./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash deff6a97140addc4d6672f6514478d070bc0bf8147fe2e13f4c7d44cceab987e ........................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash deff6a97140addc4d6672f6514478d070bc0bf8147fe2e13f4c7d44cceab987e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:32:35,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:32:35,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:32:35,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:32:35,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:32:35,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:32:35,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:32:35,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:32:35,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:32:35,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:32:35,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:32:35,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:32:35,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:32:35,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:32:35,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:32:35,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:32:35,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:32:35,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:32:35,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:32:35,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:32:35,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:32:35,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:32:35,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:32:35,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:32:35,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:32:35,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:32:35,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:32:35,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:32:35,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:32:35,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:32:35,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:32:35,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:32:35,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:32:35,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:32:35,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:32:35,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:32:35,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:32:35,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:32:35,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:32:35,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:32:35,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:32:35,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:32:35,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:32:35,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:32:35,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:32:35,362 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:32:35,363 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:32:35,363 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:32:35,363 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:32:35,364 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:32:35,364 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:32:35,365 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:32:35,365 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:32:35,366 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:32:35,366 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:32:35,366 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:32:35,367 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:32:35,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:32:35,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:32:35,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:32:35,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:32:35,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:32:35,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:32:35,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:32:35,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:32:35,371 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:32:35,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:32:35,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:32:35,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:32:35,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:32:35,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:32:35,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:32:35,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:32:35,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:32:35,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:32:35,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:32:35,374 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:32:35,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:32:35,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:32:35,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:32:35,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:32:35,375 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deff6a97140addc4d6672f6514478d070bc0bf8147fe2e13f4c7d44cceab987e [2021-10-29 05:32:35,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:32:35,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:32:35,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:32:35,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:32:35,762 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:32:35,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2021-10-29 05:32:35,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data/ad699bb1f/fa1a8ad16092452492b563226af0b701/FLAG59cd34a2e [2021-10-29 05:32:36,477 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:32:36,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c [2021-10-29 05:32:36,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data/ad699bb1f/fa1a8ad16092452492b563226af0b701/FLAG59cd34a2e [2021-10-29 05:32:36,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data/ad699bb1f/fa1a8ad16092452492b563226af0b701 [2021-10-29 05:32:36,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:32:36,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:32:36,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:32:36,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:32:36,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:32:36,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:32:36" (1/1) ... [2021-10-29 05:32:36,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6d7457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:36, skipping insertion in model container [2021-10-29 05:32:36,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:32:36" (1/1) ... [2021-10-29 05:32:36,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:32:36,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:32:37,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[300,313] [2021-10-29 05:32:37,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[343,356] [2021-10-29 05:32:37,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[388,401] [2021-10-29 05:32:37,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[430,443] [2021-10-29 05:32:37,127 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[473,486] [2021-10-29 05:32:37,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[518,531] [2021-10-29 05:32:37,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[564,577] [2021-10-29 05:32:37,133 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[609,622] [2021-10-29 05:32:37,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[652,665] [2021-10-29 05:32:37,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[715,728] [2021-10-29 05:32:37,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[760,773] [2021-10-29 05:32:37,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[807,820] [2021-10-29 05:32:37,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[851,864] [2021-10-29 05:32:37,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[896,909] [2021-10-29 05:32:37,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[943,956] [2021-10-29 05:32:37,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[991,1004] [2021-10-29 05:32:37,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1038,1051] [2021-10-29 05:32:37,157 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1083,1096] [2021-10-29 05:32:37,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1145,1158] [2021-10-29 05:32:37,159 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1188,1201] [2021-10-29 05:32:37,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1232,1245] [2021-10-29 05:32:37,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1276,1289] [2021-10-29 05:32:37,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1314,1327] [2021-10-29 