./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31d31f19d6102d681e76882a8d8f65cc05410b48 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31d31f19d6102d681e76882a8d8f65cc05410b48 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:44:06,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:06,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:06,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:06,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:06,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:06,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:06,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:06,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:06,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:06,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:06,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:06,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:06,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:06,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:06,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:06,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:06,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:06,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:06,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:06,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:06,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:06,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:06,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:06,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:06,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:06,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:06,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:06,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:06,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:06,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:06,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:06,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:06,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:06,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:06,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:06,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:06,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:06,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:06,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:06,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:06,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:44:06,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:06,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:06,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:06,363 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:06,364 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:06,364 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:06,364 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:44:06,365 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:06,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:06,369 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:44:06,369 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:44:06,369 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:06,370 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:44:06,370 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:44:06,370 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:44:06,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:06,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:06,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:44:06,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:06,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:06,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:44:06,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:06,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:44:06,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:06,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:06,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:44:06,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:06,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:44:06,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:06,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:06,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:06,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:06,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:06,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:44:06,379 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:44:06,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:44:06,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:44:06,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:06,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:06,381 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d31f19d6102d681e76882a8d8f65cc05410b48 [2021-10-13 06:44:06,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:06,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:06,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:06,680 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:06,681 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:06,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-13 06:44:06,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data/3c43f64e6/88de7847563d46fbbdd8937545297155/FLAG87098181e [2021-10-13 06:44:07,513 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:07,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-13 06:44:07,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data/3c43f64e6/88de7847563d46fbbdd8937545297155/FLAG87098181e [2021-10-13 06:44:07,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data/3c43f64e6/88de7847563d46fbbdd8937545297155 [2021-10-13 06:44:07,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:07,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:07,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:07,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:07,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:07,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:07" (1/1) ... [2021-10-13 06:44:07,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1397b2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:07, skipping insertion in model container [2021-10-13 06:44:07,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:07" (1/1) ... [2021-10-13 06:44:07,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:07,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:07,943 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-13 06:44:09,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:09,434 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 06:44:09,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e35ad0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:09, skipping insertion in model container [2021-10-13 06:44:09,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:09,436 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:44:09,438 INFO L168 Benchmark]: Toolchain (without parser) took 1847.31 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 33.4 MB in the end (delta: 28.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:09,439 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:44:09,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1845.01 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 33.4 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:09,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 61.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1845.01 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 33.4 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2992]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:44:11,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:11,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:11,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:11,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:11,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:11,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:11,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:11,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:11,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:11,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:11,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:11,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:11,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:11,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:11,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:11,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:11,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:11,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:11,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:11,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:11,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:11,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:11,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:11,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:11,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:11,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:11,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:11,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:11,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:11,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:11,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:11,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:11,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:11,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:11,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:11,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:11,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:11,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:11,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:11,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:11,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:44:11,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:11,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:11,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:11,890 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:11,890 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:11,890 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:11,890 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:11,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:11,891 