./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:35:21,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:35:21,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:35:21,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:35:21,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:35:21,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:35:21,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:35:21,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:35:21,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:35:21,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:35:21,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:35:21,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:35:21,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:35:21,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:35:21,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:35:21,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:35:21,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:35:21,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:35:21,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:35:21,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:35:21,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:35:21,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:35:21,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:35:21,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:35:21,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:35:21,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:35:21,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:35:21,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:35:21,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:35:21,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:35:21,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:35:21,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:35:21,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:35:21,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:35:21,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:35:21,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:35:21,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:35:21,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:35:21,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:35:21,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:35:21,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:35:21,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-29 05:35:21,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:35:21,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:35:21,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:35:21,189 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:35:21,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:35:21,190 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:35:21,191 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:35:21,191 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:35:21,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:35:21,191 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:35:21,192 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:35:21,192 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:35:21,192 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:35:21,192 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:35:21,193 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:35:21,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:35:21,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:35:21,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:35:21,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:35:21,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:35:21,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:35:21,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:35:21,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:35:21,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:35:21,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:35:21,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:35:21,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:35:21,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:35:21,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:35:21,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:35:21,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:35:21,198 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:35:21,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:35:21,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:35:21,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:35:21,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:35:21,199 INFO L138 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_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a [2021-10-29 05:35:21,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:35:21,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:35:21,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:35:21,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:35:21,515 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:35:21,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-10-29 05:35:21,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data/53a48fb87/dacb51f38ab84ab8b50f81369de2955c/FLAG5250c76a2 [2021-10-29 05:35:22,524 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:35:22,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-10-29 05:35:22,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data/53a48fb87/dacb51f38ab84ab8b50f81369de2955c/FLAG5250c76a2 [2021-10-29 05:35:23,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data/53a48fb87/dacb51f38ab84ab8b50f81369de2955c [2021-10-29 05:35:23,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:35:23,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:35:23,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:35:23,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:35:23,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:35:23,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:35:23" (1/1) ... [2021-10-29 05:35:23,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166170ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:23, skipping insertion in model container [2021-10-29 05:35:23,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:35:23" (1/1) ... [2021-10-29 05:35:23,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:35:23,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:35:24,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-10-29 05:35:24,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:35:24,272 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:35:24,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16929038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:24, skipping insertion in model container [2021-10-29 05:35:24,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:35:24,273 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:35:24,277 INFO L168 Benchmark]: Toolchain (without parser) took 1190.05 ms. Allocated memory is still 125.8 MB. Free memory was 86.4 MB in the beginning and 74.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,279 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:35:24,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1187.05 ms. Allocated memory is still 125.8 MB. Free memory was 86.4 MB in the beginning and 74.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:24,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1187.05 ms. Allocated memory is still 125.8 MB. Free memory was 86.4 MB in the beginning and 74.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3446]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:35:26,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:35:26,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:35:26,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:35:26,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:35:26,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:35:26,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:35:26,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:35:26,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:35:26,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:35:26,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:35:26,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:35:26,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:35:26,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:35:26,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:35:26,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:35:26,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:35:26,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:35:26,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:35:26,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:35:26,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:35:26,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:35:26,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:35:26,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:35:26,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:35:26,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:35:26,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:35:26,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:35:26,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:35:26,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:35:26,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:35:26,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:35:26,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:35:26,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:35:26,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:35:26,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:35:26,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:35:26,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:35:26,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:35:26,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:35:26,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:35:26,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-29 05:35:27,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:35:27,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:35:27,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:35:27,017 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:35:27,017 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:35:27,017 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:35:27,017 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:35:27,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:35:27,018 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:35:27,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:35:27,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:35:27,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:35:27,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:35:27,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:35:27,022 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:35:27,022 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:35:27,022 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:35:27,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:35:27,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:35:27,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:35:27,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:35:27,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:35:27,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:35:27,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:35:27,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:35:27,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:35:27,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:35:27,025 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:35:27,026 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:35:27,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:35:27,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:35:27,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:35:27,027 INFO L138 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_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a [2021-10-29 05:35:27,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:35:27,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:35:27,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:35:27,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:35:27,543 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:35:27,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-10-29 05:35:27,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data/40a95a2c9/7e9f8bbca6ee4d5d88bdb7d70fdfe921/FLAGf937dc914 [2021-10-29 05:35:28,698 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:35:28,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-10-29 05:35:28,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data/40a95a2c9/7e9f8bbca6ee4d5d88bdb7d70fdfe921/FLAGf937dc914 [2021-10-29 05:35:29,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/data/40a95a2c9/7e9f8bbca6ee4d5d88bdb7d70fdfe921 [2021-10-29 05:35:29,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:35:29,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:35:29,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:35:29,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:35:29,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:35:29,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:35:29" (1/1) ... [2021-10-29 05:35:29,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b40643f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:29, skipping insertion in model container [2021-10-29 05:35:29,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:35:29" (1/1) ... [2021-10-29 05:35:29,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:35:29,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:35:30,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-10-29 05:35:30,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:35:30,321 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:35:30,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:35:30,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-10-29 05:35:30,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:35:30,537 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:35:30,787 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-10-29 05:35:30,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:35:30,874 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:35:30,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30 WrapperNode [2021-10-29 