./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan --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 67645b836df889874dae0b8aac8cecb073b5cdb8 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan --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 67645b836df889874dae0b8aac8cecb073b5cdb8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 07:49:17,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 07:49:17,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 07:49:17,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 07:49:17,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 07:49:17,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 07:49:17,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 07:49:17,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 07:49:17,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 07:49:17,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 07:49:17,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 07:49:17,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 07:49:17,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 07:49:17,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 07:49:17,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 07:49:17,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 07:49:17,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 07:49:17,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 07:49:17,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 07:49:17,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 07:49:17,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 07:49:17,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 07:49:17,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 07:49:17,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 07:49:17,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 07:49:17,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 07:49:17,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 07:49:17,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 07:49:17,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 07:49:17,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 07:49:17,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 07:49:17,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 07:49:17,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 07:49:17,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 07:49:17,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 07:49:17,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 07:49:17,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 07:49:17,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 07:49:17,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 07:49:17,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 07:49:17,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 07:49:17,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 07:49:17,340 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 07:49:17,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 07:49:17,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 07:49:17,342 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 07:49:17,342 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 07:49:17,342 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 07:49:17,342 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 07:49:17,342 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 07:49:17,342 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 07:49:17,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 07:49:17,343 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 07:49:17,343 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 07:49:17,343 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 07:49:17,343 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 07:49:17,344 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 07:49:17,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 07:49:17,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 07:49:17,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 07:49:17,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 07:49:17,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 07:49:17,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 07:49:17,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 07:49:17,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 07:49:17,346 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 07:49:17,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 07:49:17,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 07:49:17,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 07:49:17,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 07:49:17,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 07:49:17,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 07:49:17,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:49:17,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 07:49:17,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 07:49:17,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 07:49:17,348 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 07:49:17,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 07:49:17,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 07:49:17,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 07:49:17,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 07:49:17,348 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-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67645b836df889874dae0b8aac8cecb073b5cdb8 [2020-12-09 07:49:17,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 07:49:17,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 07:49:17,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 07:49:17,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 07:49:17,549 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 07:49:17,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2020-12-09 07:49:17,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data/320776f9e/7a96103e3c6f48f4ac48cbd7f1cc875c/FLAG17543d56c [2020-12-09 07:49:17,991 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 07:49:17,991 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2020-12-09 07:49:17,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data/320776f9e/7a96103e3c6f48f4ac48cbd7f1cc875c/FLAG17543d56c [2020-12-09 07:49:18,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data/320776f9e/7a96103e3c6f48f4ac48cbd7f1cc875c [2020-12-09 07:49:18,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 07:49:18,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 07:49:18,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 07:49:18,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 07:49:18,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 07:49:18,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:49:18" (1/1) ... [2020-12-09 07:49:18,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a145d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:18, skipping insertion in model container [2020-12-09 07:49:18,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:49:18" (1/1) ... [2020-12-09 07:49:18,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 07:49:18,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:49:18,227 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2020-12-09 07:49:18,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:49:18,237 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) [2020-12-09 07:49:18,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18727a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:18, skipping insertion in model container [2020-12-09 07:49:18,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 07:49:18,238 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 07:49:18,240 INFO L168 Benchmark]: Toolchain (without parser) took 227.20 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 86.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:18,240 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 113.2 MB. Free memory is still 91.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:49:18,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.13 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 86.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:18,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 113.2 MB. Free memory is still 91.