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:11,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:11,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:11,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:11,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:11,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:44:11,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:11,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:44:11,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:11,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:44:11,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:44:11,893 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:11,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:44:11,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:11,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:44:11,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:11,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:44:11,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:11,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:11,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:11,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:11,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:44:11,896 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:44:11,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:44:11,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:44:11,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:11,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:11,897 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d31f19d6102d681e76882a8d8f65cc05410b48 [2021-10-13 06:44:12,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:12,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:12,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:12,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:12,285 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:12,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-13 06:44:12,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data/bcfc467c2/7d625906487a4446a855b2386c77efdb/FLAGe7e429dbf [2021-10-13 06:44:13,184 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:13,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-10-13 06:44:13,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data/bcfc467c2/7d625906487a4446a855b2386c77efdb/FLAGe7e429dbf [2021-10-13 06:44:13,294 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/data/bcfc467c2/7d625906487a4446a855b2386c77efdb [2021-10-13 06:44:13,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:13,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:13,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:13,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:13,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:13,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:13" (1/1) ... [2021-10-13 06:44:13,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b327fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:13, skipping insertion in model container [2021-10-13 06:44:13,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:13" (1/1) ... [2021-10-13 06:44:13,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:13,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:13,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-13 06:44:14,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:14,850 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:44:14,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:14,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-13 06:44:15,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:15,038 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:44:15,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-10-13 06:44:15,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:15,386 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:44:15,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15 WrapperNode [2021-10-13 06:44:15,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:15,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:15,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:44:15,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:44:15,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:15,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:44:15,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:44:15,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:44:15,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:44:15,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:44:15,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:44:15,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:44:15,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (1/1) ... [2021-10-13 06:44:15,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:15,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:44:15,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:44:15,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:44:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:44:15,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-13 06:44:15,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:44:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-13 06:44:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 06:44:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 06:44:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:44:15,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:44:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-13 06:44:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 06:44:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-13 06:44:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 06:44:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:44:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 06:44:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-13 06:44:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-13 06:44:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-13 06:44:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 06:44:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 06:44:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 06:44:25,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:44:25,253 INFO L299 CfgBuilder]: Removed 621 assume(true) statements. [2021-10-13 06:44:25,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:25 BoogieIcfgContainer [2021-10-13 06:44:25,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:44:25,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:44:25,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:44:25,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:44:25,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:44:13" (1/3) ... [2021-10-13 06:44:25,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d5e7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:25, skipping insertion in model container [2021-10-13 06:44:25,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:15" (2/3) ... [2021-10-13 06:44:25,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d5e7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:25, skipping insertion in model container [2021-10-13 06:44:25,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:25" (3/3) ... [2021-10-13 06:44:25,264 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-10-13 06:44:25,270 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:44:25,270 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-13 06:44:25,322 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:44:25,328 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:44:25,328 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-10-13 06:44:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 06:44:25,367 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:25,368 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:25,368 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 06:44:25,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:25,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1570735153, now seen corresponding path program 1 times [2021-10-13 06:44:25,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:25,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101872378] [2021-10-13 06:44:25,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:25,393 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:25,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:25,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:25,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:44:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:26,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:44:26,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:26,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:26,226 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:26,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101872378] [2021-10-13 06:44:26,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101872378] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:26,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:26,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:44:26,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591669768] [2021-10-13 06:44:26,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:44:26,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:26,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:44:26,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:44:26,251 INFO L87 Difference]: Start difference. First operand has 605 states, 542 states have (on average 1.4280442804428044) internal successors, (774), 604 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:26,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:26,354 INFO L93 Difference]: Finished difference Result 1205 states and 1541 transitions. [2021-10-13 06:44:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:44:26,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 06:44:26,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:26,390 INFO L225 Difference]: With dead ends: 1205 [2021-10-13 06:44:26,390 INFO L226 Difference]: Without dead ends: 593 [2021-10-13 06:44:26,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:44:26,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-13 06:44:26,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2021-10-13 06:44:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 531 states have (on average 1.295668549905838) internal successors, (688), 592 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 688 transitions. [2021-10-13 06:44:26,532 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 688 transitions. Word has length 11 [2021-10-13 06:44:26,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:26,533 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 