05:35:30,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:35:30,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:35:30,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:35:30,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:35:30,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:30,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:35:31,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:35:31,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:35:31,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:35:31,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:35:31,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:35:31,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:35:31,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:35:31,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (1/1) ... [2021-10-29 05:35:31,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:35:31,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:35:31,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:35:31,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:35:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-29 05:35:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 05:35:31,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:35:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-29 05:35:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:35:31,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:35:31,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-29 05:35:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-29 05:35:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 05:35:31,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:35:31,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:35:31,646 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 05:35:40,192 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-10-29 05:35:40,192 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-10-29 05:35:40,201 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:35:40,202 INFO L299 CfgBuilder]: Removed 135 assume(true) statements. [2021-10-29 05:35:40,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:35:40 BoogieIcfgContainer [2021-10-29 05:35:40,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:35:40,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:35:40,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:35:40,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:35:40,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:35:29" (1/3) ... [2021-10-29 05:35:40,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6790d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:35:40, skipping insertion in model container [2021-10-29 05:35:40,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:35:30" (2/3) ... [2021-10-29 05:35:40,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6790d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:35:40, skipping insertion in model container [2021-10-29 05:35:40,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:35:40" (3/3) ... [2021-10-29 05:35:40,214 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-10-29 05:35:40,220 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:35:40,220 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-29 05:35:40,274 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:35:40,281 INFO L339 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:35:40,281 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-29 05:35:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 124 states have (on average 1.467741935483871) internal successors, (182), 130 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 05:35:40,306 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:40,307 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:40,307 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:35:40,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:40,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1802508012, now seen corresponding path program 1 times [2021-10-29 05:35:40,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:40,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971586539] [2021-10-29 05:35:40,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:40,331 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:40,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:40,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:40,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:35:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:40,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:35:40,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:40,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:40,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:41,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:41,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971586539] [2021-10-29 05:35:41,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971586539] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:41,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:41,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:35:41,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095602756] [2021-10-29 05:35:41,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:35:41,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:41,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:35:41,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:35:41,130 INFO L87 Difference]: Start difference. First operand has 131 states, 124 states have (on average 1.467741935483871) internal successors, (182), 130 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:41,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:41,282 INFO L93 Difference]: Finished difference Result 360 states and 509 transitions. [2021-10-29 05:35:41,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:35:41,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-29 05:35:41,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:41,304 INFO L225 Difference]: With dead ends: 360 [2021-10-29 05:35:41,304 INFO L226 Difference]: Without dead ends: 226 [2021-10-29 05:35:41,309 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:35:41,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-29 05:35:41,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 218. [2021-10-29 05:35:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 212 states have (on average 1.2877358490566038) internal successors, (273), 217 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 273 transitions. [2021-10-29 05:35:41,372 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 273 transitions. Word has length 11 [2021-10-29 05:35:41,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:41,373 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 273 transitions. [2021-10-29 05:35:41,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 273 transitions. [2021-10-29 05:35:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 05:35:41,374 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:41,375 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:41,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:35:41,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:41,592 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:35:41,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:41,592 INFO L85 PathProgramCache]: Analyzing trace with hash 43172304, now seen corresponding path program 1 times [2021-10-29 05:35:41,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:41,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869946609] [2021-10-29 05:35:41,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:41,593 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:41,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:41,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:41,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:35:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:41,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:35:41,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:42,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:42,098 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:42,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869946609] [2021-10-29 05:35:42,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869946609] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:42,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:42,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:35:42,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329777430] [2021-10-29 05:35:42,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:35:42,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:42,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:35:42,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:35:42,103 INFO L87 Difference]: Start difference. First operand 218 states and 273 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:42,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:42,205 INFO L93 Difference]: Finished difference Result 630 states and 792 transitions. [2021-10-29 05:35:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:35:42,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-29 05:35:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:42,211 INFO L225 Difference]: With dead ends: 630 [2021-10-29 05:35:42,218 INFO L226 Difference]: Without dead ends: 418 [2021-10-29 05:35:42,220 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:35:42,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-10-29 05:35:42,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 404. [2021-10-29 05:35:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 398 states have (on average 1.2814070351758795) internal successors, (510), 403 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 510 transitions. [2021-10-29 05:35:42,269 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 510 transitions. Word has length 12 [2021-10-29 05:35:42,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:42,269 INFO L470 AbstractCegarLoop]: Abstraction has 404 states and 510 transitions. [2021-10-29 05:35:42,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 510 transitions. [2021-10-29 05:35:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 05:35:42,271 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:42,271 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:42,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:42,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:42,495 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:35:42,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:42,496 INFO L85 PathProgramCache]: Analyzing trace with hash -803172382, now seen corresponding path program 1 times [2021-10-29 05:35:42,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:42,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094768776] [2021-10-29 05:35:42,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:42,497 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:42,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:42,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:42,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:35:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:42,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:35:42,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:43,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:43,188 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:43,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094768776] [2021-10-29 05:35:43,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094768776] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:43,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:43,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:35:43,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386504777] [2021-10-29 05:35:43,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:35:43,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:43,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:35:43,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:35:43,192 INFO L87 Difference]: Start difference. First operand 404 states and 510 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:43,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:43,293 INFO L93 Difference]: Finished difference Result 802 states and 1013 transitions. [2021-10-29 05:35:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:35:43,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-29 05:35:43,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:43,297 INFO L225 Difference]: With dead ends: 802 [2021-10-29 05:35:43,298 INFO L226 Difference]: Without dead ends: 404 [2021-10-29 05:35:43,301 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:35:43,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2021-10-29 05:35:43,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2021-10-29 05:35:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 398 states have (on average 1.278894472361809) internal successors, (509), 403 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 509 transitions. [2021-10-29 05:35:43,337 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 509 transitions. Word has length 28 [2021-10-29 05:35:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:43,337 INFO L470 AbstractCegarLoop]: Abstraction has 404 states and 509 transitions. [2021-10-29 05:35:43,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 509 transitions. [2021-10-29 05:35:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 05:35:43,339 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:43,340 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:43,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:43,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:43,555 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:35:43,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:43,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1686356580, now seen corresponding path program 1 times [2021-10-29 05:35:43,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:43,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747327411] [2021-10-29 05:35:43,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:43,557 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:43,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:43,559 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:43,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:35:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:43,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:35:43,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:44,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:44,220 