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 225.13 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 86.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 429]: 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 0.2.0-7b2dab5 [2020-12-09 07:49:19,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 07:49:19,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 07:49:19,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 07:49:19,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 07:49:19,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 07:49:19,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 07:49:19,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 07:49:19,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 07:49:19,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 07:49:19,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 07:49:19,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 07:49:19,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 07:49:19,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 07:49:19,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 07:49:19,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 07:49:19,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 07:49:19,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 07:49:19,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 07:49:19,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 07:49:19,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 07:49:19,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 07:49:19,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 07:49:19,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 07:49:19,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 07:49:19,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 07:49:19,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 07:49:19,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 07:49:19,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 07:49:19,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 07:49:19,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 07:49:19,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 07:49:19,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 07:49:19,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 07:49:19,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 07:49:19,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 07:49:19,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 07:49:19,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 07:49:19,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 07:49:19,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 07:49:19,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 07:49:19,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 07:49:19,679 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 07:49:19,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 07:49:19,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 07:49:19,680 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 07:49:19,680 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 07:49:19,681 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 07:49:19,681 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 07:49:19,681 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 07:49:19,681 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 07:49:19,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 07:49:19,682 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 07:49:19,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 07:49:19,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 07:49:19,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 07:49:19,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 07:49:19,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 07:49:19,682 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 07:49:19,682 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 07:49:19,683 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 07:49:19,683 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 07:49:19,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 07:49:19,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 07:49:19,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 07:49:19,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 07:49:19,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 07:49:19,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 07:49:19,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:49:19,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 07:49:19,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 07:49:19,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 07:49:19,684 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 07:49:19,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 07:49:19,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 07:49:19,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 07:49:19,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 07:49:19,685 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-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67645b836df889874dae0b8aac8cecb073b5cdb8 [2020-12-09 07:49:19,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 07:49:19,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 07:49:19,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 07:49:19,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 07:49:19,932 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 07:49:19,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2020-12-09 07:49:19,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data/414d7ced7/884a955c77be405ca7da6e2481ac7e63/FLAGeca9d3d1b [2020-12-09 07:49:20,412 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 07:49:20,412 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2020-12-09 07:49:20,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data/414d7ced7/884a955c77be405ca7da6e2481ac7e63/FLAGeca9d3d1b [2020-12-09 07:49:20,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/data/414d7ced7/884a955c77be405ca7da6e2481ac7e63 [2020-12-09 07:49:20,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 07:49:20,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 07:49:20,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 07:49:20,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 07:49:20,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 07:49:20,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5adb5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20, skipping insertion in model container [2020-12-09 07:49:20,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 07:49:20,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:49:20,647 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2020-12-09 07:49:20,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:49:20,674 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 07:49:20,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:49:20,735 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2020-12-09 07:49:20,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:49:20,741 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 07:49:20,789 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2020-12-09 07:49:20,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:49:20,808 INFO L208 MainTranslator]: Completed translation [2020-12-09 07:49:20,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20 WrapperNode [2020-12-09 07:49:20,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 07:49:20,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 07:49:20,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 07:49:20,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 07:49:20,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 07:49:20,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 07:49:20,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 07:49:20,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 07:49:20,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... [2020-12-09 07:49:20,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 07:49:20,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 07:49:20,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 