./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c30e74585bc0b45b5d5d2606e8ac12df8fab003 .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c30e74585bc0b45b5d5d2606e8ac12df8fab003 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:47:15,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:47:15,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:47:15,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:47:15,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:47:15,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:47:15,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:47:15,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:47:15,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:47:15,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:47:15,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:47:15,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:47:15,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:47:15,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:47:15,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:47:15,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:47:15,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:47:15,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:47:15,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:47:15,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:47:15,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:47:15,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:47:15,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:47:15,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:47:15,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:47:15,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:47:15,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:47:15,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:47:15,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:47:15,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:47:15,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:47:15,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:47:15,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:47:15,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:47:15,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:47:15,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:47:15,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:47:15,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:47:15,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:47:15,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:47:15,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:47:15,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-12-07 20:47:15,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:47:15,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:47:15,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:47:15,298 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:47:15,298 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:47:15,299 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:47:15,299 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:47:15,299 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:47:15,299 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:47:15,299 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:47:15,300 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:47:15,300 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:47:15,300 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:47:15,300 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:47:15,300 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:47:15,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:47:15,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:47:15,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:47:15,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:47:15,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:47:15,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:47:15,302 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:47:15,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:47:15,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:47:15,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:47:15,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:47:15,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:47:15,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:47:15,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:47:15,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:47:15,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:47:15,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:47:15,304 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:47:15,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:47:15,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:47:15,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:47:15,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:47:15,305 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-12-07 20:47:15,305 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan 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(__VERIFIER_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 -> 5c30e74585bc0b45b5d5d2606e8ac12df8fab003 [2019-12-07 20:47:15,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:47:15,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:47:15,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:47:15,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:47:15,416 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:47:15,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 20:47:15,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data/86140386d/4a3b66caad1e4965ac9a37cb0c77e6bc/FLAG3e1c619ea [2019-12-07 20:47:16,030 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:47:16,030 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 20:47:16,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data/86140386d/4a3b66caad1e4965ac9a37cb0c77e6bc/FLAG3e1c619ea [2019-12-07 20:47:16,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data/86140386d/4a3b66caad1e4965ac9a37cb0c77e6bc [2019-12-07 20:47:16,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:47:16,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:47:16,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:47:16,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:47:16,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:47:16,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:47:16" (1/1) ... [2019-12-07 20:47:16,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b047e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:16, skipping insertion in model container [2019-12-07 20:47:16,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:47:16" (1/1) ... [2019-12-07 20:47:16,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:47:16,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:47:17,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:47:17,206 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) [2019-12-07 20:47:17,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@611b5822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:17, skipping insertion in model container [2019-12-07 20:47:17,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:47:17,207 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:47:17,209 INFO L168 Benchmark]: Toolchain (without parser) took 720.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:47:17,209 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:47:17,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:47:17,211 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 719.