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:44,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747327411] [2021-10-29 05:35:44,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747327411] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:44,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:44,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:35:44,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484051522] [2021-10-29 05:35:44,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:35:44,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:44,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:35:44,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:35:44,223 INFO L87 Difference]: Start difference. First operand 404 states and 509 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:44,341 INFO L93 Difference]: Finished difference Result 871 states and 1127 transitions. [2021-10-29 05:35:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:35:44,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-29 05:35:44,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:44,345 INFO L225 Difference]: With dead ends: 871 [2021-10-29 05:35:44,345 INFO L226 Difference]: Without dead ends: 475 [2021-10-29 05:35:44,347 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:35:44,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2021-10-29 05:35:44,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2021-10-29 05:35:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 469 states have (on average 1.300639658848614) internal successors, (610), 474 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 610 transitions. [2021-10-29 05:35:44,382 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 610 transitions. Word has length 28 [2021-10-29 05:35:44,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:44,382 INFO L470 AbstractCegarLoop]: Abstraction has 475 states and 610 transitions. [2021-10-29 05:35:44,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 610 transitions. [2021-10-29 05:35:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 05:35:44,388 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:35:44,388 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:35:44,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:44,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:44,613 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:35:44,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:35:44,614 INFO L85 PathProgramCache]: Analyzing trace with hash 649471551, now seen corresponding path program 1 times [2021-10-29 05:35:44,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:35:44,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247845944] [2021-10-29 05:35:44,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:35:44,615 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:35:44,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:35:44,620 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:35:44,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:35:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:35:45,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 05:35:45,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:35:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:45,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:45,784 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:45,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247845944] [2021-10-29 05:35:45,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247845944] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:45,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:45,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-10-29 05:35:45,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673875547] [2021-10-29 05:35:45,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 05:35:45,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:45,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 05:35:45,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:35:45,787 INFO L87 Difference]: Start difference. First operand 475 states and 610 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:00,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:00,997 INFO L93 Difference]: Finished difference Result 2911 states and 3712 transitions. [2021-10-29 05:36:00,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:36:00,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-29 05:36:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:01,015 INFO L225 Difference]: With dead ends: 2911 [2021-10-29 05:36:01,016 INFO L226 Difference]: Without dead ends: 2445 [2021-10-29 05:36:01,018 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:36:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2021-10-29 05:36:01,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 519. [2021-10-29 05:36:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 513 states have (on average 1.2826510721247564) internal successors, (658), 518 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 658 transitions. [2021-10-29 05:36:01,119 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 658 transitions. Word has length 46 [2021-10-29 05:36:01,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:01,120 INFO L470 AbstractCegarLoop]: Abstraction has 519 states and 658 transitions. [2021-10-29 05:36:01,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:01,121 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 658 transitions. [2021-10-29 05:36:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 05:36:01,130 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:01,130 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:01,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-29 05:36:01,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:01,351 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:01,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:01,352 INFO L85 PathProgramCache]: Analyzing trace with hash 672103805, now seen corresponding path program 1 times [2021-10-29 05:36:01,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:01,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240372466] [2021-10-29 05:36:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:01,353 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:01,358 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:01,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:36:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:01,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:36:01,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:02,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:02,324 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:02,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240372466] [2021-10-29 05:36:02,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240372466] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:02,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:02,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:36:02,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14713838] [2021-10-29 05:36:02,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:36:02,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:02,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:36:02,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:36:02,327 INFO L87 Difference]: Start difference. First operand 519 states and 658 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:03,156 INFO L93 Difference]: Finished difference Result 2758 states and 3485 transitions. [2021-10-29 05:36:03,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:36:03,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-29 05:36:03,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:03,174 INFO L225 Difference]: With dead ends: 2758 [2021-10-29 05:36:03,175 INFO L226 Difference]: Without dead ends: 2491 [2021-10-29 05:36:03,176 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:36:03,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2021-10-29 05:36:03,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 531. [2021-10-29 05:36:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 525 states have (on average 1.276190476190476) internal successors, (670), 530 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 670 transitions. [2021-10-29 05:36:03,302 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 670 transitions. Word has length 46 [2021-10-29 05:36:03,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:03,304 INFO L470 AbstractCegarLoop]: Abstraction has 531 states and 670 transitions. [2021-10-29 05:36:03,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 670 transitions. [2021-10-29 05:36:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 05:36:03,306 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:03,306 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:03,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:03,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:03,527 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:03,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:03,527 INFO L85 PathProgramCache]: Analyzing trace with hash -607759873, now seen corresponding path program 1 times [2021-10-29 05:36:03,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:03,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639611021] [2021-10-29 05:36:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:03,528 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:03,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:03,529 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:03,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:36:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:04,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:36:04,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:04,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:04,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:04,454 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:04,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639611021] [2021-10-29 05:36:04,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639611021] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:04,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:04,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-10-29 05:36:04,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183826598] [2021-10-29 05:36:04,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 05:36:04,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:04,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 05:36:04,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:36:04,456 INFO L87 Difference]: Start difference. First operand 531 states and 670 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:05,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:05,629 INFO L93 Difference]: Finished difference Result 2863 states and 3616 transitions. [2021-10-29 05:36:05,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 05:36:05,630 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-10-29 05:36:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:05,645 INFO L225 Difference]: With dead ends: 2863 [2021-10-29 05:36:05,645 INFO L226 Difference]: Without dead ends: 2341 [2021-10-29 05:36:05,647 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:36:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2341 states. [2021-10-29 05:36:05,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2341 to 529. [2021-10-29 05:36:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 523 states have (on average 1.2695984703632888) internal successors, (664), 528 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 664 transitions. [2021-10-29 05:36:05,786 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 664 transitions. Word has length 46 [2021-10-29 05:36:05,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:05,787 INFO L470 AbstractCegarLoop]: Abstraction has 529 states and 664 transitions. [2021-10-29 05:36:05,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 664 transitions. [2021-10-29 05:36:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 05:36:05,792 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:05,793 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:05,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:06,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:06,018 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:06,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:06,018 INFO L85 PathProgramCache]: Analyzing trace with hash -215153472, now seen corresponding path program 1 times [2021-10-29 05:36:06,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:06,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120868445] [2021-10-29 05:36:06,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:06,020 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:06,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:06,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:06,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:36:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:06,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:36:06,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:06,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:07,057 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:07,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120868445] [2021-10-29 05:36:07,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120868445] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:07,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:07,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:36:07,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791107633] [2021-10-29 05:36:07,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:36:07,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:07,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:36:07,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:36:07,060 INFO L87 Difference]: Start difference. First operand 529 states and 664 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:07,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:07,268 INFO L93 Difference]: Finished difference Result 1126 states and 1416 transitions. [2021-10-29 05:36:07,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:36:07,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-29 05:36:07,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:07,274 INFO L225 Difference]: With dead ends: 1126 [2021-10-29 05:36:07,274 INFO L226 Difference]: Without dead ends: 606 [2021-10-29 05:36:07,275 