./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10a40ae7adec46612fdb7803d59192d0369e9c54 .................................................................................................................................................................................................................................................................................................................................... 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_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10a40ae7adec46612fdb7803d59192d0369e9c54 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:39,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:39,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:39,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:39,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:39,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:39,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:39,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:39,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:39,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:39,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:39,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:39,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:39,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:39,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:39,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:39,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:39,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:39,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:39,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:39,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:39,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:39,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:39,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:39,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:39,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:39,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:39,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:39,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:39,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:39,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:39,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:39,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:39,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:39,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:39,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:39,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:39,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:39,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:39,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:39,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:39,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:58:39,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:39,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:39,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:39,736 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:39,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:39,736 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:39,736 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:58:39,737 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:39,737 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:39,737 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:58:39,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:58:39,739 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:39,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:58:39,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:58:39,740 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:58:39,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:39,741 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:39,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:58:39,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:39,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:39,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:39,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:39,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:39,743 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:39,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:39,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:39,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:39,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:39,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:39,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:39,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:39,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:39,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:39,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:39,748 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:58:39,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:58:39,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:39,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:39,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:39,750 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_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a40ae7adec46612fdb7803d59192d0369e9c54 [2021-10-13 06:58:40,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:40,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:40,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:40,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:40,148 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:40,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2021-10-13 06:58:40,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data/17d39fadc/407d825476be45dda245be4622bb2dca/FLAG36e409b17 [2021-10-13 06:58:40,786 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:40,791 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2021-10-13 06:58:40,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data/17d39fadc/407d825476be45dda245be4622bb2dca/FLAG36e409b17 [2021-10-13 06:58:41,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data/17d39fadc/407d825476be45dda245be4622bb2dca [2021-10-13 06:58:41,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:41,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:41,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:41,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:41,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:41,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708fa9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41, skipping insertion in model container [2021-10-13 06:58:41,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:41,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:41,417 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_4467665d-866c-4fa9-bbf6-60a69c25a77e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2021-10-13 06:58:41,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:41,433 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:58:41,516 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_4467665d-866c-4fa9-bbf6-60a69c25a77e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2021-10-13 06:58:41,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:41,531 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:58:41,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41 WrapperNode [2021-10-13 06:58:41,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:41,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:41,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:58:41,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:58:41,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:41,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:58:41,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:58:41,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:58:41,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:58:41,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:58:41,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:58:41,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:58:41,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (1/1) ... [2021-10-13 06:58:41,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:41,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:58:41,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:58:41,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:58:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 06:58:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:58:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 06:58:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 06:58:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 06:58:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:58:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:58:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 06:58:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:58:42,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:58:42,802 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-10-13 06:58:42,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:42 BoogieIcfgContainer [2021-10-13 06:58:42,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:58:42,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:58:42,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:58:42,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:58:42,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:58:41" (1/3) ... [2021-10-13 06:58:42,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b9b854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:42, skipping insertion in model container [2021-10-13 06:58:42,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:41" (2/3) ... [2021-10-13 06:58:42,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b9b854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:42, skipping insertion in model container [2021-10-13 06:58:42,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:42" (3/3) ... [2021-10-13 06:58:42,815 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2021-10-13 06:58:42,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:58:42,827 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 06:58:42,891 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:58:42,902 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:58:42,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 06:58:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 78 states have (on average 1.7435897435897436) internal successors, (136), 79 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 06:58:42,947 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:42,948 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:42,948 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:42,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:42,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1652583497, now seen corresponding path program 1 times [2021-10-13 06:58:42,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:58:42,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685806090] [2021-10-13 06:58:42,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:42,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:58:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:43,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:58:43,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685806090] [2021-10-13 06:58:43,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685806090] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:43,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:43,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 06:58:43,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080141488] [2021-10-13 06:58:43,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:58:43,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:58:43,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:58:43,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:43,158 INFO L87 Difference]: Start difference. First operand has 80 states, 78 states have (on average 1.7435897435897436) internal successors, (136), 79 states have internal predecessors, (136), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:43,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:43,185 INFO L93 Difference]: Finished difference Result 159 states and 271 transitions. [2021-10-13 06:58:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:58:43,186 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-13 06:58:43,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:43,196 INFO L225 Difference]: With dead ends: 159 [2021-10-13 06:58:43,196 INFO L226 Difference]: Without dead ends: 78 [2021-10-13 06:58:43,199 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:43,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-13 06:58:43,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-10-13 06:58:43,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:43,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 97 transitions. [2021-10-13 06:58:43,238 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 97 transitions. Word has length 13 [2021-10-13 06:58:43,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:43,238 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 97 transitions. [2021-10-13 06:58:43,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 97 transitions. [2021-10-13 06:58:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 06:58:43,240 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:43,240 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:43,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 06:58:43,241 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:43,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:43,242 INFO L82 PathProgramCache]: Analyzing trace with hash 130875860, now seen corresponding path program 1 times [2021-10-13 06:58:43,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:58:43,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640916556] [2021-10-13 06:58:43,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:43,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:58:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:58:43,334 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:58:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:58:43,520 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 06:58:43,520 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:58:43,522 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:43,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 06:58:43,530 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:58:43,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:58:43 BoogieIcfgContainer [2021-10-13 06:58:43,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:58:43,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:58:43,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:58:43,571 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:58:43,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:42" (3/4) ... [2021-10-13 06:58:43,575 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 06:58:43,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:58:43,577 INFO L168 Benchmark]: Toolchain (without parser) took 2466.52 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 59.5 MB in the beginning and 92.3 MB in the end (delta: -32.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:43,578 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 66.2 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:43,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.92 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 66.2 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:43,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.56 ms. Allocated memory is still 94.4 MB. Free memory was 65.8 MB in the beginning and 63.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:43,581 INFO L168 Benchmark]: Boogie Preprocessor took 68.84 ms. Allocated memory is still 94.4 MB. Free memory was 63.2 MB in the beginning and 60.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:43,581 INFO L168 Benchmark]: RCFGBuilder took 1140.88 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.7 MB in the beginning and 86.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:43,582 INFO L168 Benchmark]: TraceAbstraction took 763.06 ms. Allocated memory is still 123.7 MB. Free memory was 85.9 MB in the beginning and 93.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:43,583 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 123.7 MB. Free memory was 93.2 MB in the beginning and 92.3 MB in the end (delta: 905.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:43,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 66.3 MB in the beginning and 66.2 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 420.92 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 66.2 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.56 ms. Allocated memory is still 94.4 MB. Free memory was 65.8 MB in the beginning and 63.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.84 ms. Allocated memory is still 94.4 MB. Free memory was 63.2 MB in the beginning and 60.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1140.88 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.7 MB in the beginning and 86.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 763.06 ms. Allocated memory is still 123.7 MB. Free memory was 85.9 MB in the beginning and 93.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.66 ms. Allocated memory is still 123.7 MB. Free memory was 93.2 MB in the beginning and 92.3 MB in the end (delta: 905.6 kB). Peak memory consumption was 2.1 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 220. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L231] float x = 1.0f / 0.0f; [L232] float y = __VERIFIER_nondet_float(); [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL [L99] COND FALSE !(hb > ha) [L106] a = x [L107] b = y VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L233] float res = __ieee754_hypotf(x, y); [L214] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L216] ieee_float_shape_type gf_u; [L217] gf_u.value = (x) [L218] EXPR gf_u.word [L218] (ix) = gf_u.word [L220] ix &= 0x7fffffff [L221] return ((ix) == 0x7f800000L); [L235] COND TRUE !isinf_float(res) [L236] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 639.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 27.5ms, AutomataDifference: 58.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 99 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 23.