05:32:37,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1352,1365] [2021-10-29 05:32:37,167 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1391,1404] [2021-10-29 05:32:37,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1430,1443] [2021-10-29 05:32:37,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1482,1495] [2021-10-29 05:32:37,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1533,1546] [2021-10-29 05:32:37,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1583,1596] [2021-10-29 05:32:37,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1635,1648] [2021-10-29 05:32:37,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:32:37,183 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:32:37,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[300,313] [2021-10-29 05:32:37,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[343,356] [2021-10-29 05:32:37,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[388,401] [2021-10-29 05:32:37,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[430,443] [2021-10-29 05:32:37,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[473,486] [2021-10-29 05:32:37,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[518,531] [2021-10-29 05:32:37,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[564,577] [2021-10-29 05:32:37,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[609,622] [2021-10-29 05:32:37,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[652,665] [2021-10-29 05:32:37,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[715,728] [2021-10-29 05:32:37,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[760,773] [2021-10-29 05:32:37,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[807,820] [2021-10-29 05:32:37,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[851,864] [2021-10-29 05:32:37,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[896,909] [2021-10-29 05:32:37,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[943,956] [2021-10-29 05:32:37,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[991,1004] [2021-10-29 05:32:37,211 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1038,1051] [2021-10-29 05:32:37,212 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1083,1096] [2021-10-29 05:32:37,212 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1145,1158] [2021-10-29 05:32:37,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1188,1201] [2021-10-29 05:32:37,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1232,1245] [2021-10-29 05:32:37,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1276,1289] [2021-10-29 05:32:37,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1314,1327] [2021-10-29 05:32:37,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1352,1365] [2021-10-29 05:32:37,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1391,1404] [2021-10-29 05:32:37,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1430,1443] [2021-10-29 05:32:37,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1482,1495] [2021-10-29 05:32:37,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1533,1546] [2021-10-29 05:32:37,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1583,1596] [2021-10-29 05:32:37,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1635,1648] [2021-10-29 05:32:37,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:32:37,238 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:32:37,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37 WrapperNode [2021-10-29 05:32:37,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:32:37,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:32:37,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:32:37,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:32:37,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:32:37,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:32:37,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:32:37,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:32:37,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:32:37,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:32:37,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:32:37,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:32:37,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (1/1) ... [2021-10-29 05:32:37,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:32:37,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:32:37,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:32:37,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:32:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:32:37,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:32:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:32:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:32:37,785 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:32:37,785 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 05:32:37,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:32:37 BoogieIcfgContainer [2021-10-29 05:32:37,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:32:37,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:32:37,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:32:37,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:32:37,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:32:36" (1/3) ... [2021-10-29 05:32:37,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45165272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:32:37, skipping insertion in model container [2021-10-29 05:32:37,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:37" (2/3) ... [2021-10-29 05:32:37,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45165272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:32:37, skipping insertion in model container [2021-10-29 05:32:37,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:32:37" (3/3) ... [2021-10-29 05:32:37,799 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2021-10-29 05:32:37,805 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:32:37,806 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-10-29 05:32:37,877 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:32:37,884 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:32:37,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-10-29 05:32:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 62 states have (on average 1.967741935483871) internal successors, (122), 92 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:32:37,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 05:32:37,912 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:32:37,913 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 05:32:37,914 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-10-29 05:32:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:32:37,920 INFO L85 PathProgramCache]: Analyzing trace with hash 265397, now seen corresponding path program 1 times [2021-10-29 05:32:37,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:32:37,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860796896] [2021-10-29 05:32:37,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:32:37,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:32:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:32:38,128 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:32:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:32:38,190 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:32:38,194 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:32:38,196 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,199 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,200 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,204 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,207 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,208 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,209 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,210 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,211 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,222 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,223 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,226 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,232 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:38,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:32:38,239 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:32:38,243 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:32:38,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:32:38 BoogieIcfgContainer [2021-10-29 05:32:38,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:32:38,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:32:38,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:32:38,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:32:38,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:32:37" (3/4) ... [2021-10-29 05:32:38,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 05:32:38,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:32:38,286 INFO L168 Benchmark]: Toolchain (without parser) took 1459.47 ms. Allocated memory is still 134.2 MB. Free memory was 101.4 MB in the beginning and 73.8 MB in the end (delta: 27.