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:36:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2021-10-29 05:36:07,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 367. [2021-10-29 05:36:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 361 states have (on average 1.257617728531856) internal successors, (454), 366 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 454 transitions. [2021-10-29 05:36:07,355 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 454 transitions. Word has length 51 [2021-10-29 05:36:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:07,355 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 454 transitions. [2021-10-29 05:36:07,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 454 transitions. [2021-10-29 05:36:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 05:36:07,356 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:07,357 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:07,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:07,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:07,577 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1673817472, now seen corresponding path program 1 times [2021-10-29 05:36:07,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:07,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059422505] [2021-10-29 05:36:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:07,579 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:07,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:07,580 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:07,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:36:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:08,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:36:08,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:08,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:08,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:08,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:08,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059422505] [2021-10-29 05:36:08,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059422505] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:08,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:08,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:36:08,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516068827] [2021-10-29 05:36:08,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:36:08,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:08,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:36:08,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:36:08,642 INFO L87 Difference]: Start difference. First operand 367 states and 454 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:09,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:09,396 INFO L93 Difference]: Finished difference Result 1650 states and 2045 transitions. [2021-10-29 05:36:09,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:36:09,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-29 05:36:09,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:09,405 INFO L225 Difference]: With dead ends: 1650 [2021-10-29 05:36:09,406 INFO L226 Difference]: Without dead ends: 1504 [2021-10-29 05:36:09,407 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:36:09,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2021-10-29 05:36:09,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 373. [2021-10-29 05:36:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 367 states have (on average 1.2534059945504088) internal successors, (460), 372 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 460 transitions. [2021-10-29 05:36:09,492 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 460 transitions. Word has length 51 [2021-10-29 05:36:09,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:09,493 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 460 transitions. [2021-10-29 05:36:09,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 460 transitions. [2021-10-29 05:36:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 05:36:09,494 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:09,494 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:09,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-10-29 05:36:09,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:09,715 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:09,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:09,716 INFO L85 PathProgramCache]: Analyzing trace with hash 993759102, now seen corresponding path program 1 times [2021-10-29 05:36:09,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:09,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056210369] [2021-10-29 05:36:09,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:09,716 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:09,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:09,718 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:09,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:36:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:10,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:36:10,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:10,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:10,988 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:10,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056210369] [2021-10-29 05:36:10,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056210369] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:10,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:10,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 05:36:10,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705622273] [2021-10-29 05:36:10,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:36:10,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:10,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:36:10,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:36:10,991 INFO L87 Difference]: Start difference. First operand 373 states and 460 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:12,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:12,280 INFO L93 Difference]: Finished difference Result 1859 states and 2319 transitions. [2021-10-29 05:36:12,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:36:12,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-29 05:36:12,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:12,291 INFO L225 Difference]: With dead ends: 1859 [2021-10-29 05:36:12,292 INFO L226 Difference]: Without dead ends: 1572 [2021-10-29 05:36:12,293 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:36:12,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2021-10-29 05:36:12,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1398. [2021-10-29 05:36:12,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1392 states have (on average 1.2665229885057472) internal successors, (1763), 1397 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1763 transitions. [2021-10-29 05:36:12,668 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1763 transitions. Word has length 51 [2021-10-29 05:36:12,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:12,670 INFO L470 AbstractCegarLoop]: Abstraction has 1398 states and 1763 transitions. [2021-10-29 05:36:12,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:12,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1763 transitions. [2021-10-29 05:36:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 05:36:12,671 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:12,671 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:12,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:12,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:12,894 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:12,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:12,894 INFO L85 PathProgramCache]: Analyzing trace with hash -93822525, now seen corresponding path program 1 times [2021-10-29 05:36:12,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:12,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515205396] [2021-10-29 05:36:12,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:12,896 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:12,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:12,897 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:12,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:36:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:13,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:36:13,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:13,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:14,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:14,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515205396] [2021-10-29 05:36:14,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515205396] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:14,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:14,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:36:14,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448364907] [2021-10-29 05:36:14,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:36:14,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:14,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:36:14,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:36:14,016 INFO L87 Difference]: Start difference. First operand 1398 states and 1763 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:15,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:15,078 INFO L93 Difference]: Finished difference Result 2817 states and 3516 transitions. [2021-10-29 05:36:15,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:36:15,078 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-29 05:36:15,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:15,086 INFO L225 Difference]: With dead ends: 2817 [2021-10-29 05:36:15,087 INFO L226 Difference]: Without dead ends: 1396 [2021-10-29 05:36:15,090 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-29 05:36:15,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2021-10-29 05:36:15,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 935. [2021-10-29 05:36:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 929 states have (on average 1.270182992465016) internal successors, (1180), 934 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1180 transitions. [2021-10-29 05:36:15,303 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1180 transitions. Word has length 52 [2021-10-29 05:36:15,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:15,304 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1180 transitions. [2021-10-29 05:36:15,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1180 transitions. [2021-10-29 05:36:15,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 05:36:15,305 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:15,305 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:15,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:15,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:15,526 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:15,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:15,527 INFO L85 PathProgramCache]: Analyzing trace with hash -45357949, now seen corresponding path program 1 times [2021-10-29 05:36:15,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:15,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577342188] [2021-10-29 05:36:15,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:15,528 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:15,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:15,529 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:15,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 05:36:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:16,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:36:16,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:16,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:16,642 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:16,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577342188] [2021-10-29 05:36:16,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1577342188] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:16,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:16,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-10-29 05:36:16,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835372694] [2021-10-29 05:36:16,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 05:36:16,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:16,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 05:36:16,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:36:16,644 INFO L87 Difference]: Start difference. First operand 935 states and 1180 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:17,596 INFO L93 Difference]: Finished difference Result 2849 states and 3543 transitions. [2021-10-29 05:36:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 05:36:17,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 05:36:17,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:17,616 INFO L225 Difference]: With dead ends: 2849 [2021-10-29 05:36:17,616 INFO L226 Difference]: Without dead ends: 1923 [2021-10-29 05:36:17,618 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:36:17,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2021-10-29 05:36:17,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 931. [2021-10-29 05:36:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 925 states have (on average 1.2627027027027027) internal successors, (1168), 930 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1168 transitions. [2021-10-29 05:36:17,863 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1168 transitions. Word has length 58 [2021-10-29 05:36:17,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:17,863 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1168 transitions. [2021-10-29 05:36:17,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1168 transitions. [2021-10-29 05:36:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 05:36:17,865 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:17,865 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:17,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:18,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:18,088 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:18,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:18,089 INFO L85 PathProgramCache]: Analyzing trace with hash 999898713, now seen corresponding path program 1 times [2021-10-29 05:36:18,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:18,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624343867] [2021-10-29 05:36:18,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:18,090 