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.5ms SsaConstructionTime, 110.1ms SatisfiabilityAnalysisTime, 55.0ms InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2021-10-13 06:58:43,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/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-4e77c04 [2021-10-13 06:58:46,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:46,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:46,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:46,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:46,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:46,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:46,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:46,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:46,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:46,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:46,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:46,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:46,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:46,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:46,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:46,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:46,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:46,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:46,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:46,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:46,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:46,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:46,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:46,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:46,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:46,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:46,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:46,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:46,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:46,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:46,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:46,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:46,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:46,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:46,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:46,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:46,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:46,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:46,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:46,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:46,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:58:46,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:46,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:46,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:46,384 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:46,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:46,385 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:46,385 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:46,385 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:46,385 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:46,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:46,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:46,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:46,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:46,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:46,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:46,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:46,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:46,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:58:46,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:58:46,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:46,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:46,389 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:46,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:46,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:46,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:58:46,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:46,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:46,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:46,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:46,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:46,391 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:58:46,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:46,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:46,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:46,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:46,392 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_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a40ae7adec46612fdb7803d59192d0369e9c54 [2021-10-13 06:58:46,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:46,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:46,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:46,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:46,829 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:46,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2021-10-13 06:58:46,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data/5c4ab6a40/103aeb2b58ec45fd8313bfe6cbbd2846/FLAG213c623a7 [2021-10-13 06:58:47,392 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:47,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2021-10-13 06:58:47,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data/5c4ab6a40/103aeb2b58ec45fd8313bfe6cbbd2846/FLAG213c623a7 [2021-10-13 06:58:47,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/data/5c4ab6a40/103aeb2b58ec45fd8313bfe6cbbd2846 [2021-10-13 06:58:47,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:47,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:47,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:47,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:47,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:47,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:47" (1/1) ... [2021-10-13 06:58:47,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d171a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:47, skipping insertion in model container [2021-10-13 06:58:47,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:47" (1/1) ... [2021-10-13 06:58:47,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:47,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:48,051 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_4467665d-866c-4fa9-bbf6-60a69c25a77e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2021-10-13 06:58:48,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:48,068 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:58:48,208 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_4467665d-866c-4fa9-bbf6-60a69c25a77e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2021-10-13 06:58:48,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:48,239 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:58:48,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48 WrapperNode [2021-10-13 06:58:48,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:48,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:48,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:58:48,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:58:48,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:48,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:58:48,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:58:48,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:58:48,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:58:48,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:58:48,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:58:48,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:58:48,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (1/1) ... [2021-10-13 06:58:48,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:48,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:58:48,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:58:48,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:58:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:58:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:58:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 06:58:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 06:58:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:58:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:58:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 06:58:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 06:58:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:58:54,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:58:54,831 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-10-13 06:58:54,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:54 BoogieIcfgContainer [2021-10-13 06:58:54,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:58:54,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:58:54,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:58:54,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:58:54,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:58:47" (1/3) ... [2021-10-13 06:58:54,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daafb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:54, skipping insertion in model container [2021-10-13 06:58:54,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:48" (2/3) ... [2021-10-13 06:58:54,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daafb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:54, skipping insertion in model container [2021-10-13 06:58:54,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:54" (3/3) ... [2021-10-13 06:58:54,867 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2021-10-13 06:58:54,872 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:58:54,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 06:58:54,921 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:58:54,927 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:58:54,928 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 06:58:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 105 states have (on average 1.7142857142857142) internal successors, (180), 106 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:54,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 06:58:54,952 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:54,953 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:54,954 