07:49:20,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 07:49:20,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:49:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2020-12-09 07:49:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2020-12-09 07:49:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-12-09 07:49:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 07:49:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 07:49:20,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 07:49:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-12-09 07:49:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 07:49:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 07:49:21,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 07:49:21,932 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-09 07:49:21,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:49:21 BoogieIcfgContainer [2020-12-09 07:49:21,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 07:49:21,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 07:49:21,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 07:49:21,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 07:49:21,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:49:20" (1/3) ... [2020-12-09 07:49:21,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a275e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:49:21, skipping insertion in model container [2020-12-09 07:49:21,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:49:20" (2/3) ... [2020-12-09 07:49:21,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a275e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:49:21, skipping insertion in model container [2020-12-09 07:49:21,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:49:21" (3/3) ... [2020-12-09 07:49:21,941 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2020-12-09 07:49:21,953 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 07:49:21,956 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 07:49:21,964 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 07:49:21,982 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 07:49:21,982 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 07:49:21,982 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 07:49:21,983 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 07:49:21,983 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 07:49:21,983 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 07:49:21,983 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 07:49:21,983 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 07:49:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-12-09 07:49:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 07:49:22,002 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:49:22,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:49:22,002 INFO L429 AbstractCegarLoop]: === Iteration 1 === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:49:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:49:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash 437048265, now seen corresponding path program 1 times [2020-12-09 07:49:22,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:49:22,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748634067] [2020-12-09 07:49:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 07:49:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:49:22,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 07:49:22,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:49:22,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:49:22,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:49:22,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748634067] [2020-12-09 07:49:22,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:49:22,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 07:49:22,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952891852] [2020-12-09 07:49:22,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 07:49:22,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:49:22,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 07:49:22,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 07:49:22,280 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2020-12-09 07:49:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:49:22,316 INFO L93 Difference]: Finished difference Result 347 states and 566 transitions. [2020-12-09 07:49:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 07:49:22,317 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-09 07:49:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:49:22,326 INFO L225 Difference]: With dead ends: 347 [2020-12-09 07:49:22,326 INFO L226 Difference]: Without dead ends: 172 [2020-12-09 07:49:22,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 07:49:22,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-09 07:49:22,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2020-12-09 07:49:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-12-09 07:49:22,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 268 transitions. [2020-12-09 07:49:22,371 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 268 transitions. Word has length 19 [2020-12-09 07:49:22,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:49:22,371 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 268 transitions. [2020-12-09 07:49:22,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 07:49:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2020-12-09 07:49:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 07:49:22,373 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:49:22,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:49:22,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 07:49:22,575 INFO L429 AbstractCegarLoop]: === Iteration 2 === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:49:22,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:49:22,577 INFO L82 PathProgramCache]: Analyzing trace with hash -794654387, now seen corresponding path program 1 times [2020-12-09 07:49:22,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:49:22,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857677568] [2020-12-09 07:49:22,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 07:49:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:49:22,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 07:49:22,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:49:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:49:22,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:49:22,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857677568] [2020-12-09 07:49:22,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:49:22,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 07:49:22,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805560690] [2020-12-09 07:49:22,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:49:22,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:49:22,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:49:22,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:49:22,884 INFO L87 Difference]: Start difference. First operand 172 states and 268 transitions. Second operand 3 states. [2020-12-09 07:49:22,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:49:22,969 INFO L93 Difference]: Finished difference Result 486 states and 767 transitions. [2020-12-09 07:49:22,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:49:22,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-09 07:49:22,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:49:22,974 INFO L225 Difference]: With dead ends: 486 [2020-12-09 07:49:22,975 INFO L226 Difference]: Without dead ends: 319 [2020-12-09 07:49:22,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:49:22,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-12-09 07:49:22,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 173. [2020-12-09 07:49:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-12-09 07:49:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 269 transitions. [2020-12-09 07:49:22,996 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 269 transitions. Word has length 19 [2020-12-09 07:49:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:49:22,996 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 269 transitions. [2020-12-09 