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3871]: 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 0.1.25-f470102 [2019-12-07 20:47:18,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:47:18,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:47:18,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:47:18,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:47:18,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:47:18,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:47:18,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:47:18,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:47:18,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:47:18,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:47:18,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:47:18,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:47:18,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:47:18,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:47:18,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:47:18,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:47:18,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:47:18,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:47:18,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:47:18,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:47:18,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:47:18,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:47:18,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:47:18,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:47:18,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:47:18,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:47:18,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:47:18,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:47:18,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:47:18,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:47:18,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:47:18,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:47:18,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:47:18,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:47:18,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:47:18,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:47:18,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:47:18,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:47:18,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:47:18,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:47:18,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-12-07 20:47:18,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:47:18,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:47:18,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:47:18,407 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:47:18,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:47:18,407 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:47:18,407 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:47:18,407 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:47:18,407 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:47:18,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:47:18,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:47:18,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:47:18,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:47:18,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:47:18,408 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:47:18,409 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:47:18,409 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:47:18,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:47:18,409 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:47:18,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:47:18,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:47:18,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:47:18,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:47:18,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:47:18,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:47:18,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:47:18,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:47:18,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:47:18,410 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:47:18,410 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:47:18,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:47:18,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:47:18,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:47:18,411 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan 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(__VERIFIER_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 -> 5c30e74585bc0b45b5d5d2606e8ac12df8fab003 [2019-12-07 20:47:18,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:47:18,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:47:18,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:47:18,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:47:18,581 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:47:18,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 20:47:18,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data/eb018f0a3/fcdd67a5112846869d7bd7c9c90c5280/FLAGfacab180f [2019-12-07 20:47:19,165 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:47:19,166 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 20:47:19,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data/eb018f0a3/fcdd67a5112846869d7bd7c9c90c5280/FLAGfacab180f [2019-12-07 20:47:19,411 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/data/eb018f0a3/fcdd67a5112846869d7bd7c9c90c5280 [2019-12-07 20:47:19,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:47:19,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:47:19,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:47:19,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:47:19,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:47:19,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:47:19" (1/1) ... [2019-12-07 20:47:19,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f6108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:19, skipping insertion in model container [2019-12-07 20:47:19,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:47:19" (1/1) ... [2019-12-07 20:47:19,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:47:19,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:47:20,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:47:20,159 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:47:20,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:47:20,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:47:20,284 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:47:20,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:47:20,478 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:47:20,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20 WrapperNode [2019-12-07 20:47:20,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:47:20,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:47:20,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:47:20,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:47:20,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:47:20,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:47:20,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:47:20,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:47:20,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... [2019-12-07 