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:18,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:18,091 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:18,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 05:36:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:18,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:36:18,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:18,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:19,129 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:19,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624343867] [2021-10-29 05:36:19,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624343867] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:19,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:19,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:36:19,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676691095] [2021-10-29 05:36:19,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:36:19,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:19,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:36:19,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:36:19,132 INFO L87 Difference]: Start difference. First operand 931 states and 1168 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:19,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:19,523 INFO L93 Difference]: Finished difference Result 2296 states and 2892 transitions. [2021-10-29 05:36:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:36:19,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-10-29 05:36:19,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:19,533 INFO L225 Difference]: With dead ends: 2296 [2021-10-29 05:36:19,533 INFO L226 Difference]: Without dead ends: 1611 [2021-10-29 05:36:19,535 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:36:19,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2021-10-29 05:36:19,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 856. [2021-10-29 05:36:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 850 states have (on average 1.248235294117647) internal successors, (1061), 855 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1061 transitions. [2021-10-29 05:36:19,726 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1061 transitions. Word has length 59 [2021-10-29 05:36:19,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:19,727 INFO L470 AbstractCegarLoop]: Abstraction has 856 states and 1061 transitions. [2021-10-29 05:36:19,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:19,727 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1061 transitions. [2021-10-29 05:36:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 05:36:19,728 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:19,728 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:19,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:19,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:19,939 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:19,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:19,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1960369742, now seen corresponding path program 1 times [2021-10-29 05:36:19,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:19,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750234672] [2021-10-29 05:36:19,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:19,940 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:19,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:19,941 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:19,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 05:36:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:20,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:36:20,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:21,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:21,287 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:21,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750234672] [2021-10-29 05:36:21,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750234672] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:21,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:21,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:36:21,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212107339] [2021-10-29 05:36:21,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:36:21,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:21,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:36:21,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:36:21,289 INFO L87 Difference]: Start difference. First operand 856 states and 1061 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:21,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:21,478 INFO L93 Difference]: Finished difference Result 1395 states and 1710 transitions. [2021-10-29 05:36:21,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:36:21,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-10-29 05:36:21,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:21,483 INFO L225 Difference]: With dead ends: 1395 [2021-10-29 05:36:21,483 INFO L226 Difference]: Without dead ends: 543 [2021-10-29 05:36:21,485 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:36:21,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2021-10-29 05:36:21,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 498. [2021-10-29 05:36:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 492 states have (on average 1.2276422764227641) internal successors, (604), 497 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 604 transitions. [2021-10-29 05:36:21,616 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 604 transitions. Word has length 67 [2021-10-29 05:36:21,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:21,616 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 604 transitions. [2021-10-29 05:36:21,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 604 transitions. [2021-10-29 05:36:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 05:36:21,617 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:21,617 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:21,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:21,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:21,831 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:21,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:21,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1965673074, now seen corresponding path program 1 times [2021-10-29 05:36:21,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:21,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132108674] [2021-10-29 05:36:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:21,833 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:21,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:21,834 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:21,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-29 05:36:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:22,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:36:22,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:23,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:23,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:23,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:23,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132108674] [2021-10-29 05:36:23,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132108674] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:23,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:23,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 05:36:23,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170689214] [2021-10-29 05:36:23,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:36:23,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:23,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:36:23,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:36:23,703 INFO L87 Difference]: Start difference. First operand 498 states and 604 transitions. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:24,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:24,524 INFO L93 Difference]: Finished difference Result 1667 states and 1996 transitions. [2021-10-29 05:36:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:36:24,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-10-29 05:36:24,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:24,533 INFO L225 Difference]: With dead ends: 1667 [2021-10-29 05:36:24,533 INFO L226 Difference]: Without dead ends: 1619 [2021-10-29 05:36:24,534 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:36:24,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2021-10-29 05:36:24,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1158. [2021-10-29 05:36:24,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1152 states have (on average 1.2526041666666667) internal successors, (1443), 1157 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1443 transitions. [2021-10-29 05:36:24,756 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1443 transitions. Word has length 67 [2021-10-29 05:36:24,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:24,757 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 1443 transitions. [2021-10-29 05:36:24,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1443 transitions. [2021-10-29 05:36:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 05:36:24,757 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:24,758 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:24,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:24,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:24,958 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:24,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:24,959 INFO L85 PathProgramCache]: Analyzing trace with hash 495831049, now seen corresponding path program 1 times [2021-10-29 05:36:24,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:24,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803077560] [2021-10-29 05:36:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:24,960 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:24,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:24,962 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:24,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-29 05:36:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:26,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:36:26,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:26,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:26,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:26,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803077560] [2021-10-29 05:36:26,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803077560] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:26,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:26,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:36:26,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744200393] [2021-10-29 05:36:26,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:36:26,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:36:26,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:36:26,363 INFO L87 Difference]: Start difference. First operand 1158 states and 1443 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:26,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:26,663 INFO L93 Difference]: Finished difference Result 1184 states and 1469 transitions. [2021-10-29 05:36:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:36:26,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-29 05:36:26,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:26,668 INFO L225 Difference]: With dead ends: 1184 [2021-10-29 05:36:26,669 INFO L226 Difference]: Without dead ends: 1175 [2021-10-29 05:36:26,669 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:36:26,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-10-29 05:36:26,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1158. [2021-10-29 05:36:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1152 states have (on average 1.2439236111111112) internal successors, (1433), 1157 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1433 transitions. [2021-10-29 05:36:26,866 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1433 transitions. Word has length 68 [2021-10-29 05:36:26,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:26,867 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 1433 transitions. [2021-10-29 05:36:26,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1433 transitions. [2021-10-29 05:36:26,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-29 05:36:26,867 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:26,867 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:26,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:27,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:27,068 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:27,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:27,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1259237824, now seen corresponding path program 1 times [2021-10-29 05:36:27,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:27,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282460181] [2021-10-29 05:36:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:27,070 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:27,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:27,071 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:27,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-29 05:36:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:28,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:36:28,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:28,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:28,900 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:28,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282460181] [2021-10-29 05:36:28,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282460181] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:28,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:28,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:36:28,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146015702] [2021-10-29 05:36:28,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:36:28,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:28,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:36:28,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:36:28,903 INFO L87 Difference]: Start difference. First operand 1158 states and 1433 transitions. Second operand has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:29,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:29,033 