688 transitions. [2021-10-13 06:44:26,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 688 transitions. [2021-10-13 06:44:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 06:44:26,534 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:26,534 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:26,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:26,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:26,751 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 06:44:26,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:26,752 INFO L82 PathProgramCache]: Analyzing trace with hash 857304725, now seen corresponding path program 1 times [2021-10-13 06:44:26,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:26,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741342213] [2021-10-13 06:44:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:26,754 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:26,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:26,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:26,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:44:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:27,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:44:27,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:27,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:27,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:27,461 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:27,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741342213] [2021-10-13 06:44:27,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741342213] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:27,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:27,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:44:27,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410179187] [2021-10-13 06:44:27,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:27,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:27,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:27,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:27,465 INFO L87 Difference]: Start difference. First operand 593 states and 688 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:27,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:27,801 INFO L93 Difference]: Finished difference Result 1772 states and 2058 transitions. [2021-10-13 06:44:27,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:27,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 06:44:27,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:27,818 INFO L225 Difference]: With dead ends: 1772 [2021-10-13 06:44:27,819 INFO L226 Difference]: Without dead ends: 1184 [2021-10-13 06:44:27,824 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:27,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2021-10-13 06:44:27,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 597. [2021-10-13 06:44:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 535 states have (on average 1.2934579439252336) internal successors, (692), 596 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 692 transitions. [2021-10-13 06:44:27,862 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 692 transitions. Word has length 11 [2021-10-13 06:44:27,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:27,863 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 692 transitions. [2021-10-13 06:44:27,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 692 transitions. [2021-10-13 06:44:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:44:27,864 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:27,864 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:27,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:28,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:28,079 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 06:44:28,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:28,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1978982629, now seen corresponding path program 1 times [2021-10-13 06:44:28,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:28,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313522368] [2021-10-13 06:44:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:28,082 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:28,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:28,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:28,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:44:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:28,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:28,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:44:28,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:44:28,899 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:28,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313522368] [2021-10-13 06:44:28,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313522368] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:44:28,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [557624484] [2021-10-13 06:44:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:28,900 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:44:28,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:44:28,911 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:44:28,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-13 06:44:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:29,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:29,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:29,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:44:29,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:44:29,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [557624484] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:44:29,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984142682] [2021-10-13 06:44:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:29,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:44:29,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:44:29,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 06:44:29,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 06:44:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:30,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:30,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:44:30,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:44:30,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984142682] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:44:30,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 06:44:30,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-13 06:44:30,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110192417] [2021-10-13 06:44:30,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:44:30,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:30,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:44:30,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:30,508 INFO L87 Difference]: Start difference. First operand 597 states and 692 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:31,143 INFO L93 Difference]: Finished difference Result 1194 states and 1387 transitions. [2021-10-13 06:44:31,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:44:31,144 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 06:44:31,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:31,150 INFO L225 Difference]: With dead ends: 1194 [2021-10-13 06:44:31,150 INFO L226 Difference]: Without dead ends: 605 [2021-10-13 06:44:31,151 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 113.2ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:44:31,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-10-13 06:44:31,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2021-10-13 06:44:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 543 states have (on average 1.287292817679558) internal successors, (699), 604 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 699 transitions. [2021-10-13 06:44:31,171 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 699 transitions. Word has length 17 [2021-10-13 06:44:31,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:31,172 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 699 transitions. [2021-10-13 06:44:31,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 699 transitions. [2021-10-13 06:44:31,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:44:31,173 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:31,173 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:31,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:31,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:31,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-10-13 06:44:31,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 06:44:31,799 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 06:44:31,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:31,800 INFO L82 PathProgramCache]: Analyzing trace with hash -200592605, now seen corresponding path program 2 times [2021-10-13 06:44:31,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:31,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682700093] [2021-10-13 06:44:31,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 06:44:31,801 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:31,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:31,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:31,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 06:44:44,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 06:44:44,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 06:44:45,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 06:44:45,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:44:45,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:44:45,502 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:45,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682700093] [2021-10-13 06:44:45,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682700093] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:44:45,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1960274072] [2021-10-13 06:44:45,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 06:44:45,503 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:44:45,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:44:45,508 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:44:45,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-13 06:46:41,732 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 06:46:41,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 06:46:42,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 