20:47:20,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:47:20,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:47:20,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:47:20,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:47:20,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 20:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 20:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:47:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2019-12-07 20:47:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2019-12-07 20:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 20:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 20:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-12-07 20:47:20,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-12-07 20:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 20:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2019-12-07 20:47:20,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-07 20:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2019-12-07 20:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 20:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback [2019-12-07 20:47:20,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback [2019-12-07 20:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 20:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2019-12-07 20:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-12-07 20:47:20,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 20:47:20,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:47:20,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 20:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 20:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-12-07 20:47:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:47:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:49:02,397 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:49:02,397 INFO L287 CfgBuilder]: Removed 579 assume(true) statements. [2019-12-07 20:49:02,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:49:02 BoogieIcfgContainer [2019-12-07 20:49:02,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:49:02,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:49:02,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:49:02,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:49:02,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:47:19" (1/3) ... [2019-12-07 20:49:02,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d026768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:49:02, skipping insertion in model container [2019-12-07 20:49:02,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:47:20" (2/3) ... [2019-12-07 20:49:02,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d026768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:49:02, skipping insertion in model container [2019-12-07 20:49:02,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:49:02" (3/3) ... [2019-12-07 20:49:02,404 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--lirc--lirc_sasem.ko-entry_point.cil.out.i [2019-12-07 20:49:02,411 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:49:02,417 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-12-07 20:49:02,424 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-07 20:49:02,444 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:49:02,444 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:49:02,444 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:49:02,445 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:49:02,445 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:49:02,445 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:49:02,445 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:49:02,445 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:49:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states. [2019-12-07 20:49:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 20:49:02,469 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:02,470 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:49:02,470 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:02,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:02,476 INFO L82 PathProgramCache]: Analyzing trace with hash -872278081, now seen corresponding path program 1 times [2019-12-07 20:49:02,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:02,488 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821131291] [2019-12-07 20:49:02,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:03,414 INFO L264 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:49:03,419 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:03,441 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:03,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821131291] [2019-12-07 20:49:03,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:03,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:49:03,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602628721] [2019-12-07 20:49:03,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:49:03,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:03,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:49:03,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:49:03,463 INFO L87 Difference]: Start difference. First operand 658 states. Second operand 4 states. [2019-12-07 20:49:06,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:06,155 INFO L93 Difference]: Finished difference Result 2525 states and 3747 transitions. [2019-12-07 20:49:06,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:49:06,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 20:49:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:06,178 INFO L225 Difference]: With dead ends: 2525 [2019-12-07 20:49:06,178 INFO L226 Difference]: Without dead ends: 1857 [2019-12-07 20:49:06,184 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:49:06,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2019-12-07 20:49:06,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1857. [2019-12-07 20:49:06,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1857 states. [2019-12-07 20:49:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2740 transitions. [2019-12-07 20:49:06,287 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2740 transitions. Word has length 19 [2019-12-07 20:49:06,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:06,288 INFO L462 AbstractCegarLoop]: Abstraction has 1857 states and 2740 transitions. [2019-12-07 20:49:06,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:49:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2740 transitions. [2019-12-07 20:49:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 20:49:06,289 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:06,289 INFO L410 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] [2019-12-07 20:49:06,490 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:49:06,491 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:06,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:06,492 INFO L82 PathProgramCache]: Analyzing trace with hash 948805561, now seen corresponding path program 1 times [2019-12-07 20:49:06,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:06,495 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616121581] [2019-12-07 20:49:06,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:07,463 INFO L264 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:49:07,466 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:07,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:07,480 