INFO L93 Difference]: Finished difference Result 1201 states and 1474 transitions. [2021-10-29 05:36:29,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:36:29,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-29 05:36:29,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:29,036 INFO L225 Difference]: With dead ends: 1201 [2021-10-29 05:36:29,036 INFO L226 Difference]: Without dead ends: 416 [2021-10-29 05:36:29,037 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:36:29,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-10-29 05:36:29,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2021-10-29 05:36:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 413 states have (on average 1.171912832929782) internal successors, (484), 415 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 484 transitions. [2021-10-29 05:36:29,104 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 484 transitions. Word has length 72 [2021-10-29 05:36:29,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:29,105 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 484 transitions. [2021-10-29 05:36:29,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 484 transitions. [2021-10-29 05:36:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 05:36:29,105 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:36:29,105 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:29,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:29,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:29,306 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-10-29 05:36:29,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:36:29,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1340649389, now seen corresponding path program 1 times [2021-10-29 05:36:29,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:36:29,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110198414] [2021-10-29 05:36:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:36:29,308 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:36:29,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:36:29,308 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:36:29,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-29 05:36:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:36:30,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:36:30,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:36:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:30,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:36:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:36:30,872 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:36:30,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110198414] [2021-10-29 05:36:30,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110198414] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:36:30,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:36:30,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:36:30,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917780736] [2021-10-29 05:36:30,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:36:30,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:36:30,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:36:30,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:36:30,876 INFO L87 Difference]: Start difference. First operand 416 states and 484 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:36:30,930 INFO L93 Difference]: Finished difference Result 492 states and 571 transitions. [2021-10-29 05:36:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:36:30,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-10-29 05:36:30,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:36:30,932 INFO L225 Difference]: With dead ends: 492 [2021-10-29 05:36:30,932 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:36:30,933 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:36:30,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:36:30,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:36:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:36:30,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2021-10-29 05:36:30,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:36:30,933 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:36:30,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:36:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:36:30,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:36:30,936 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:36:30,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:36:30,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:36:30,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:36:30,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:36:30,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:36:30,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-29 05:36:31,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:36:31,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:36:31,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:31,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:31,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:31,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:32,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:33,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:34,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:35,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:36,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:36,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:36,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:36,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:36,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:36,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:36:50,496 INFO L853 garLoopResultBuilder]: At program point L4032(lines 3979 4033) the Hoare annotation is: (and (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,496 INFO L857 garLoopResultBuilder]: For program point L4098-1(lines 4097 4116) no Hoare annotation was computed. [2021-10-29 05:36:50,496 INFO L853 garLoopResultBuilder]: At program point L3867(lines 3793 3873) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,497 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,497 INFO L853 garLoopResultBuilder]: At program point L3471(lines 3465 3473) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,497 INFO L853 garLoopResultBuilder]: At program point L4264-1(lines 1 4266) the Hoare annotation is: (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (not (= (_ bv0 64) (bvadd ULTIMATE.start_usb_free_urb_~urb.offset ULTIMATE.start_usb_free_urb_~urb.base))) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,497 INFO L857 garLoopResultBuilder]: For program point L4264(lines 4264 4266) no Hoare annotation was computed. [2021-10-29 05:36:50,497 INFO L857 garLoopResultBuilder]: For program point L4099-1(lines 4097 4116) no Hoare annotation was computed. [2021-10-29 05:36:50,498 INFO L857 garLoopResultBuilder]: For program point L4099(lines 4097 4116) no Hoare annotation was computed. [2021-10-29 05:36:50,498 INFO L857 garLoopResultBuilder]: For program point L3802(lines 3802 3808) no Hoare annotation was computed. [2021-10-29 05:36:50,498 INFO L853 garLoopResultBuilder]: At program point L3439-1(lines 3433 3441) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-10-29 05:36:50,498 INFO L853 garLoopResultBuilder]: At program point L3439(lines 3433 3441) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,498 INFO L853 garLoopResultBuilder]: At program point L4233(lines 4008 4011) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)))) (or (and .cse0 (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) .cse1 .cse2) (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv0 32)) (not .cse1) .cse2 (not .cse0) (= ~ldv_urb_state~0 (_ bv0 32))))) [2021-10-29 05:36:50,498 INFO L857 garLoopResultBuilder]: For program point L4135(lines 4135 4138) no Hoare annotation was computed. [2021-10-29 05:36:50,498 INFO L857 garLoopResultBuilder]: For program point L3805(lines 3805 3808) no Hoare annotation was computed. [2021-10-29 05:36:50,499 INFO L853 garLoopResultBuilder]: At program point L3872(lines 3782 3874) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)))) (or (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv0 32)) (not .cse0) .cse1 (= ~ldv_urb_state~0 (_ bv0 32))) (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) .cse0 .cse1))) [2021-10-29 05:36:50,499 INFO L853 garLoopResultBuilder]: At program point L3509(lines 3506 3511) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,499 INFO L857 garLoopResultBuilder]: For program point L4203(line 4203) no Hoare annotation was computed. [2021-10-29 05:36:50,499 INFO L853 garLoopResultBuilder]: At program point L4236(lines 4235 4237) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,499 INFO L857 garLoopResultBuilder]: For program point L4203-4(line 4203) no Hoare annotation was computed. [2021-10-29 05:36:50,499 INFO L857 garLoopResultBuilder]: For program point L4203-2(line 4203) no Hoare annotation was computed. [2021-10-29 05:36:50,499 INFO L857 garLoopResultBuilder]: For program point L4203-8(line 4203) no Hoare annotation was computed. [2021-10-29 05:36:50,499 INFO L857 garLoopResultBuilder]: For program point L4203-6(line 4203) no Hoare annotation was computed. [2021-10-29 05:36:50,499 INFO L853 garLoopResultBuilder]: At program point L3576(lines 3569 3578) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,500 INFO L853 garLoopResultBuilder]: At program point L3411-1(lines 3405 3413) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-10-29 05:36:50,500 INFO L853 garLoopResultBuilder]: At program point L3411(lines 3405 3413) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (= (_ bv0 64) |ULTIMATE.start_kzalloc_#res.offset|) (= (_ bv0 64) |ULTIMATE.start_kmalloc_#res.base|) .cse0 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.base|) (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) (= |ULTIMATE.start_kzalloc_#res.base| (_ bv0 64)) .cse1 (= (_ bv0 64) |ULTIMATE.start_kmalloc_#res.offset|) .cse2 .cse3 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.offset|) .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-10-29 05:36:50,500 INFO L853 garLoopResultBuilder]: At program point L4204-1(lines 4201 4205) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-10-29 05:36:50,500 INFO L853 garLoopResultBuilder]: At program point L4204-2(lines 4201 4205) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 .cse2 .cse3 .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-10-29 05:36:50,500 INFO L853 garLoopResultBuilder]: At program point L4204(lines 4201 4205) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 .cse2 .cse3 .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-10-29 05:36:50,500 INFO L853 garLoopResultBuilder]: At program point L4072loopEntry(lines 4072 4085) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,501 INFO L853 garLoopResultBuilder]: At program point L4204-3(lines 4201 4205) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 .cse2 .cse3 .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-10-29 05:36:50,501 INFO L853 garLoopResultBuilder]: At program point L4204-4(lines 4201 4205) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-10-29 05:36:50,501 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,501 INFO L857 garLoopResultBuilder]: For program point L4106(lines 4106 4111) no Hoare annotation was computed. [2021-10-29 05:36:50,501 INFO L857 garLoopResultBuilder]: For program point L4106-2(lines 4106 4111) no Hoare annotation was computed. [2021-10-29 05:36:50,501 INFO L857 garLoopResultBuilder]: For program point L4073(line 4073) no Hoare annotation was computed. [2021-10-29 05:36:50,501 INFO L857 garLoopResultBuilder]: For program point L3974(lines 3974 3977) no Hoare annotation was computed. [2021-10-29 05:36:50,502 INFO L853 garLoopResultBuilder]: At program point L3446(lines 3442 3448) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,502 INFO L853 garLoopResultBuilder]: At program point L4239(lines 4238 4240) the Hoare annotation is: (let ((.cse1 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse2 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) (.cse0 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse5 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (not .cse0) .cse1 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse2 (not .cse3) .cse4 .cse5) (and .cse1 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse2 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.offset|) .cse4 .cse3 .cse0 .cse5))) [2021-10-29 05:36:50,502 INFO L853 garLoopResultBuilder]: At program point L4239-1(lines 4238 4240) the Hoare annotation is: (let ((.cse1 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse2 (= ~ldv_coherent_state~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) (.cse0 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse5 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (not .cse0) .cse1 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse2 (not .cse3) .cse4 .cse5) (and .cse1 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.offset|) .cse2 .cse4 .cse3 .cse0 .cse5))) [2021-10-29 05:36:50,502 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,502 INFO L853 garLoopResultBuilder]: At program point L3513(lines 3512 3514) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-10-29 05:36:50,503 INFO L853 garLoopResultBuilder]: At program point L4207(lines 4206 4208) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.base|) (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 .cse2 .cse3 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.offset|) .