07:49:22,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:49:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 269 transitions. [2020-12-09 07:49:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 07:49:22,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:49:22,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:49:23,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 07:49:23,200 INFO L429 AbstractCegarLoop]: === Iteration 3 === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:49:23,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:49:23,202 INFO L82 PathProgramCache]: Analyzing trace with hash 57389583, now seen corresponding path program 1 times [2020-12-09 07:49:23,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:49:23,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590491170] [2020-12-09 07:49:23,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 07:49:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:49:23,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:49:23,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:49:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:49:23,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:49:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:49:23,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590491170] [2020-12-09 07:49:23,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1037263451] [2020-12-09 07:49:23,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt [2020-12-09 07:49:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:49:23,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:49:23,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:49:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 07:49:23,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:49:23,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 07:49:23,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2020-12-09 07:49:23,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523197108] [2020-12-09 07:49:23,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 07:49:23,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:49:23,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 07:49:23,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 07:49:23,733 INFO L87 Difference]: Start difference. First operand 173 states and 269 transitions. Second operand 4 states. [2020-12-09 07:49:23,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:49:23,785 INFO L93 Difference]: Finished difference Result 210 states and 313 transitions. [2020-12-09 07:49:23,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 07:49:23,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-12-09 07:49:23,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:49:23,788 INFO L225 Difference]: With dead ends: 210 [2020-12-09 07:49:23,788 INFO L226 Difference]: Without dead ends: 188 [2020-12-09 07:49:23,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-09 07:49:23,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-09 07:49:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2020-12-09 07:49:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-12-09 07:49:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 285 transitions. [2020-12-09 07:49:23,802 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 285 transitions. Word has length 21 [2020-12-09 07:49:23,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:49:23,802 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 285 transitions. [2020-12-09 07:49:23,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 07:49:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 285 transitions. [2020-12-09 07:49:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 07:49:23,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:49:23,805 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:49:24,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt [2020-12-09 07:49:24,207 INFO L429 AbstractCegarLoop]: === Iteration 4 === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:49:24,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:49:24,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2115889006, now seen corresponding path program 1 times [2020-12-09 07:49:24,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:49:24,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465172373] [2020-12-09 07:49:24,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 07:49:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:49:24,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:49:24,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:49:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 07:49:24,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:49:24,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 07:49:24,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465172373] [2020-12-09 07:49:24,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2106823404] [2020-12-09 07:49:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt [2020-12-09 07:49:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:49:24,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 07:49:24,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:49:24,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 07:49:24,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 07:49:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 07:49:24,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751500621] [2020-12-09 07:49:24,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:49:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:49:24,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 07:49:24,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:49:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 07:49:24,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:49:24,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 07:49:24,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4, 6, 6] total 15 [2020-12-09 07:49:24,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511369587] [2020-12-09 07:49:24,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:49:24,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:49:24,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:49:24,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-12-09 07:49:24,912 INFO L87 Difference]: Start difference. First operand 186 states and 285 transitions. Second operand 3 states. [2020-12-09 07:49:24,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:49:24,920 INFO L93 Difference]: Finished difference Result 198 states and 299 transitions. [2020-12-09 07:49:24,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:49:24,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-09 07:49:24,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:49:24,921 INFO L225 Difference]: With dead ends: 198 [2020-12-09 07:49:24,921 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 07:49:24,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-12-09 07:49:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 07:49:24,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 07:49:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 07:49:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 07:49:24,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-09 07:49:24,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:49:24,923 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 07:49:24,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:49:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 07:49:24,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 07:49:25,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt,6 mathsat -unsat_core_generation=3,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 07:49:25,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point L313(lines 313 320) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point L280(lines 280 294) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point L487(lines 487 490) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L262 CegarLoopResult]: For program point Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2020-12-09 07:49:25,621 INFO L258 CegarLoopResult]: At program point L487-2(lines 485 492) the Hoare annotation is: (and (or (= (bvadd Id_MCDC_113_~Id_MCDC_111 (_ bv4294967292 32)) (_ bv0 32)) (not (= (_ bv4 32) |Id_MCDC_113_#in~Id_MCDC_111|))) (= (_ bv1 32) Id_MCDC_113___VERIFIER_assert_~Id_MCDC_121)) [2020-12-09 07:49:25,622 INFO L265 CegarLoopResult]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point L9(lines 9 15) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point L9-1(lines 9 15) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point L286(lines 286 294) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L258 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (or (= (bvadd Id_MCDC_113_~Id_MCDC_111 (_ bv4294967292 32)) (_ bv0 32)) (not (= (_ bv4 32) |Id_MCDC_113_#in~Id_MCDC_111|))) [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point L315-1(line 315) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L265 CegarLoopResult]: At program point L303(lines 274 304) the Hoare annotation is: true [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point L295-1(lines 275 304) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point L295-2(lines 295 302) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L262 CegarLoopResult]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2020-12-09 07:49:25,622 INFO L265 CegarLoopResult]: At program point L234(lines 234 250) the Hoare annotation is: true [2020-12-09 07:49:25,622 INFO L265 CegarLoopResult]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2020-12-09 07:49:25,623 INFO L265 CegarLoopResult]: At program point L234-1(lines 234 250) the Hoare annotation is: true [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L265 CegarLoopResult]: At program point L234-2(lines 234 250) the Hoare annotation is: true [2020-12-09 07:49:25,623 INFO L265 CegarLoopResult]: At program point L234-3(lines 234 250) the Hoare annotation is: true [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L265 CegarLoopResult]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L401-4(lines 401 418) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L236-2(line 236) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L236-3(line 236) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L236-5(line 236) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L236-6(line 236) no Hoare annotation was computed. [2020-12-09 07:49:25,623 INFO L262 CegarLoopResult]: For program point L236-8(line 236) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L236-9(line 236) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L236-11(line 236) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L336(lines 336 339) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L237-2(line 237) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L237-4(line 237) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L237-6(line 237) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L403(lines 403 406) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L265 CegarLoopResult]: At program point L272(lines 218 273) the Hoare annotation is: true [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L265 CegarLoopResult]: At program point L272-1(lines 218 273) the Hoare annotation is: true [2020-12-09 07:49:25,624 INFO L265 CegarLoopResult]: At program point L272-2(lines 218 273) the Hoare annotation is: true [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L239-2(line 239) no Hoare annotation was computed. [2020-12-09 07:49:25,624 INFO L265 CegarLoopResult]: At program point L272-3(lines 218 273) the Hoare annotation is: true [2020-12-09 07:49:25,624 INFO L262 CegarLoopResult]: For program point L239-3(line 239) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L239-5(line 239) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L239-6(line 239) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L239-8(line 239) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L239-9(line 239) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L239-11(line 239) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L240-2(line 240) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L240-4(line 240) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L240-6(line 240) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L341-2(line 341) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L341-3(line 341) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L242-2(line 242) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L341-5(lines 341 353) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L242-3(line 242) no Hoare annotation was computed. [2020-12-09 07:49:25,625 INFO L262 CegarLoopResult]: For program point L242-5(line 242) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L242-6(line 242) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L242-8(line 242) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L242-9(line 242) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L242-11(line 242) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L243-2(line 243) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L243-4(line 243) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L243-6(line 243) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L343(lines 343 348) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L343-1(lines 341 353) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L265 CegarLoopResult]: At program point L443(lines 452 484) the Hoare annotation is: true [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L377-2(lines 377 380) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L265 CegarLoopResult]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2020-12-09 07:49:25,626 INFO L262 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L245-2(line 245) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L245-3(line 245) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L245-5(line 245) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L245-6(line 245) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L245-8(line 245) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L245-9(line 245) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L245-11(line 245) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L246-2(line 246) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L246-4(line 246) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L246-6(line 246) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L478(lines 478 481) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L248-2(line 248) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L248-4(line 248) no Hoare annotation was computed. [2020-12-09 07:49:25,627 INFO L262 CegarLoopResult]: For program point L248-6(line 248) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L414(lines 414 417) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L381(lines 381 422) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L383-2(lines 383 421) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L265 CegarLoopResult]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L265 CegarLoopResult]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L251-6(lines 251 258) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L265 CegarLoopResult]: At program point L251-8(lines 251 258) the Hoare annotation is: true [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L251-9(lines 251 258) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L251-11(lines 251 258) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L265 CegarLoopResult]: At program point L251-13(lines 251 258) the Hoare annotation is: true [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L251-14(lines 251 258) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L251-16(lines 251 258) no Hoare annotation was computed. [2020-12-09 07:49:25,628 INFO L265 CegarLoopResult]: At program point L251-18(lines 251 258) the Hoare annotation is: true [2020-12-09 07:49:25,628 INFO L262 CegarLoopResult]: For program point L251-19(lines 251 258) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L386(lines 386 389) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L254(lines 254 257) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L254-1(lines 254 257) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L254-2(lines 254 257) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L254-3(lines 254 257) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L265 CegarLoopResult]: At program point L354(lines 325 355) the Hoare annotation is: true [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L223(lines 