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:38,287 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory is still 33.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:32:38,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.88 ms. Allocated memory is still 134.2 MB. Free memory was 101.1 MB in the beginning and 104.9 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:38,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.01 ms. Allocated memory is still 134.2 MB. Free memory was 104.9 MB in the beginning and 103.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:38,289 INFO L168 Benchmark]: Boogie Preprocessor took 30.94 ms. Allocated memory is still 134.2 MB. Free memory was 103.1 MB in the beginning and 102.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:32:38,293 INFO L168 Benchmark]: RCFGBuilder took 462.07 ms. Allocated memory is still 134.2 MB. Free memory was 101.8 MB in the beginning and 89.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:38,294 INFO L168 Benchmark]: TraceAbstraction took 479.10 ms. Allocated memory is still 134.2 MB. Free memory was 88.8 MB in the beginning and 74.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:38,297 INFO L168 Benchmark]: Witness Printer took 5.94 ms. Allocated memory is still 134.2 MB. Free memory was 74.1 MB in the beginning and 73.8 MB in the end (delta: 330.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:32:38,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory is still 33.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 405.88 ms. Allocated memory is still 134.2 MB. Free memory was 101.1 MB in the beginning and 104.9 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.01 ms. Allocated memory is still 134.2 MB. Free memory was 104.9 MB in the beginning and 103.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.94 ms. Allocated memory is still 134.2 MB. Free memory was 103.1 MB in the beginning and 102.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 462.07 ms. Allocated memory is still 134.2 MB. Free memory was 101.8 MB in the beginning and 89.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 479.10 ms. Allocated memory is still 134.2 MB. Free memory was 88.8 MB in the beginning and 74.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.94 ms. Allocated memory is still 134.2 MB. Free memory was 74.1 MB in the beginning and 73.8 MB in the end (delta: 330.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0<2.5) [L7] reach_error() - UnprovableResult [Line: 8]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 31]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 38]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 05:32:38,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:32:41,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:32:41,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:32:41,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:32:41,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:32:41,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:32:41,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:32:41,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:32:41,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:32:41,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:32:41,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:32:41,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:32:41,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:32:41,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:32:41,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:32:41,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:32:41,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:32:41,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:32:41,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:32:41,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:32:41,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:32:41,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:32:41,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:32:41,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:32:41,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:32:41,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:32:41,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:32:41,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:32:41,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:32:41,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:32:41,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:32:41,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:32:41,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:32:41,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:32:41,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:32:41,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:32:41,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:32:41,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:32:41,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:32:41,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:32:41,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:32:41,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:32:41,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:32:41,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:32:41,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:32:41,262 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:32:41,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:32:41,263 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:32:41,263 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:32:41,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:32:41,263 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:32:41,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:32:41,267 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:32:41,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:32:41,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:32:41,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:32:41,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:32:41,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:32:41,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:32:41,269 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:32:41,269 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:32:41,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:32:41,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:32:41,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:32:41,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:32:41,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:32:41,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:32:41,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:32:41,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:32:41,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:32:41,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:32:41,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:32:41,272 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:32:41,273 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:32:41,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:32:41,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:32:41,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:32:41,274 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deff6a97140addc4d6672f6514478d070bc0bf8147fe2e13f4c7d44cceab987e [2021-10-29 05:32:41,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:32:41,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:32:41,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:32:41,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:32:41,727 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:32:41,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2021-10-29 05:32:41,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data/9856ecbc6/d374a4c1a88346948dea1ea08372bd43/FLAG03e29b1ad [2021-10-29 05:32:42,352 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:32:42,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c [2021-10-29 05:32:42,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data/9856ecbc6/d374a4c1a88346948dea1ea08372bd43/FLAG03e29b1ad [2021-10-29 05:32:42,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/data/9856ecbc6/d374a4c1a88346948dea1ea08372bd43 [2021-10-29 05:32:42,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:32:42,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:32:42,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:32:42,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:32:42,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:32:42,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:32:42" (1/1) ... [2021-10-29 