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-10-29 05:36:50,503 INFO L853 garLoopResultBuilder]: At program point L4207-1(lines 4206 4208) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-10-29 05:36:50,503 INFO L853 garLoopResultBuilder]: At program point L4174(lines 4150 4179) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,503 INFO L853 garLoopResultBuilder]: At program point L4174-1(lines 4150 4179) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (not (= (_ bv0 64) (bvadd ULTIMATE.start_usb_free_urb_~urb.offset ULTIMATE.start_usb_free_urb_~urb.base))) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,504 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,504 INFO L853 garLoopResultBuilder]: At program point L4043(lines 3961 4045) the Hoare annotation is: (= ~ldv_urb_state~0 (_ bv0 32)) [2021-10-29 05:36:50,504 INFO L857 garLoopResultBuilder]: For program point L4143(lines 4128 4144) no Hoare annotation was computed. [2021-10-29 05:36:50,504 INFO L857 garLoopResultBuilder]: For program point L3813(lines 3813 3816) no Hoare annotation was computed. [2021-10-29 05:36:50,505 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,505 INFO L853 garLoopResultBuilder]: At program point L4210(lines 4209 4211) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-10-29 05:36:50,505 INFO L857 garLoopResultBuilder]: For program point L4078(lines 4078 4081) no Hoare annotation was computed. [2021-10-29 05:36:50,505 INFO L857 garLoopResultBuilder]: For program point L4046(lines 1 4266) no Hoare annotation was computed. [2021-10-29 05:36:50,505 INFO L857 garLoopResultBuilder]: For program point L4046-2(lines 1 4266) no Hoare annotation was computed. [2021-10-29 05:36:50,506 INFO L857 garLoopResultBuilder]: For program point L4046-1(lines 1 4266) no Hoare annotation was computed. [2021-10-29 05:36:50,506 INFO L857 garLoopResultBuilder]: For program point L4046-4(lines 4190 4195) no Hoare annotation was computed. [2021-10-29 05:36:50,506 INFO L857 garLoopResultBuilder]: For program point L4046-3(lines 1 4266) no Hoare annotation was computed. [2021-10-29 05:36:50,506 INFO L853 garLoopResultBuilder]: At program point L4046-5(lines 4181 4198) the Hoare annotation is: (= ~ldv_urb_state~0 (_ bv0 32)) [2021-10-29 05:36:50,506 INFO L853 garLoopResultBuilder]: At program point L4146(lines 4124 4148) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse2 (= ~ldv_coherent_state~0 (_ bv1 32))) (.cse5 (= (_ bv0 64) |ULTIMATE.start_usb_alloc_urb_#res.offset|)) (.cse4 (= (_ bv0 64) |ULTIMATE.start_usb_alloc_urb_#res.base|)) (.cse1 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.base)) (.cse3 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse6 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (not (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (not .cse1) .cse2 (not (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) .cse3 (not .cse4)) (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) .cse0 .cse2 .cse5 .cse4 .cse3 .cse6) (and .cse0 .cse2 .cse5 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.offset) .cse4 .cse1 .cse3 .cse6))) [2021-10-29 05:36:50,507 INFO L857 garLoopResultBuilder]: For program point L3981(line 3981) no Hoare annotation was computed. [2021-10-29 05:36:50,507 INFO L857 garLoopResultBuilder]: For program point L3915(lines 3915 3918) no Hoare annotation was computed. [2021-10-29 05:36:50,507 INFO L857 garLoopResultBuilder]: For program point L3487(lines 3487 3494) no Hoare annotation was computed. [2021-10-29 05:36:50,507 INFO L853 garLoopResultBuilder]: At program point L4247(lines 4246 4248) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,507 INFO L853 garLoopResultBuilder]: At program point L4214(lines 4213 4215) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,508 INFO L853 garLoopResultBuilder]: At program point L4214-1(lines 4213 4215) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,508 INFO L853 garLoopResultBuilder]: At program point L4214-2(lines 4213 4215) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-10-29 05:36:50,508 INFO L857 garLoopResultBuilder]: For program point L4049-1(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,508 INFO L857 garLoopResultBuilder]: For program point L4049(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,509 INFO L857 garLoopResultBuilder]: For program point L4049-3(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,509 INFO L857 garLoopResultBuilder]: For program point L4049-2(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,509 INFO L857 garLoopResultBuilder]: For program point L4049-5(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,509 INFO L857 garLoopResultBuilder]: For program point L4049-4(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,509 INFO L857 garLoopResultBuilder]: For program point L3851(lines 3851 3854) no Hoare annotation was computed. [2021-10-29 05:36:50,509 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:36:50,510 INFO L853 garLoopResultBuilder]: At program point L3852(lines 3793 3873) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,510 INFO L857 garLoopResultBuilder]: For program point L3456(lines 3456 3460) no Hoare annotation was computed. [2021-10-29 05:36:50,510 INFO L857 garLoopResultBuilder]: For program point L3456-2(lines 3456 3460) no Hoare annotation was computed. [2021-10-29 05:36:50,510 INFO L853 garLoopResultBuilder]: At program point L4117-1(lines 4093 4122) the Hoare annotation is: (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (not (= (_ bv0 64) (bvadd ULTIMATE.start_usb_free_urb_~urb.offset ULTIMATE.start_usb_free_urb_~urb.base))) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,511 INFO L853 garLoopResultBuilder]: At program point L4117(lines 4093 4122) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32)))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.offset) (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.base) .cse2 .cse3) (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) .cse0 .cse1 .cse2 .cse3))) [2021-10-29 05:36:50,511 INFO L857 garLoopResultBuilder]: For program point L3985(lines 3985 3990) no Hoare annotation was computed. [2021-10-29 05:36:50,511 INFO L857 garLoopResultBuilder]: For program point L3820(lines 3820 3823) no Hoare annotation was computed. [2021-10-29 05:36:50,511 INFO L857 garLoopResultBuilder]: For program point L3490(lines 3490 3494) no Hoare annotation was computed. [2021-10-29 05:36:50,511 INFO L857 garLoopResultBuilder]: For program point L3490-2(lines 3487 3494) no Hoare annotation was computed. [2021-10-29 05:36:50,512 INFO L853 garLoopResultBuilder]: At program point L4250(lines 4184 4189) the Hoare annotation is: (and (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,512 INFO L857 garLoopResultBuilder]: For program point L4086(lines 4071 4087) no Hoare annotation was computed. [2021-10-29 05:36:50,512 INFO L857 garLoopResultBuilder]: For program point L3987-1(lines 3985 3990) no Hoare annotation was computed. [2021-10-29 05:36:50,512 INFO L857 garLoopResultBuilder]: For program point L3987(lines 3987 3990) no Hoare annotation was computed. [2021-10-29 05:36:50,512 INFO L853 garLoopResultBuilder]: At program point L3922(lines 3911 3924) the Hoare annotation is: (let ((.cse0 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse1 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse0 .cse1) (and (not (= ULTIMATE.start_kbtab_init_~retval~1 (_ bv0 32))) .cse0 .cse1))) [2021-10-29 05:36:50,513 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:36:50,513 INFO L853 garLoopResultBuilder]: At program point L4154loopEntry(lines 4154 4173) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,513 INFO L853 garLoopResultBuilder]: At program point L4220(lines 4219 4221) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,513 INFO L853 garLoopResultBuilder]: At program point L4154-2loopEntry(lines 4154 4173) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-10-29 05:36:50,513 INFO L853 garLoopResultBuilder]: At program point L3923(lines 3909 3925) the Hoare annotation is: (let ((.cse0 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse1 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse0 .cse1) (and (not (= ULTIMATE.start_kbtab_init_~retval~1 (_ bv0 32))) .cse0 (not (= (_ bv0 32) |ULTIMATE.start_kbtab_init_#res|)) .cse1))) [2021-10-29 05:36:50,514 INFO L853 garLoopResultBuilder]: At program point L3428(lines 3422 3430) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-10-29 05:36:50,514 INFO L853 garLoopResultBuilder]: At program point L3461(lines 3449 3463) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,514 INFO L857 garLoopResultBuilder]: For program point L4155-1(lines 4154 4173) no Hoare annotation was computed. [2021-10-29 05:36:50,514 INFO L857 garLoopResultBuilder]: For program point L4155(lines 4154 4173) no Hoare annotation was computed. [2021-10-29 05:36:50,515 INFO L853 garLoopResultBuilder]: At program point L4089(lines 4066 4091) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64))) (.cse2 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.offset|)) (.cse5 (= |ULTIMATE.start_usb_alloc_coherent_#res.offset| (_ bv0 64))) (.cse8 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse7 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) (.cse6 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse10 (= (_ bv0 64) ULTIMATE.start_usb_alloc_coherent_~arbitrary_memory~0.base)) (.cse9 (= ~ldv_urb_state~0 (_ bv0 32))) (.cse4 (= (_ bv0 64) |ULTIMATE.start_usb_alloc_coherent_#res.base|))) (or (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.offset) .cse5 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.base) .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 (= ULTIMATE.start_usb_alloc_coherent_~arbitrary_memory~0.offset (_ bv0 64)) .cse6 .cse7 .cse8 .cse9))) (and (not .cse8) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (not .cse7) .cse6 (not .cse10) .cse9 (not .cse4)))) [2021-10-29 05:36:50,515 INFO L857 garLoopResultBuilder]: For program point L4156(lines 4154 4173) no Hoare annotation was computed. [2021-10-29 05:36:50,515 INFO L857 garLoopResultBuilder]: For program point L4156-1(lines 4154 4173) no Hoare annotation was computed. [2021-10-29 05:36:50,515 INFO L853 garLoopResultBuilder]: At program point L3496(lines 3475 3498) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,515 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:36:50,516 INFO L860 garLoopResultBuilder]: At program point L4058(lines 4058 4059) the Hoare annotation is: true [2021-10-29 05:36:50,516 INFO L860 garLoopResultBuilder]: At program point L4058-2(lines 4058 4059) the Hoare annotation is: true [2021-10-29 05:36:50,516 INFO L860 garLoopResultBuilder]: At program point L4058-1(lines 4058 4059) the Hoare annotation is: true [2021-10-29 05:36:50,516 INFO L860 garLoopResultBuilder]: At program point L4058-3(lines 4058 4059) the Hoare annotation is: true [2021-10-29 05:36:50,516 INFO L853 garLoopResultBuilder]: At program point L4257(lines 4256 4258) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,517 INFO L853 garLoopResultBuilder]: At program point L4224(lines 4223 4225) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,517 INFO L853 garLoopResultBuilder]: At program point L3531(lines 3525 3533) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,517 INFO L857 garLoopResultBuilder]: For program point L3994(lines 3994 4030) no Hoare annotation was computed. [2021-10-29 05:36:50,517 INFO L853 garLoopResultBuilder]: At program point L4028(lines 3980 4031) the Hoare annotation is: (let ((.cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)))) (or (and .cse0 (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (and .cse0 (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))))) [2021-10-29 05:36:50,517 INFO L853 garLoopResultBuilder]: At program point L3995(lines 3994 4030) the Hoare annotation is: (let ((.cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)))) (or (and .cse0 (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (and .cse0 (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))))) [2021-10-29 05:36:50,518 INFO L853 garLoopResultBuilder]: At program point L3863(lines 3793 3873) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,518 INFO L853 garLoopResultBuilder]: At program point L3401-1(lines 3394 3403) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-10-29 05:36:50,518 INFO L853 garLoopResultBuilder]: At program point L3401(lines 3394 3403) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (= (_ bv0 64) |ULTIMATE.start_kmalloc_#res.base|) .cse0 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.base|) (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 (= (_ bv0 64) |ULTIMATE.start_kmalloc_#res.offset|) .cse2 .cse3 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.offset|) .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-10-29 05:36:50,519 INFO L853 garLoopResultBuilder]: At program point L4227(lines 4226 4228) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,519 INFO L853 garLoopResultBuilder]: At program point L4227-1(lines 4226 4228) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,519 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:36:50,519 INFO L853 garLoopResultBuilder]: At program point L4227-2(lines 4226 4228) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-10-29 05:36:50,520 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-10-29 05:36:50,520 INFO L853 garLoopResultBuilder]: At program point L4129loopEntry(lines 4129 4142) the Hoare annotation is: (and (not (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (not (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,520 INFO L857 garLoopResultBuilder]: For program point L3997(lines 3997 4030) no Hoare annotation was computed. [2021-10-29 05:36:50,520 INFO L857 garLoopResultBuilder]: For program point L4130(line 4130) no Hoare annotation was computed. [2021-10-29 05:36:50,520 INFO L857 garLoopResultBuilder]: For program point L4163(lines 4163 4168) no Hoare annotation was computed. [2021-10-29 05:36:50,521 INFO L853 garLoopResultBuilder]: At program point L4097loopEntry(lines 4097 4116) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,521 INFO L857 garLoopResultBuilder]: For program point L4163-2(lines 4163 4168) no Hoare annotation was computed. [2021-10-29 05:36:50,523 INFO L853 garLoopResultBuilder]: At program point L3998(lines 3997 4030) the Hoare annotation is: (let ((.cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)))) (or (and .cse0 (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (and .cse0 (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))))) [2021-10-29 05:36:50,523 INFO L853 garLoopResultBuilder]: At program point L4097-2loopEntry(lines 4097 4116) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (not (= (_ bv0 64) (bvadd ULTIMATE.start_usb_free_urb_~urb.offset ULTIMATE.start_usb_free_urb_~urb.base))) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-10-29 05:36:50,523 INFO L853 garLoopResultBuilder]: At program point L4230(lines 4229 4231) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-10-29 05:36:50,523 INFO L857 garLoopResultBuilder]: For program point L4098(lines 4097 4116) no Hoare annotation was computed. [2021-10-29 05:36:50,526 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:36:50,528 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:36:50,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:36:50 BoogieIcfgContainer [2021-10-29 05:36:50,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:36:50,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:36:50,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:36:50,587 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:36:50,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:35:40" (3/4) ... [2021-10-29 05:36:50,590 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:36:50,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-10-29 05:36:50,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-10-29 05:36:50,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 05:36:50,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 05:36:50,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:36:50,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32) || (((!