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:54,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:54,959 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2021-10-13 06:58:54,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:54,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031412357] [2021-10-13 06:58:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:54,973 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:54,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:54,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:54,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:58:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:55,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:58:55,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:55,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:55,350 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:55,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031412357] [2021-10-13 06:58:55,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031412357] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:55,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:55,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:58:55,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211358188] [2021-10-13 06:58:55,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:58:55,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:55,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:58:55,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:55,389 INFO L87 Difference]: Start difference. First operand has 107 states, 105 states have (on average 1.7142857142857142) internal successors, (180), 106 states have internal predecessors, (180), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:55,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:55,417 INFO L93 Difference]: Finished difference Result 212 states and 358 transitions. [2021-10-13 06:58:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:58:55,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-13 06:58:55,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:55,429 INFO L225 Difference]: With dead ends: 212 [2021-10-13 06:58:55,429 INFO L226 Difference]: Without dead ends: 104 [2021-10-13 06:58:55,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:55,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-13 06:58:55,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-13 06:58:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.3203883495145632) internal successors, (136), 103 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2021-10-13 06:58:55,474 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2021-10-13 06:58:55,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:55,475 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-10-13 06:58:55,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2021-10-13 06:58:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 06:58:55,477 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:55,477 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:55,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:55,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:55,701 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:55,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:55,702 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2021-10-13 06:58:55,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:55,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924553342] [2021-10-13 06:58:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:55,704 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:55,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:55,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:55,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:58:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:55,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-13 06:58:55,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:56,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2021-10-13 06:58:56,817 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-10-13 06:58:56,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 52 [2021-10-13 06:58:58,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 52 [2021-10-13 06:58:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:59,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:59:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:59:47,436 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:59:47,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924553342] [2021-10-13 06:59:47,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924553342] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:59:47,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:59:47,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 13] imperfect sequences [] total 24 [2021-10-13 06:59:47,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823180421] [2021-10-13 06:59:47,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-13 06:59:47,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:59:47,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-13 06:59:47,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=466, Unknown=11, NotChecked=0, Total=552 [2021-10-13 06:59:47,461 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:00:18,211 WARN L207 SmtUtils]: Spent 20.19 s on a formula simplification that was a NOOP. DAG size: 54 [2021-10-13 07:00:31,407 WARN L207 SmtUtils]: Spent 7.97 s on a formula simplification that was a NOOP. DAG size: 47 [2021-10-13 07:00:53,821 WARN L207 SmtUtils]: Spent 14.71 s on a formula simplification that was a NOOP. DAG size: 59 [2021-10-13 07:01:13,922 WARN L207 SmtUtils]: Spent 15.34 s on a formula simplification that was a NOOP. DAG size: 64 [2021-10-13 07:01:43,436 WARN L207 SmtUtils]: Spent 17.36 s on a formula simplification that was a NOOP. DAG size: 67 [2021-10-13 07:02:10,437 WARN L207 SmtUtils]: Spent 12.04 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-10-13 07:02:44,313 WARN L207 SmtUtils]: Spent 21.62 s on a formula simplification that was a NOOP. DAG size: 88 [2021-10-13 07:03:01,671 WARN L207 SmtUtils]: Spent 10.92 s on a formula simplification that was a NOOP. DAG size: 53 [2021-10-13 07:03:48,434 WARN L207 SmtUtils]: Spent 20.69 s on a formula simplification that was a NOOP. DAG size: 90 [2021-10-13 07:04:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:45,566 INFO L93 Difference]: Finished difference Result 282 states and 348 transitions. [2021-10-13 07:04:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-13 07:04:45,567 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 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 21 [2021-10-13 07:04:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:45,571 INFO L225 Difference]: With dead ends: 282 [2021-10-13 07:04:45,571 INFO L226 Difference]: Without dead ends: 183 [2021-10-13 07:04:45,574 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 228787.2ms TimeCoverageRelationStatistics Valid=477, Invalid=1582, Unknown=11, NotChecked=0, Total=2070 [2021-10-13 07:04:45,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-10-13 07:04:45,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 112. [2021-10-13 07:04:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.2882882882882882) internal successors, (143), 111 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2021-10-13 07:04:45,604 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 21 [2021-10-13 07:04:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:45,605 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2021-10-13 07:04:45,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2021-10-13 07:04:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:04:45,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:45,607 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:45,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:45,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:45,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:45,809 INFO L82 PathProgramCache]: Analyzing trace with hash -927908549, now seen corresponding path program 1 times [2021-10-13 07:04:45,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:45,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561894955] [2021-10-13 07:04:45,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:45,809 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:45,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:45,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:45,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:04:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:46,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 07:04:46,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:46,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:47,660 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:47,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561894955] [2021-10-13 07:04:47,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561894955] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:47,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:47,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 9 [2021-10-13 07:04:47,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783441265] [2021-10-13 07:04:47,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:04:47,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:47,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:04:47,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:04:47,673 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:49,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:49,481 INFO L93 Difference]: Finished difference Result 276 states and 354 transitions. [2021-10-13 