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:07,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616121581] [2019-12-07 20:49:07,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:07,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:49:07,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851144304] [2019-12-07 20:49:07,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:49:07,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:07,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:49:07,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:49:07,496 INFO L87 Difference]: Start difference. First operand 1857 states and 2740 transitions. Second operand 4 states. [2019-12-07 20:49:07,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:07,859 INFO L93 Difference]: Finished difference Result 5545 states and 8252 transitions. [2019-12-07 20:49:07,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:49:07,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 20:49:07,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:07,882 INFO L225 Difference]: With dead ends: 5545 [2019-12-07 20:49:07,882 INFO L226 Difference]: Without dead ends: 3700 [2019-12-07 20:49:07,886 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:49:07,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2019-12-07 20:49:07,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3688. [2019-12-07 20:49:07,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3688 states. [2019-12-07 20:49:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 5443 transitions. [2019-12-07 20:49:07,985 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 5443 transitions. Word has length 26 [2019-12-07 20:49:07,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:07,986 INFO L462 AbstractCegarLoop]: Abstraction has 3688 states and 5443 transitions. [2019-12-07 20:49:07,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:49:07,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5443 transitions. [2019-12-07 20:49:07,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 20:49:07,988 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:07,988 INFO L410 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] [2019-12-07 20:49:08,188 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:49:08,189 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:08,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:08,189 INFO L82 PathProgramCache]: Analyzing trace with hash -651797967, now seen corresponding path program 1 times [2019-12-07 20:49:08,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:08,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115858066] [2019-12-07 20:49:08,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:09,103 INFO L264 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:49:09,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:09,116 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:09,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115858066] [2019-12-07 20:49:09,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:09,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 20:49:09,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488666658] [2019-12-07 20:49:09,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:49:09,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:09,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:49:09,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:49:09,131 INFO L87 Difference]: Start difference. First operand 3688 states and 5443 transitions. Second operand 4 states. [2019-12-07 20:49:09,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:09,577 INFO L93 Difference]: Finished difference Result 14679 states and 21675 transitions. [2019-12-07 20:49:09,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:49:09,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2019-12-07 20:49:09,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:09,623 INFO L225 Difference]: With dead ends: 14679 [2019-12-07 20:49:09,623 INFO L226 Difference]: Without dead ends: 11003 [2019-12-07 20:49:09,630 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:49:09,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11003 states. [2019-12-07 20:49:09,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11003 to 7333. [2019-12-07 20:49:09,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7333 states. [2019-12-07 20:49:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7333 states to 7333 states and 10824 transitions. [2019-12-07 20:49:09,861 INFO L78 Accepts]: Start accepts. Automaton has 7333 states and 10824 transitions. Word has length 27 [2019-12-07 20:49:09,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:09,862 INFO L462 AbstractCegarLoop]: Abstraction has 7333 states and 10824 transitions. [2019-12-07 20:49:09,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:49:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 7333 states and 10824 transitions. [2019-12-07 20:49:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 20:49:09,863 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:09,864 INFO L410 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] [2019-12-07 20:49:10,064 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:49:10,065 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:10,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:10,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1269100227, now seen corresponding path program 1 times [2019-12-07 20:49:10,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:10,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441013946] [2019-12-07 20:49:10,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:10,972 INFO L264 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:49:10,975 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:10,980 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:10,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441013946] [2019-12-07 20:49:10,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:10,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:49:10,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304439662] [2019-12-07 20:49:10,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:49:10,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:10,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:49:10,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:49:10,984 INFO L87 Difference]: Start difference. First operand 7333 states and 10824 transitions. Second operand 3 states. [2019-12-07 20:49:11,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:11,182 INFO L93 Difference]: Finished difference Result 10995 states and 16227 transitions. [2019-12-07 20:49:11,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:49:11,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 20:49:11,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:11,226 INFO L225 Difference]: With dead ends: 10995 [2019-12-07 20:49:11,226 INFO L226 Difference]: Without dead ends: 10993 [2019-12-07 20:49:11,229 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:49:11,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10993 states. [2019-12-07 20:49:11,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10993 to 10991. [2019-12-07 20:49:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10991 states. [2019-12-07 20:49:11,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10991 states to 10991 states and 16224 transitions. [2019-12-07 20:49:11,526 INFO L78 Accepts]: Start accepts. Automaton has 10991 states and 16224 transitions. Word