223 226) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L223-1(lines 223 226) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L223-2(lines 223 226) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L223-3(lines 223 226) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L265 CegarLoopResult]: At program point L423(lines 356 424) the Hoare annotation is: true [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L390(lines 390 393) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L259-2(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L259-3(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,629 INFO L262 CegarLoopResult]: For program point L259-5(lines 259 271) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-6(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-8(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-9(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-11(lines 259 271) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-12(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-14(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-15(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-17(lines 259 271) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-18(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-20(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-21(line 259) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L259-23(lines 259 271) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L227(lines 227 233) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L227-2(lines 227 233) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L227-3(lines 227 233) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L227-5(lines 227 233) no Hoare annotation was computed. [2020-12-09 07:49:25,630 INFO L262 CegarLoopResult]: For program point L227-6(lines 227 233) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L227-8(lines 227 233) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L227-9(lines 227 233) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L227-11(lines 227 233) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L261(lines 261 266) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L261-1(lines 259 271) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L261-2(lines 261 266) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L261-3(lines 259 271) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L261-4(lines 261 266) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L261-5(lines 259 271) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L261-6(lines 261 266) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L261-7(lines 259 271) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L229(lines 229 232) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L229-1(lines 229 232) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L229-2(lines 229 232) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L229-3(lines 229 232) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L329(lines 329 332) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 07:49:25,631 INFO L262 CegarLoopResult]: For program point L396(lines 396 399) no Hoare annotation was computed. [2020-12-09 07:49:25,632 INFO L262 CegarLoopResult]: For program point L431-2(lines 431 441) no Hoare annotation was computed. [2020-12-09 07:49:25,632 INFO L265 CegarLoopResult]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2020-12-09 07:49:25,632 INFO L265 CegarLoopResult]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2020-12-09 07:49:25,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:49:25 BoogieIcfgContainer [2020-12-09 07:49:25,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 07:49:25,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 07:49:25,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 07:49:25,643 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 07:49:25,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:49:21" (3/4) ... [2020-12-09 07:49:25,645 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 07:49:25,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2020-12-09 07:49:25,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-12-09 07:49:25,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-09 07:49:25,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-09 07:49:25,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 07:49:25,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:49:25,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:49:25,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~bvadd64(Id_MCDC_111, 4294967292bv32) == 0bv32 || !(4bv32 == \old(Id_MCDC_111))) && 1bv32 == Id_MCDC_121 [2020-12-09 07:49:25,791 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1af31e65-9190-4201-823d-c11f58bc6dfc/bin/utaipan/witness.graphml [2020-12-09 07:49:25,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 07:49:25,793 INFO L168 Benchmark]: Toolchain (without parser) took 5358.77 ms. Allocated memory was 48.2 MB in the beginning and 117.4 MB in the end (delta: 69.2 MB). Free memory was 24.2 MB in the beginning and 65.0 MB in the end (delta: -40.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:25,793 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 48.2 MB. Free memory is still 31.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:49:25,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.14 ms. Allocated memory was 48.2 MB in the beginning and 77.6 MB in the end (delta: 29.4 MB). Free memory was 24.0 MB in the beginning and 49.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:25,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.64 ms. Allocated memory is still 77.6 MB. Free memory was 49.3 MB in the beginning and 44.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:25,794 INFO L168 Benchmark]: Boogie Preprocessor took 61.91 ms. Allocated memory is still 77.6 MB. Free memory was 44.6 MB in the beginning and 56.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:25,795 INFO L168 Benchmark]: RCFGBuilder took 1010.33 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 56.2 MB in the beginning and 56.1 MB in the end (delta: 107.6 kB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:25,795 INFO L168 Benchmark]: TraceAbstraction took 3707.21 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 56.1 MB in the beginning and 81.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:25,796 INFO L168 Benchmark]: Witness Printer took 148.81 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 07:49:25,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 48.2 MB. Free memory is still 31.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 374.14 ms. Allocated memory was 48.2 MB in the beginning and 77.6 MB in the end (delta: 29.4 MB). Free memory was 24.0 MB in the beginning and 49.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.64 ms. Allocated memory is still 77.6 MB. Free memory was 49.3 MB in the beginning and 44.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.91 ms. Allocated memory is still 77.6 MB. Free memory was 44.6 MB in the beginning and 56.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1010.33 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 56.2 MB in the beginning and 56.1 MB in the end (delta: 107.6 kB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3707.21 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 56.1 MB in the beginning and 81.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. * Witness Printer took 148.81 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 489]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: (~bvadd64(Id_MCDC_111, 4294967292bv32) == 0bv32 || !(4bv32 == \old(Id_MCDC_111))) && 1bv32 == Id_MCDC_121 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 176 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1254 SDtfs, 284 SDslu, 1052 SDs, 0 SdLazy, 23 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 148 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 49 PreInvPairs, 80 NumberOfFragments, 47 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 11 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 7160 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1622 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 13/23 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 proved your program to be correct! Received shutdown request...