07:04:49,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:04:49,482 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 07:04:49,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:49,486 INFO L225 Difference]: With dead ends: 276 [2021-10-13 07:04:49,486 INFO L226 Difference]: Without dead ends: 195 [2021-10-13 07:04:49,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1277.6ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:04:49,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-10-13 07:04:49,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 104. [2021-10-13 07:04:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.2815533980582525) internal successors, (132), 103 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2021-10-13 07:04:49,503 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 24 [2021-10-13 07:04:49,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:49,504 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2021-10-13 07:04:49,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2021-10-13 07:04:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:04:49,506 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:49,506 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:49,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:49,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:49,721 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:49,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:49,721 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2021-10-13 07:04:49,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:49,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147058794] [2021-10-13 07:04:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:49,722 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:49,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:49,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:04:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:49,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 07:04:49,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:50,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2021-10-13 07:04:51,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2021-10-13 07:04:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:52,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:54,701 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:54,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147058794] [2021-10-13 07:04:54,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147058794] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:54,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:54,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-10-13 07:04:54,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934031091] [2021-10-13 07:04:54,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 07:04:54,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:54,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 07:04:54,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-13 07:04:54,705 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:07,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:05:07,315 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2021-10-13 07:05:07,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 07:05:07,317 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 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 26 [2021-10-13 07:05:07,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:05:07,319 INFO L225 Difference]: With dead ends: 128 [2021-10-13 07:05:07,319 INFO L226 Difference]: Without dead ends: 110 [2021-10-13 07:05:07,320 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 7124.8ms TimeCoverageRelationStatistics Valid=217, Invalid=653, Unknown=0, NotChecked=0, Total=870 [2021-10-13 07:05:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-13 07:05:07,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 102. [2021-10-13 07:05:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.2574257425742574) internal successors, (127), 101 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 127 transitions. [2021-10-13 07:05:07,333 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 127 transitions. Word has length 26 [2021-10-13 07:05:07,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:05:07,334 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 127 transitions. [2021-10-13 07:05:07,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2021-10-13 07:05:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:05:07,336 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:05:07,336 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:05:07,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:07,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:05:07,553 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:05:07,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:05:07,553 INFO L82 PathProgramCache]: Analyzing trace with hash 121389570, now seen corresponding path program 1 times [2021-10-13 07:05:07,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:05:07,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898065454] [2021-10-13 07:05:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:05:07,554 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:05:07,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:05:07,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:05:07,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:05:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:05:07,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 07:05:07,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:05:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:05:10,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:05:16,666 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_16| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_16|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_16|)) (let ((.cse0 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~ha~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))))) is different from false [2021-10-13 07:05:18,855 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_16| (_ BitVec 32))) (or (not (= (let ((.cse0 (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_15|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_16|)))) (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_16|) (_ bv2139095040 32)) (not (= c_ULTIMATE.start___ieee754_hypotf_~x (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_15|)))))) is different from false [2021-10-13 07:05:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:05:18,888 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:05:18,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898065454] [2021-10-13 07:05:18,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898065454] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:05:18,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:05:18,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 12] imperfect sequences [] total 21 [2021-10-13 07:05:18,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003676083] [2021-10-13 07:05:18,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-13 07:05:18,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:05:18,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-13 07:05:18,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=301, Unknown=2, NotChecked=70, Total=420 [2021-10-13 07:05:18,891 INFO L87 Difference]: Start difference. First operand 102 states and 127 transitions. Second operand has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:35,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:05:35,398 INFO L93 Difference]: Finished difference Result 110 states and 134 transitions. [2021-10-13 07:05:35,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 07:05:35,399 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 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 26 [2021-10-13 07:05:35,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:05:35,401 INFO L225 Difference]: With dead ends: 110 [2021-10-13 07:05:35,401 INFO L226 Difference]: Without dead ends: 92 [2021-10-13 07:05:35,402 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 13564.2ms TimeCoverageRelationStatistics Valid=171, Invalid=537, Unknown=2, NotChecked=102, Total=812 [2021-10-13 07:05:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-13 07:05:35,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-13 07:05:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 91 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2021-10-13 07:05:35,413 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 26 [2021-10-13 07:05:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:05:35,413 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2021-10-13 07:05:35,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2021-10-13 07:05:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:05:35,416 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:05:35,416 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:05:35,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:35,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:05:35,636 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:05:35,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:05:35,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1951072080, now seen corresponding path program 1 times [2021-10-13 07:05:35,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:05:35,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267742456] [2021-10-13 07:05:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:05:35,637 