has length 28 [2019-12-07 20:49:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:11,526 INFO L462 AbstractCegarLoop]: Abstraction has 10991 states and 16224 transitions. [2019-12-07 20:49:11,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:49:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 10991 states and 16224 transitions. [2019-12-07 20:49:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 20:49:11,527 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:11,527 INFO L410 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] [2019-12-07 20:49:11,727 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:49:11,728 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:11,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:11,728 INFO L82 PathProgramCache]: Analyzing trace with hash 687402107, now seen corresponding path program 1 times [2019-12-07 20:49:11,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:11,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986750857] [2019-12-07 20:49:11,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:12,610 INFO L264 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:49:12,612 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:12,618 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:12,621 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986750857] [2019-12-07 20:49:12,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:12,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:49:12,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847803248] [2019-12-07 20:49:12,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:49:12,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:12,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:49:12,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:49:12,623 INFO L87 Difference]: Start difference. First operand 10991 states and 16224 transitions. Second operand 3 states. [2019-12-07 20:49:12,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:12,865 INFO L93 Difference]: Finished difference Result 10991 states and 16224 transitions. [2019-12-07 20:49:12,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:49:12,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-12-07 20:49:12,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:12,888 INFO L225 Difference]: With dead ends: 10991 [2019-12-07 20:49:12,888 INFO L226 Difference]: Without dead ends: 10989 [2019-12-07 20:49:12,890 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:49:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10989 states. [2019-12-07 20:49:13,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10989 to 10989. [2019-12-07 20:49:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10989 states. [2019-12-07 20:49:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10989 states to 10989 states and 16222 transitions. [2019-12-07 20:49:13,198 INFO L78 Accepts]: Start accepts. Automaton has 10989 states and 16222 transitions. Word has length 29 [2019-12-07 20:49:13,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:13,198 INFO L462 AbstractCegarLoop]: Abstraction has 10989 states and 16222 transitions. [2019-12-07 20:49:13,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:49:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 10989 states and 16222 transitions. [2019-12-07 20:49:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 20:49:13,199 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:13,199 INFO L410 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] [2019-12-07 20:49:13,399 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:49:13,400 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:13,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:13,401 INFO L82 PathProgramCache]: Analyzing trace with hash -165370419, now seen corresponding path program 1 times [2019-12-07 20:49:13,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:13,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482851713] [2019-12-07 20:49:13,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:14,349 INFO L264 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:49:14,352 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:14,359 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:14,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:14,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482851713] [2019-12-07 20:49:14,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:14,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:49:14,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334092577] [2019-12-07 20:49:14,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:49:14,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:14,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:49:14,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:49:14,363 INFO L87 Difference]: Start difference. First operand 10989 states and 16222 transitions. Second operand 3 states. [2019-12-07 20:49:14,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:14,571 INFO L93 Difference]: Finished difference Result 10989 states and 16222 transitions. [2019-12-07 20:49:14,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:49:14,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-12-07 20:49:14,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:14,587 INFO L225 Difference]: With dead ends: 10989 [2019-12-07 20:49:14,587 INFO L226 Difference]: Without dead ends: 10980 [2019-12-07 20:49:14,590 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:49:14,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10980 states. [2019-12-07 20:49:14,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10980 to 10980. [2019-12-07 20:49:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10980 states. [2019-12-07 20:49:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10980 states to 10980 states and 16209 transitions. [2019-12-07 20:49:14,869 INFO L78 Accepts]: Start accepts. Automaton has 10980 states and 16209 transitions. Word has length 30 [2019-12-07 20:49:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:14,869 INFO L462 AbstractCegarLoop]: Abstraction has 10980 states and 16209 transitions. [2019-12-07 20:49:14,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:49:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 10980 states and 16209 transitions. [2019-12-07 20:49:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 20:49:14,871 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:14,871 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 20:49:15,071 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:49:15,072 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:15,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:15,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1391700953, now seen corresponding path program 1 times [2019-12-07 20:49:15,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:15,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175670850] [2019-12-07 20:49:15,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:16,043 INFO L264 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:49:16,046 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:16,052 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:49:16,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175670850] [2019-12-07 20:49:16,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:16,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:49:16,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449314839] [2019-12-07 