06:46:42,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:46:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:46:42,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:46:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:46:42,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1960274072] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:46:42,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521280636] [2021-10-13 06:46:42,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 06:46:42,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:46:42,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:46:42,352 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 06:46:42,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 06:47:22,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 06:47:22,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 06:47:22,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 06:47:22,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:47:22,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 06:47:22,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521280636] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:47:22,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 06:47:22,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 16 [2021-10-13 06:47:22,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140905138] [2021-10-13 06:47:22,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 06:47:22,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:47:22,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 06:47:22,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-10-13 06:47:22,538 INFO L87 Difference]: Start difference. First operand 605 states and 699 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:23,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:23,542 INFO L93 Difference]: Finished difference Result 1202 states and 1393 transitions. [2021-10-13 06:47:23,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 06:47:23,542 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:47:23,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:23,547 INFO L225 Difference]: With dead ends: 1202 [2021-10-13 06:47:23,548 INFO L226 Difference]: Without dead ends: 613 [2021-10-13 06:47:23,549 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 340.5ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-13 06:47:23,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-13 06:47:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-10-13 06:47:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 551 states have (on average 1.2831215970961887) internal successors, (707), 612 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 707 transitions. [2021-10-13 06:47:23,573 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 707 transitions. Word has length 25 [2021-10-13 06:47:23,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:23,574 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 707 transitions. [2021-10-13 06:47:23,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 707 transitions. [2021-10-13 06:47:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 06:47:23,576 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:23,576 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:23,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:23,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-13 06:47:24,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-13 06:47:24,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:24,186 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-10-13 06:47:24,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:24,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1490730795, now seen corresponding path program 3 times [2021-10-13 06:47:24,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:24,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759184894] [2021-10-13 06:47:24,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 06:47:24,215 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:24,232 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:24,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 06:47:47,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-13 06:47:47,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-13 06:47:47,166 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:47:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:47:57,964 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 06:47:57,964 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:47:57,965 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,967 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,968 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:57,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:58,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:58,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:58,201 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:47:58,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:47:58 BoogieIcfgContainer [2021-10-13 06:47:58,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:47:58,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:47:58,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:47:58,436 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:47:58,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:25" (3/4) ... [2021-10-13 06:47:58,441 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 06:47:58,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:47:58,442 INFO L168 Benchmark]: Toolchain (without parser) took 225143.20 ms. Allocated memory was 65.0 MB in the beginning and 224.4 MB in the end (delta: 159.4 MB). Free memory was 40.6 MB in the beginning and 85.0 MB in the end (delta: -44.4 MB). Peak memory consumption was 114.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:58,443 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:47:58,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2087.15 ms. Allocated memory was 65.0 MB in the beginning and 107.0 MB in the end (delta: 41.9 MB). Free memory was 40.5 MB in the beginning and 68.5 MB in the end (delta: -28.0 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:58,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 265.38 ms. Allocated memory is still 107.0 MB. Free memory was 68.5 MB in the beginning and 53.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:58,447 INFO L168 Benchmark]: Boogie Preprocessor took 173.63 ms. Allocated memory is still 107.0 MB. Free memory was 53.2 MB in the beginning and 63.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:58,447 INFO L168 Benchmark]: RCFGBuilder took 9428.36 ms. Allocated memory was 107.0 MB in the beginning and 186.6 MB in the end (delta: 79.7 MB). Free memory was 63.0 MB in the beginning and 50.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 113.7 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:58,447 INFO L168 Benchmark]: TraceAbstraction took 213177.09 ms. Allocated memory was 186.6 MB in the beginning and 224.4 MB in the end (delta: 37.7 MB). Free memory was 49.6 MB in the beginning and 85.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:58,448 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 224.4 MB. Free memory is still 85.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:47:58,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 65.0 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2087.15 ms. Allocated memory was 65.0 MB in the beginning and 107.0 MB in the end (delta: 41.9 MB). Free memory was 40.5 MB in the beginning and 68.5 MB in the end (delta: -28.0 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 265.38 ms. Allocated memory is still 107.0 MB. Free memory was 68.5 MB in the beginning and 53.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 173.63 ms. Allocated memory is still 107.0 MB. Free memory was 53.2 MB in the beginning and 63.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9428.36 ms. Allocated memory was 107.0 MB in the beginning and 186.6 MB in the end (delta: 79.7 MB). Free memory was 63.0 MB in the beginning and 50.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 113.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 213177.09 ms. Allocated memory was 186.6 MB in the beginning and 224.4 MB in the end (delta: 37.7 MB). Free memory was 49.6 MB in the beginning and 85.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.30 ms. Allocated memory is still 224.4 MB. Free memory is still 85.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1476. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={1048582:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L2741] int err; [L2743] current_execution_context = 1 [L2681] int i; [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2689] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2689] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L1778] int ret; [L4525] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] [L12] reach_error() VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={1048582:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={1048584:0}, fixed_cdev_used=0, fixed_gendisk={1048580:0}, fixed_request_queue={1048588:0}, genhd_registered={524296:0}, global_tty_driver={1048839:0}, jiffies=0, kernel_lock={-2147351412:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={554188819:0}, registered_pci_driver={72892417:0}, shared_workqueue={72892680:0}, tasklet_registered={72892427:0}, timer_registered={554172422:0}, zf_action=2048, zf_expect_close=0, zf_fops={553648278:0}, zf_info={-1593835298:0}, zf_is_open={1090519542:0}, zf_lock={-1593835267:0}, zf_miscdev={822083734:0}, zf_notifier={-1593835466:0}, zf_port_lock={-520093610:0}, zf_timer={524312:0}] - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 605 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 212878.7ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 19.0ms, AutomataDifference: 2179.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2750 SDtfs, 4784 SDslu, 6793 SDs, 0 SdLazy, 196 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1491.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 466.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=613occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 186.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 587 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 410.5ms SsaConstructionTime, 193044.0ms SatisfiabilityAnalysisTime, 2286.8ms InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 596 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3788 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 12/252 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 06:47:58,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d5535dd-e28c-4df2-b5a8-335b3387ea47/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...