(retval == 0bv32) && ldv_coherent_state == 0bv32) && !(0bv32 == \result)) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-10-29 05:36:50,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-10-29 05:36:50,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-10-29 05:36:50,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-10-29 05:36:50,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-10-29 05:36:50,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-10-29 05:36:50,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~bvadd16(error, 12bv32) == 0bv32 && 0bv64 == \result) && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-10-29 05:36:50,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 [2021-10-29 05:36:50,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv64 == \result && ~bvadd16(error, 12bv32) == 0bv32) && 0bv64 == \result) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0bv64 == \result && 0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && 0bv64 == \result) && \result == 0bv64) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 [2021-10-29 05:36:50,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(~bvadd16(addr, addr) == 0bv64) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 [2021-10-29 05:36:50,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(~bvadd16(addr, addr) == 0bv64) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 [2021-10-29 05:36:50,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && !(\result == 0bv32)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) [2021-10-29 05:36:50,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(~bvadd16(addr, addr) == 0bv64) && ~bvadd16(error, 12bv32) == 0bv32) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && \result == 0bv64) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (~bvadd16(error, 12bv32) == 0bv32 && (((((((((((\result == 0bv64 && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && \result == 0bv64) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || ((((((((((\result == 0bv64 && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && \result == 0bv64) && arbitrary_memory == 0bv64) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32)))) || ((((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(0bv64 == arbitrary_memory)) && ldv_urb_state == 0bv32) && !(0bv64 == \result)) [2021-10-29 05:36:50,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) || (((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && !(\result == 0bv32)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(res_kbtab_probe_3 == 0bv32)) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 [2021-10-29 05:36:50,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && !(0bv64 == arbitrary_memory)) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(0bv64 == \result)) || ((((((!(~bvadd16(addr, addr) == 0bv64) && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 1bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32)) || (((((((~bvadd16(error, 12bv32) == 0bv32 && ldv_coherent_state == 1bv32) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,671 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,671 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && 0bv64 == \result) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) [2021-10-29 05:36:50,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:36:50,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:36:50,879 INFO L168 Benchmark]: Toolchain (without parser) took 81729.05 ms. Allocated memory was 54.5 MB in the beginning and 408.9 MB in the end (delta: 354.4 MB). Free memory was 27.1 MB in the beginning and 220.8 MB in the end (delta: -193.7 MB). Peak memory consumption was 159.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:36:50,879 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:36:50,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1712.78 ms. Allocated memory was 54.5 MB in the beginning and 104.9 MB in the end (delta: 50.3 MB). Free memory was 26.9 MB in the beginning and 51.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:36:50,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.99 ms. Allocated memory is still 104.9 MB. Free memory was 51.2 MB in the beginning and 44.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:36:50,881 INFO L168 Benchmark]: Boogie Preprocessor took 154.78 ms. Allocated memory is still 104.9 MB. Free memory was 44.9 MB in the beginning and 61.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:36:50,881 INFO L168 Benchmark]: RCFGBuilder took 8989.92 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 61.8 MB in the beginning and 98.8 MB in the end (delta: -37.0 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:36:50,882 INFO L168 Benchmark]: TraceAbstraction took 70379.22 ms. Allocated memory was 161.5 MB in the beginning and 408.9 MB in the end (delta: 247.5 MB). Free memory was 98.8 MB in the beginning and 283.7 MB in the end (delta: -184.9 MB). Peak memory consumption was 237.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:36:50,882 INFO L168 Benchmark]: Witness Printer took 291.17 ms. Allocated memory is still 408.9 MB. Free memory was 283.7 MB in the beginning and 220.8 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:36:50,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1712.78 ms. Allocated memory was 54.5 MB in the beginning and 104.9 MB in the end (delta: 50.3 MB). Free memory was 26.9 MB in the beginning and 51.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 181.99 ms. Allocated memory is still 104.9 MB. Free memory was 51.2 MB in the beginning and 44.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 154.78 ms. Allocated memory is still 104.9 MB. Free memory was 44.9 MB in the beginning and 61.8 MB in the end (delta: -16.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8989.92 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 61.8 MB in the beginning and 98.8 MB in the end (delta: -37.0 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 70379.22 ms. Allocated memory was 161.5 MB in the beginning and 408.9 MB in the end (delta: 247.5 MB). Free memory was 98.8 MB in the beginning and 283.7 MB in the end (delta: -184.9 MB). Peak memory consumption was 237.7 MB. Max. memory is 16.1 GB. * Witness Printer took 291.17 ms. Allocated memory is still 408.9 MB. Free memory was 283.7 MB in the beginning and 220.8 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 70.2s, OverallIterations: 18, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4106 SDtfs, 6355 SDslu, 9362 SDs, 0 SdLazy, 748 SolverSat, 115 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1817 GetRequests, 1719 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1398occurred in iteration=10, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 9995 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 237 NumberOfFragments, 1750 HoareAnnotationTreeSize, 68 FomulaSimplifications, 43124851 FormulaSimplificationTreeSizeReduction, 5.4s HoareSimplificationTime, 68 FomulaSimplificationsInter, 106780 FormulaSimplificationTreeSizeReductionInter, 13.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 7.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 894 NumberOfCodeBlocks, 894 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1752 ConstructedInterpolants, 0 QuantifiedInterpolants, 3324 SizeOfPredicates, 70 NumberOfNonLiveVariables, 8555 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 3782]: Loop Invariant Derived loop invariant: ((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && !(\result == 0bv32)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) - InvariantResult [Line: 3433]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4229]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 3394]: Loop Invariant Derived loop invariant: (((((((((0bv64 == \result && ~bvadd16(error, 12bv32) == 0bv32) && 0bv64 == \result) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4238]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) - InvariantResult [Line: 3475]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3793]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4209]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 4058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4226]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3994]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4256]: Loop Invariant Derived loop invariant: (res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4184]: Loop Invariant Derived loop invariant: ldv_coherent_state == 0bv32 && ldv_urb_state == 0bv32 - InvariantResult [Line: 4097]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4097]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3465]: Loop Invariant Derived loop invariant: (res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4246]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 4223]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4235]: Loop Invariant Derived loop invariant: (res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3506]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3979]: Loop Invariant Derived loop invariant: ldv_coherent_state == 0bv32 && ldv_urb_state == 0bv32 - InvariantResult [Line: 3997]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4206]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) - InvariantResult [Line: 3405]: Loop Invariant Derived loop invariant: (((((((((((0bv64 == \result && 0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && 0bv64 == \result) && \result == 0bv64) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4072]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4093]: Loop Invariant Derived loop invariant: (((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && 0bv64 == arbitrary_memory) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || ((((!(~bvadd16(addr, addr) == 0bv64) && !(error == 0bv32)) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4093]: Loop Invariant Derived loop invariant: (((((!(~bvadd16(addr, addr) == 0bv64) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3449]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4150]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3405]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) - InvariantResult [Line: 3525]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3422]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(~bvadd16(addr, addr) == 0bv64) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3793]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && !(error == 0bv32)) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3442]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 3433]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3911]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32) || ((!(retval == 0bv32) && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 3961]: Loop Invariant Derived loop invariant: ldv_urb_state == 0bv32 - InvariantResult [Line: 3980]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4129]: Loop Invariant Derived loop invariant: (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4206]: Loop Invariant Derived loop invariant: (((((((~bvadd16(error, 12bv32) == 0bv32 && 0bv64 == \result) && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4008]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) || (((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && !(\result == 0bv32)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(res_kbtab_probe_3 == 0bv32)) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4124]: Loop Invariant Derived loop invariant: (((((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && !(0bv64 == arbitrary_memory)) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(0bv64 == \result)) || ((((((!(~bvadd16(addr, addr) == 0bv64) && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 1bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32)) || (((((((~bvadd16(error, 12bv32) == 0bv32 && ldv_coherent_state == 1bv32) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4238]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && 0bv64 == \result) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4154]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && !(error == 0bv32)) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4219]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4066]: Loop Invariant Derived loop invariant: (((((((((((!(~bvadd16(addr, addr) == 0bv64) && ~bvadd16(error, 12bv32) == 0bv32) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && \result == 0bv64) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (~bvadd16(error, 12bv32) == 0bv32 && (((((((((((\result == 0bv64 && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && \result == 0bv64) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || ((((((((((\result == 0bv64 && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && \result == 0bv64) && arbitrary_memory == 0bv64) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32)))) || ((((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(0bv64 == arbitrary_memory)) && ldv_urb_state == 0bv32) && !(0bv64 == \result)) - InvariantResult [Line: 4058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4226]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3394]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) - InvariantResult [Line: 4226]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3909]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32) || (((!(retval == 0bv32) && ldv_coherent_state == 0bv32) && !(0bv32 == \result)) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4181]: Loop Invariant Derived loop invariant: ldv_urb_state == 0bv32 - InvariantResult [Line: 3793]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4150]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4154]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) - InvariantResult [Line: 3569]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3512]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) RESULT: Ultimate proved your program to be correct! [2021-10-29 05:36:50,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1baf9648-91ba-4c61-b250-e9509ec6f095/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...