05:32:42,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c718353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:42, skipping insertion in model container [2021-10-29 05:32:42,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:32:42" (1/1) ... [2021-10-29 05:32:42,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:32:42,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:32:42,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[300,313] [2021-10-29 05:32:42,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[343,356] [2021-10-29 05:32:42,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[388,401] [2021-10-29 05:32:42,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[430,443] [2021-10-29 05:32:42,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[473,486] [2021-10-29 05:32:42,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[518,531] [2021-10-29 05:32:42,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[564,577] [2021-10-29 05:32:42,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[609,622] [2021-10-29 05:32:42,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[652,665] [2021-10-29 05:32:42,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[715,728] [2021-10-29 05:32:42,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[760,773] [2021-10-29 05:32:42,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[807,820] [2021-10-29 05:32:42,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[851,864] [2021-10-29 05:32:42,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[896,909] [2021-10-29 05:32:42,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[943,956] [2021-10-29 05:32:42,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[991,1004] [2021-10-29 05:32:42,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1038,1051] [2021-10-29 05:32:42,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1083,1096] [2021-10-29 05:32:42,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1145,1158] [2021-10-29 05:32:42,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1188,1201] [2021-10-29 05:32:42,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1232,1245] [2021-10-29 05:32:42,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1276,1289] [2021-10-29 05:32:42,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1314,1327] [2021-10-29 05:32:42,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1352,1365] [2021-10-29 05:32:42,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1391,1404] [2021-10-29 05:32:42,997 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1430,1443] [2021-10-29 05:32:42,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1482,1495] [2021-10-29 05:32:42,999 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1533,1546] [2021-10-29 05:32:43,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1583,1596] [2021-10-29 05:32:43,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1635,1648] [2021-10-29 05:32:43,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:32:43,020 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:32:43,035 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[300,313] [2021-10-29 05:32:43,036 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[343,356] [2021-10-29 05:32:43,037 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[388,401] [2021-10-29 05:32:43,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[430,443] [2021-10-29 05:32:43,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[473,486] [2021-10-29 05:32:43,040 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[518,531] [2021-10-29 05:32:43,041 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[564,577] [2021-10-29 05:32:43,042 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[609,622] [2021-10-29 05:32:43,043 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[652,665] [2021-10-29 05:32:43,044 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[715,728] [2021-10-29 05:32:43,045 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[760,773] [2021-10-29 05:32:43,046 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[807,820] [2021-10-29 05:32:43,046 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[851,864] [2021-10-29 05:32:43,048 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[896,909] [2021-10-29 05:32:43,048 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[943,956] [2021-10-29 05:32:43,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[991,1004] [2021-10-29 05:32:43,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1038,1051] [2021-10-29 05:32:43,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1083,1096] [2021-10-29 05:32:43,053 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1145,1158] [2021-10-29 05:32:43,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1188,1201] [2021-10-29 05:32:43,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1232,1245] [2021-10-29 05:32:43,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1276,1289] [2021-10-29 05:32:43,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1314,1327] [2021-10-29 05:32:43,057 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1352,1365] [2021-10-29 05:32:43,058 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1391,1404] [2021-10-29 05:32:43,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1430,1443] [2021-10-29 05:32:43,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1482,1495] [2021-10-29 05:32:43,061 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1533,1546] [2021-10-29 05:32:43,062 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1583,1596] [2021-10-29 05:32:43,064 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/sv-benchmarks/c/floats-cbmc-regression/float11.c[1635,1648] [2021-10-29 05:32:43,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:32:43,133 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:32:43,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43 WrapperNode [2021-10-29 05:32:43,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:32:43,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:32:43,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:32:43,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:32:43,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:32:43,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:32:43,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:32:43,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:32:43,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:32:43,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:32:43,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:32:43,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:32:43,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (1/1) ... [2021-10-29 05:32:43,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:32:43,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:32:43,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:32:43,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:32:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:32:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:32:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:32:43,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:32:43,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:32:43,899 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 05:32:43,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:32:43 BoogieIcfgContainer [2021-10-29 05:32:43,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:32:43,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:32:43,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:32:43,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:32:43,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:32:42" (1/3) ... [2021-10-29 05:32:43,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecdf1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:32:43, skipping insertion in model container [2021-10-29 05:32:43,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:32:43" (2/3) ... [2021-10-29 05:32:43,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecdf1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:32:43, skipping insertion in model container [2021-10-29 05:32:43,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:32:43" (3/3) ... [2021-10-29 05:32:43,925 INFO L111 eAbstractionObserver]: Analyzing ICFG float11.c [2021-10-29 05:32:43,931 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:32:43,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-10-29 05:32:43,997 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:32:44,006 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:32:44,006 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-10-29 05:32:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 64 states have (on average 1.9375) internal successors, (124), 94 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:32:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 05:32:44,034 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:32:44,034 