20:49:16,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:49:16,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:16,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:49:16,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:49:16,059 INFO L87 Difference]: Start difference. First operand 10980 states and 16209 transitions. Second operand 3 states. [2019-12-07 20:49:17,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:17,007 INFO L93 Difference]: Finished difference Result 30073 states and 44670 transitions. [2019-12-07 20:49:17,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:49:17,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-12-07 20:49:17,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:17,040 INFO L225 Difference]: With dead ends: 30073 [2019-12-07 20:49:17,041 INFO L226 Difference]: Without dead ends: 19105 [2019-12-07 20:49:17,061 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:49:17,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19105 states. [2019-12-07 20:49:17,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19105 to 19074. [2019-12-07 20:49:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19074 states. [2019-12-07 20:49:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19074 states to 19074 states and 28427 transitions. [2019-12-07 20:49:17,565 INFO L78 Accepts]: Start accepts. Automaton has 19074 states and 28427 transitions. Word has length 49 [2019-12-07 20:49:17,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:17,565 INFO L462 AbstractCegarLoop]: Abstraction has 19074 states and 28427 transitions. [2019-12-07 20:49:17,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:49:17,565 INFO L276 IsEmpty]: Start isEmpty. Operand 19074 states and 28427 transitions. [2019-12-07 20:49:17,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 20:49:17,569 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:17,569 INFO L410 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:49:17,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:49:17,770 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:17,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:17,771 INFO L82 PathProgramCache]: Analyzing trace with hash 785729722, now seen corresponding path program 1 times [2019-12-07 20:49:17,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:17,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747581698] [2019-12-07 20:49:17,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:18,768 INFO L264 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:49:18,770 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:18,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 20:49:18,788 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 20:49:18,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747581698] [2019-12-07 20:49:18,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:18,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:49:18,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222282151] [2019-12-07 20:49:18,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:49:18,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:18,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:49:18,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:49:18,829 INFO L87 Difference]: Start difference. First operand 19074 states and 28427 transitions. Second operand 6 states. [2019-12-07 20:49:19,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:19,819 INFO L93 Difference]: Finished difference Result 51822 states and 77619 transitions. [2019-12-07 20:49:19,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:49:19,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-12-07 20:49:19,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:19,867 INFO L225 Difference]: With dead ends: 51822 [2019-12-07 20:49:19,867 INFO L226 Difference]: Without dead ends: 32724 [2019-12-07 20:49:19,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:49:19,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32724 states. [2019-12-07 20:49:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32724 to 19074. [2019-12-07 20:49:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19074 states. [2019-12-07 20:49:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19074 states to 19074 states and 28409 transitions. [2019-12-07 20:49:20,533 INFO L78 Accepts]: Start accepts. Automaton has 19074 states and 28409 transitions. Word has length 61 [2019-12-07 20:49:20,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:20,533 INFO L462 AbstractCegarLoop]: Abstraction has 19074 states and 28409 transitions. [2019-12-07 20:49:20,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:49:20,533 INFO L276 IsEmpty]: Start isEmpty. Operand 19074 states and 28409 transitions. [2019-12-07 20:49:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 20:49:20,537 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:20,538 INFO L410 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:49:20,738 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:49:20,739 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:20,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:20,739 INFO L82 PathProgramCache]: Analyzing trace with hash 276256632, now seen corresponding path program 1 times [2019-12-07 20:49:20,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:20,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601293050] [2019-12-07 20:49:20,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 20:49:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:49:21,781 INFO L264 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:49:21,783 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:49:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 20:49:21,800 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:49:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 20:49:21,821 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601293050] [2019-12-07 20:49:21,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:49:21,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:49:21,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222755512] [2019-12-07 20:49:21,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:49:21,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:49:21,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:49:21,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:49:21,822 INFO L87 Difference]: Start difference. First operand 19074 states and 28409 transitions. Second operand 8 states. [2019-12-07 20:49:26,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:49:26,771 INFO L93 Difference]: Finished difference Result 90144 states and 134767 transitions. [2019-12-07 20:49:26,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 20:49:26,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2019-12-07 20:49:26,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:49:26,869 INFO L225 Difference]: With dead ends: 90144 [2019-12-07 20:49:26,869 INFO L226 Difference]: Without dead ends: 71082 [2019-12-07 20:49:26,902 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2019-12-07 20:49:26,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71082 states. [2019-12-07 20:49:28,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71082 to 19614. [2019-12-07 20:49:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19614 states. [2019-12-07 20:49:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19614 states to 19614 states and 29147 transitions. [2019-12-07 20:49:28,147 INFO L78 Accepts]: Start accepts. Automaton has 19614 states and 29147 transitions. Word has length 61 [2019-12-07 20:49:28,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:49:28,147 INFO L462 AbstractCegarLoop]: Abstraction has 19614 states and 29147 transitions. [2019-12-07 20:49:28,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:49:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 19614 states and 29147 transitions. [2019-12-07 20:49:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 20:49:28,150 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:49:28,151 INFO L410 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:49:28,351 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 20:49:28,352 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:49:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:49:28,352 INFO L82 PathProgramCache]: Analyzing trace with hash 534422070, now seen corresponding path program 1 times [2019-12-07 20:49:28,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:49:28,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859851044] [2019-12-07 20:49:28,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104d2a9d-533a-4678-a509-b6be396ab020/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 20:50:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:51:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:51:41,802 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 20:51:41,803 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:51:42,003 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 20:51:42,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:51:42 BoogieIcfgContainer [2019-12-07 20:51:42,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:51:42,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:51:42,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:51:42,263 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:51:42,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:49:02" (3/4) ... [2019-12-07 20:51:42,265 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:51:42,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:51:42,266 INFO L168 Benchmark]: Toolchain (without parser) took 262849.00 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 941.6 MB in the beginning and 1.6 GB in the end (delta: -676.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2019-12-07 20:51:42,267 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:51:42,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1058.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.6 MB in the beginning and 970.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 125.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:51:42,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.41 ms. Allocated memory is still 1.2 GB. Free memory was 970.0 MB in the beginning and 949.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:51:42,267 INFO L168 Benchmark]: Boogie Preprocessor took 136.20 ms. Allocated memory is still 1.2 GB. Free memory was 949.3 MB in the beginning and 928.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:51:42,268 INFO L168 Benchmark]: RCFGBuilder took 101655.25 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 900.7 MB). Free memory was 928.6 MB in the beginning and 1.7 GB in the end (delta: -753.4 MB). Peak memory consumption was 815.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:51:42,268 INFO L168 Benchmark]: TraceAbstraction took 159862.37 ms. Allocated memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: 902.8 MB). Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 64.1 MB). Peak memory consumption was 966.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:51:42,268 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 3.0 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:51:42,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1058.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.6 MB in the beginning and 970.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 125.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.41 ms. Allocated memory is still 1.2 GB. Free memory was 970.0 MB in the beginning and 949.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 136.20 ms. Allocated memory is still 1.2 GB. Free memory was 949.3 MB in the beginning and 928.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 101655.25 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 900.7 MB). Free memory was 928.6 MB in the beginning and 1.7 GB in the end (delta: -753.4 MB). Peak memory consumption was 815.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 159862.37 ms. Allocated memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: 902.8 MB). Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 64.1 MB). Peak memory consumption was 966.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 3.0 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3653]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4626. Possible FailurePath: [L3676] int LDV_IN_INTERRUPT = 1; [L3677] int ldv_state_variable_2 ; [L3678] struct file *vfd_fops_group2 ; [L3679] struct usb_interface *sasem_driver_group1 ; [L3680] int ref_cnt ; [L3681] struct inode *vfd_fops_group1 ; [L3682] int ldv_state_variable_1 ; [L3683] int usb_counter ; [L3684] int ldv_state_variable_0 ; [L3798-L3800] static struct file_operations const vfd_fops = {& __this_module, & noop_llseek, 0, & vfd_write, 0, 0, 0, 0, & vfd_ioctl, 0, 0, & vfd_open, 0, & vfd_close, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3801-L3803] static struct usb_device_id sasem_usb_id_table[2U] = { {3U, 4538U, 257U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3804-L3809] static struct usb_driver sasem_driver = {"lirc_sasem", & sasem_probe, & sasem_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& sasem_usb_id_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3810] static struct usb_class_driver sasem_class = {(char *)"lcd%d", 0, & vfd_fops, 144}; [L3811-L3814] static struct mutex disconnect_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "disconnect_lock.wait_lock", 0, 0UL}}}}, {& disconnect_lock.wait_list, & disconnect_lock.wait_list}, 0, 0, (void *)(& disconnect_lock), {0, {0, 0}, "disconnect_lock", 0, 0UL}}; [L3815] static int debug ; [L4637] int ldv_retval_0 ; [L4638] int ldv_retval_1 ; [L4641] int ldv_retval_2 ; [L4982] int INTERF_STATE = 0; [L4983] int SERIAL_STATE = 0; [L4984] void *usb_intfdata = 0; [L4985] struct urb *usb_urb = 0; [L4986] struct usb_device *usb_dev = 0; [L4987] int dev_counter = 0; [L4988] int completeFnIntCounter = 0; [L4989] int completeFnBulkCounter = 0; [L4990] void (*completeFnInt)(struct urb * ) ; [L4991] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4665] struct usb_device_id *ldvarg0 ; [L4666] void *tmp ; [L4667] unsigned long ldvarg1 ; [L4668] unsigned long tmp___0 ; [L4669] char *ldvarg7 ; [L4670] void *tmp___1 ; [L4671] loff_t ldvarg4 ; [L4672] loff_t tmp___2 ; [L4673] int ldvarg3 ; [L4674] int tmp___3 ; [L4675] loff_t *ldvarg5 ; [L4676] void *tmp___4 ; [L4677] unsigned int ldvarg2 ; [L4678] unsigned int tmp___5 ; [L4679] size_t ldvarg6 ; [L4680] size_t tmp___6 ; [L4681] int tmp___7 ; [L4682] int tmp___8 ; [L4683] int tmp___9 ; [L4684] int tmp___10 ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4686] tmp = ldv_zalloc(32UL) [L4687] ldvarg0 = (struct usb_device_id *)tmp [L4688] tmp___0 = __VERIFIER_nondet_ulong() [L4689] ldvarg1 = tmp___0 [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4690] tmp___1 = ldv_zalloc(1UL) [L4691] ldvarg7 = (char *)tmp___1 [L4692] tmp___2 = __VERIFIER_nondet_loff_t() [L4693] ldvarg4 = tmp___2 [L4694] tmp___3 = __VERIFIER_nondet_int() [L4695] ldvarg3 = tmp___3 [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4696] tmp___4 = ldv_zalloc(8UL) [L4697] ldvarg5 = (loff_t *)tmp___4 [L4698] tmp___5 = __VERIFIER_nondet_uint() [L4699] ldvarg2 = tmp___5 [L4700] tmp___6 = __VERIFIER_nondet_size_t() [L4701] ldvarg6 = tmp___6 VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4703] ldv_state_variable_1 = 0 [L4704] ref_cnt = 0 [L4705] ldv_state_variable_0 = 1 [L4706] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: [L4740] case 1: VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4741] COND TRUE ldv_state_variable_0 != 0 [L4742] tmp___9 = __VERIFIER_nondet_int() [L4744] case 0: [L4752] case 1: VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4753] COND TRUE ldv_state_variable_0 == 1 [L4624] int tmp ; [L4626] CALL, EXPR ldv_usb_register_driver_18(& sasem_driver, & __this_module, "lirc_sasem") [L4954] ldv_func_ret_type ldv_func_res ; [L4955] int tmp ; [L5322] return __VERIFIER_nondet_int(); [L4957] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4958] ldv_func_res = tmp [L4959] ldv_state_variable_1 = 1 [L4960] usb_counter = 0 [L4644] void *tmp ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4646] tmp = ldv_zalloc(1520UL) [L4647] sasem_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4962] return (ldv_func_res); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4626] tmp = ldv_usb_register_driver_18(& sasem_driver, & __this_module, "lirc_sasem") [L4627] return (tmp); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4754] ldv_retval_1 = sasem_driver_init() [L4755] COND TRUE ldv_retval_1 == 0 [L4756] ldv_state_variable_0 = 3 [L4757] ldv_state_variable_2 = 1 [L4653] void *tmp ; [L4654] void *tmp___0 ; [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4656] tmp = ldv_zalloc(1032UL) [L4657] vfd_fops_group1 = (struct inode *)tmp [L3618] void *p ; [L3619] void *tmp ; [L3620] int tmp___0 ; [L3622] tmp___0 = __VERIFIER_nondet_int() [L3623] COND TRUE tmp___0 != 0 [L3624] return ((void *)0); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4658] tmp___0 = ldv_zalloc(360UL) [L4659] vfd_fops_group2 = (struct file *)tmp___0 VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4761] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4711] COND TRUE ldv_state_variable_1 != 0 [L4712] tmp___8 = __VERIFIER_nondet_int() [L4714] case 0: VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4715] COND TRUE ldv_state_variable_1 == 1 [L4367] struct usb_device *dev ; [L4368] struct usb_host_interface *iface_desc ; [L4369] struct usb_endpoint_descriptor *rx_endpoint ; [L4370] struct usb_endpoint_descriptor *tx_endpoint ; [L4371] struct urb *rx_urb ; [L4372] struct urb *tx_urb ; [L4373] struct lirc_driver *driver ; [L4374] struct lirc_buffer *rbuf ; [L4375] int lirc_minor ; [L4376] int num_endpoints ; [L4377] int retval ; [L4378] int vfd_ep_found ; [L4379] int ir_ep_found ; [L4380] int alloc_status ; [L4381] struct sasem_context *context ; [L4382] int i ; [L4383] struct usb_device *tmp ; [L4384] struct usb_endpoint_descriptor *ep ; [L4385] int ep_dir ; [L4386] int ep_type ; [L4387] void *tmp___0 ; [L4388] void *tmp___1 ; [L4389] void *tmp___2 ; [L4390] int tmp___3 ; [L4391] struct lock_class_key __key ; [L4392] int tmp___4 ; [L4394] dev = (struct usb_device *)0 [L4395] iface_desc = (struct usb_host_interface *)0 [L4396] rx_endpoint = (struct usb_endpoint_descriptor *)0 [L4397] tx_endpoint = (struct usb_endpoint_descriptor *)0 [L4398] rx_urb = (struct urb *)0 [L4399] tx_urb = (struct urb *)0 [L4400] driver = (struct lirc_driver *)0 [L4401] rbuf = (struct lirc_buffer *)0 [L4402] lirc_minor = 0 [L4403] retval = 0 [L4404] context = (struct sasem_context *)0 [L4844] struct usb_device *tmp ; [L5095] void *result ; [L5096] void *tmp ; [L3601] void *p ; [L3602] void *tmp ; [L3603] int tmp___0 ; [L3605] tmp___0 = __VERIFIER_nondet_int() [L3606] COND FALSE !(tmp___0 != 0) [L3609] tmp = malloc(size) [L3610] p = tmp [L3612] return (p); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5098] tmp = ldv_malloc(sizeof(struct usb_device)) [L5099] result = tmp VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5100] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5104] return (result); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4846] tmp = ldv_interface_to_usbdev() [L4847] return (tmp); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4407] tmp = interface_to_usbdev(interface) [L4908] struct usb_device *tmp ; [L5109] int tmp ; VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5111] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) [L3635] int tmp ; [L3637] tmp = __VERIFIER_nondet_int() [L3638] return (tmp); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=0, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5112] tmp = ldv_undef_int() [L5113] COND TRUE \read(tmp) [L5114] dev_counter = dev_counter + 1 [L5115] usb_dev = data VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5123] return (usb_dev); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4910] tmp = ldv_get_dev(ldv_func_arg1) [L4911] return (tmp); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4408] dev = ldv_usb_get_dev_10(tmp) [L4409] EXPR interface->cur_altsetting [L4409] iface_desc = interface->cur_altsetting [L4410] EXPR iface_desc->desc.bNumEndpoints [L4410] num_endpoints = (int )iface_desc->desc.bNumEndpoints [L4411] ir_ep_found = 0 [L4412] vfd_ep_found = 0 [L4413] i = 0 VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4440] COND FALSE !(i < num_endpoints && (ir_ep_found == 0 || vfd_ep_found == 0)) VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4444] COND TRUE ir_ep_found == 0 [L4447] retval = -19 VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4584] return (retval); [L4584] return (retval); VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4716] ldv_retval_0 = sasem_probe(sasem_driver_group1, (struct usb_device_id const *)ldvarg0) [L4717] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4708] tmp___7 = __VERIFIER_nondet_int() [L4710] case 0: [L4740] case 1: VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4741] COND TRUE ldv_state_variable_0 != 0 [L4742] tmp___9 = __VERIFIER_nondet_int() [L4744] case 0: VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4745] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4969] ldv_state_variable_1 = 0 VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L4747] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5201] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L5205] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] [L3653] __VERIFIER_error() VAL [={0:0}, ={0:0}, __this_module={0:131072}, completeFnBulkCounter=0, completeFnIntCounter=0, debug=0, dev_counter=1, disconnect_lock={28679:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967277, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, sasem_class={1484834575:0}, sasem_driver={947963663:0}, sasem_driver_group1={0:0}, sasem_usb_id_table={144753436:0}, SERIAL_STATE=0, usb_counter=0, usb_dev={1:0}, usb_intfdata={0:0}, usb_urb={0:0}, vfd_fops={1289798430:0}, vfd_fops_group1={0:0}, vfd_fops_group2={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 658 locations, 5 error locations. Result: UNSAFE, OverallTime: 159.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10109 SDtfs, 16873 SDslu, 18842 SDs, 0 SdLazy, 255 SolverSat, 131 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 655 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19614occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 68833 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 59.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 53492 SizeOfPredicates, 14 NumberOfNonLiveVariables, 7998 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...