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-29 05:32:44,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-10-29 05:32:44,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:32:44,044 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-10-29 05:32:44,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:32:44,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216068409] [2021-10-29 05:32:44,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:32:44,058 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:32:44,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:32:44,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:32:44,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:32:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:32:44,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:32:44,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:32:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:32:44,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:32:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:32:44,263 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:32:44,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216068409] [2021-10-29 05:32:44,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216068409] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:32:44,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:32:44,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:32:44,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697368470] [2021-10-29 05:32:44,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:32:44,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:32:44,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:32:44,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:32:44,303 INFO L87 Difference]: Start difference. First operand has 95 states, 64 states have (on average 1.9375) internal successors, (124), 94 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:32:44,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:32:44,324 INFO L93 Difference]: Finished difference Result 127 states and 184 transitions. [2021-10-29 05:32:44,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:32:44,326 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-29 05:32:44,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:32:44,333 INFO L225 Difference]: With dead ends: 127 [2021-10-29 05:32:44,333 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:32:44,337 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:32:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:32:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:32:44,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:32:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:32:44,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-29 05:32:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:32:44,364 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:32:44,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:32:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:32:44,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:32:44,368 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,368 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,369 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,369 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,369 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,370 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,370 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,370 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,371 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,371 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,371 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,372 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,372 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,372 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,373 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,373 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,373 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,374 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,374 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,374 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,374 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,375 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,375 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,375 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,376 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,376 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,376 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,377 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,377 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,377 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:32:44,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:32:44,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:32:44,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:32:44,596 INFO L857 garLoopResultBuilder]: For program point L35-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,597 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2021-10-29 05:32:44,597 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-10-29 05:32:44,597 INFO L857 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2021-10-29 05:32:44,597 INFO L857 garLoopResultBuilder]: For program point L19-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,598 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2021-10-29 05:32:44,598 INFO L857 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2021-10-29 05:32:44,598 INFO L857 garLoopResultBuilder]: For program point L36-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,598 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:32:44,598 INFO L857 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2021-10-29 05:32:44,598 INFO L857 garLoopResultBuilder]: For program point L20-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,599 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2021-10-29 05:32:44,599 INFO L857 garLoopResultBuilder]: For program point L4(lines 4 42) no Hoare annotation was computed. [2021-10-29 05:32:44,599 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2021-10-29 05:32:44,599 INFO L857 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-10-29 05:32:44,600 INFO L857 garLoopResultBuilder]: For program point L21-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,600 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2021-10-29 05:32:44,600 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-29 05:32:44,600 INFO L857 garLoopResultBuilder]: For program point L38-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,601 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-10-29 05:32:44,601 INFO L857 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2021-10-29 05:32:44,601 INFO L857 garLoopResultBuilder]: For program point L22-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,601 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2021-10-29 05:32:44,601 INFO L857 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2021-10-29 05:32:44,602 INFO L857 garLoopResultBuilder]: For program point L39-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,602 INFO L857 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2021-10-29 05:32:44,602 INFO L857 garLoopResultBuilder]: For program point L23-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,602 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-29 05:32:44,602 INFO L857 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2021-10-29 05:32:44,602 INFO L857 garLoopResultBuilder]: For program point L7-1(line 7) no Hoare annotation was computed. [2021-10-29 05:32:44,603 INFO L857 garLoopResultBuilder]: For program point L40-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,603 INFO L857 garLoopResultBuilder]: For program point L7-3(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,603 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2021-10-29 05:32:44,603 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-10-29 05:32:44,603 INFO L857 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-10-29 05:32:44,604 INFO L857 garLoopResultBuilder]: For program point L24-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,604 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2021-10-29 05:32:44,606 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-29 05:32:44,607 INFO L857 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-10-29 05:32:44,607 INFO L857 garLoopResultBuilder]: For program point L8-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,608 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:32:44,608 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-10-29 05:32:44,609 INFO L857 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2021-10-29 05:32:44,609 INFO L857 garLoopResultBuilder]: For program point L25-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,610 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 29) no Hoare annotation was computed. [2021-10-29 05:32:44,611 INFO L857 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2021-10-29 05:32:44,616 INFO L857 garLoopResultBuilder]: For program point L9-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,617 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2021-10-29 05:32:44,617 INFO L857 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2021-10-29 05:32:44,617 INFO L857 garLoopResultBuilder]: For program point L26-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,617 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2021-10-29 05:32:44,618 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2021-10-29 05:32:44,618 INFO L857 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2021-10-29 05:32:44,618 INFO L857 garLoopResultBuilder]: For program point L10-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,619 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2021-10-29 05:32:44,619 INFO L857 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2021-10-29 05:32:44,619 INFO L857 garLoopResultBuilder]: For program point L11-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,620 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2021-10-29 05:32:44,620 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2021-10-29 05:32:44,620 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:32:44,620 INFO L857 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2021-10-29 05:32:44,621 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2021-10-29 05:32:44,621 INFO L857 garLoopResultBuilder]: For program point L12-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,622 INFO L857 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2021-10-29 05:32:44,625 INFO L857 garLoopResultBuilder]: For program point L29-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,629 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2021-10-29 05:32:44,630 INFO L857 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-10-29 05:32:44,630 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2021-10-29 05:32:44,630 INFO L857 garLoopResultBuilder]: For program point L13-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,630 INFO L857 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-10-29 05:32:44,630 INFO L857 garLoopResultBuilder]: For program point L30-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,630 INFO L857 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2021-10-29 05:32:44,631 INFO L857 garLoopResultBuilder]: For program point L14-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,631 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2021-10-29 05:32:44,631 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-10-29 05:32:44,631 INFO L857 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2021-10-29 05:32:44,631 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,631 INFO L857 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-29 05:32:44,631 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2021-10-29 05:32:44,632 INFO L857 garLoopResultBuilder]: For program point L15-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,632 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-29 05:32:44,632 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:32:44,632 INFO L857 garLoopResultBuilder]: For program point L32-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,632 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2021-10-29 05:32:44,632 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2021-10-29 05:32:44,632 INFO L857 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2021-10-29 05:32:44,633 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,633 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-29 05:32:44,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2021-10-29 05:32:44,633 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-29 05:32:44,633 INFO L857 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2021-10-29 05:32:44,634 INFO L857 garLoopResultBuilder]: For program point L18-2(lines 5 42) no Hoare annotation was computed. [2021-10-29 05:32:44,634 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2021-10-29 05:32:44,634 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-29 05:32:44,637 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:32:44,639 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:32:44,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:32:44 BoogieIcfgContainer [2021-10-29 05:32:44,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:32:44,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:32:44,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:32:44,645 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:32:44,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:32:43" (3/4) ... [2021-10-29 05:32:44,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:32:44,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 05:32:44,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:32:44,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:32:44,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:32:44,731 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:32:44,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:32:44,733 INFO L168 Benchmark]: Toolchain (without parser) took 2010.14 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 61.4 MB in the beginning and 56.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:44,734 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory is still 59.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:32:44,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.92 ms. Allocated memory is still 77.6 MB. Free memory was 61.4 MB in the beginning and 60.9 MB in the end (delta: 483.0 kB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:44,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.96 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 59.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:32:44,735 INFO L168 Benchmark]: Boogie Preprocessor took 69.11 ms. Allocated memory is still 77.6 MB. Free memory was 59.2 MB in the beginning and 57.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:32:44,735 INFO L168 Benchmark]: RCFGBuilder took 620.91 ms. Allocated memory is still 77.6 MB. Free memory was 57.6 MB in the beginning and 45.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:44,736 INFO L168 Benchmark]: TraceAbstraction took 740.10 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 60.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:44,737 INFO L168 Benchmark]: Witness Printer took 86.69 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 56.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:32:44,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory is still 59.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.92 ms. Allocated memory is still 77.6 MB. Free memory was 61.4 MB in the beginning and 60.9 MB in the end (delta: 483.0 kB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.96 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 59.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.11 ms. Allocated memory is still 77.6 MB. Free memory was 59.2 MB in the beginning and 57.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 620.91 ms. Allocated memory is still 77.6 MB. Free memory was 57.6 MB in the beginning and 45.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 740.10 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 60.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. * Witness Printer took 86.69 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 56.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 9]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 10]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 22]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 23]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 24]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 25]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 26]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 29]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 30]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 31]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 32]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 34]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 36]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 38]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 39]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 40]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 41]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 05:32:44,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f532fb-710f-4057-abe6-c4e6f0ea4027/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...