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:05:35,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:05:35,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:05:35,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:05:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:05:36,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 07:05:36,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:05:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:05:39,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:06:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:06:28,888 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:06:28,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267742456] [2021-10-13 07:06:28,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267742456] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:06:28,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:06:28,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 8] imperfect sequences [] total 13 [2021-10-13 07:06:28,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295092766] [2021-10-13 07:06:28,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 07:06:28,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:06:28,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 07:06:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=112, Unknown=10, NotChecked=0, Total=156 [2021-10-13 07:06:28,891 INFO L87 Difference]: Start difference. First operand 92 states and 116 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:07:29,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:07:29,342 INFO L93 Difference]: Finished difference Result 140 states and 176 transitions. [2021-10-13 07:07:29,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:07:29,353 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:07:29,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:07:29,354 INFO L225 Difference]: With dead ends: 140 [2021-10-13 07:07:29,354 INFO L226 Difference]: Without dead ends: 101 [2021-10-13 07:07:29,355 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 59257.7ms TimeCoverageRelationStatistics Valid=69, Invalid=190, Unknown=13, NotChecked=0, Total=272 [2021-10-13 07:07:29,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-13 07:07:29,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2021-10-13 07:07:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 94 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:07:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 119 transitions. [2021-10-13 07:07:29,364 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 119 transitions. Word has length 34 [2021-10-13 07:07:29,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:07:29,364 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 119 transitions. [2021-10-13 07:07:29,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:07:29,364 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2021-10-13 07:07:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:07:29,366 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:07:29,366 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:07:29,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:07:29,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:07:29,573 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:07:29,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:07:29,573 INFO L82 PathProgramCache]: Analyzing trace with hash 13172387, now seen corresponding path program 1 times [2021-10-13 07:07:29,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:07:29,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417777260] [2021-10-13 07:07:29,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:07:29,574 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:07:29,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:07:29,575 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:07:29,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:07:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:07:30,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 07:07:30,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:07:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:07:31,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:07:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:07:35,323 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:07:35,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417777260] [2021-10-13 07:07:35,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417777260] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:07:35,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:07:35,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 11 [2021-10-13 07:07:35,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704241569] [2021-10-13 07:07:35,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 07:07:35,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:07:35,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 07:07:35,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:07:35,326 INFO L87 Difference]: Start difference. First operand 95 states and 119 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:07:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:07:36,250 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2021-10-13 07:07:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:07:36,252 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 07:07:36,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:07:36,252 INFO L225 Difference]: With dead ends: 95 [2021-10-13 07:07:36,252 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:07:36,253 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3870.7ms TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-10-13 07:07:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:07:36,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:07:36,254 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) [2021-10-13 07:07:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:07:36,254 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-13 07:07:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:07:36,254 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:07:36,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:07:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:07:36,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:07:36,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:07:36,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:07:36,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:07:36,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:07:36,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:07:36,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:08:50,869 WARN L207 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 193 DAG size of output: 170 [2021-10-13 07:09:37,119 WARN L207 SmtUtils]: Spent 46.23 s on a formula simplification. DAG size of input: 179 DAG size of output: 119 [2021-10-13 07:10:26,231 WARN L207 SmtUtils]: Spent 48.92 s on a formula simplification. DAG size of input: 161 DAG size of output: 107 [2021-10-13 07:10:26,560 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-10-13 07:10:26,560 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2021-10-13 07:10:26,560 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-10-13 07:10:26,560 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2021-10-13 07:10:26,560 INFO L853 garLoopResultBuilder]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2021-10-13 07:10:26,560 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2021-10-13 07:10:26,561 INFO L857 garLoopResultBuilder]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2021-10-13 07:10:26,561 INFO L853 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2021-10-13 07:10:26,561 INFO L857 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2021-10-13 07:10:26,561 INFO L857 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2021-10-13 07:10:26,561 INFO L857 garLoopResultBuilder]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2021-10-13 07:10:26,561 INFO L857 garLoopResultBuilder]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2021-10-13 07:10:26,561 INFO L857 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-10-13 07:10:26,561 INFO L857 garLoopResultBuilder]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2021-10-13 07:10:26,562 INFO L853 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2021-10-13 07:10:26,562 INFO L857 garLoopResultBuilder]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2021-10-13 07:10:26,562 INFO L857 garLoopResultBuilder]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2021-10-13 07:10:26,562 INFO L853 garLoopResultBuilder]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2021-10-13 07:10:26,562 INFO L857 garLoopResultBuilder]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2021-10-13 07:10:26,562 INFO L860 garLoopResultBuilder]: At program point L239(lines 224 240) the Hoare annotation is: true [2021-10-13 07:10:26,562 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-10-13 07:10:26,563 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2021-10-13 07:10:26,563 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2021-10-13 07:10:26,563 INFO L853 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2021-10-13 07:10:26,563 INFO L857 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2021-10-13 07:10:26,563 INFO L857 garLoopResultBuilder]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2021-10-13 07:10:26,563 INFO L853 garLoopResultBuilder]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2021-10-13 07:10:26,563 INFO L857 garLoopResultBuilder]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2021-10-13 07:10:26,563 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2021-10-13 07:10:26,564 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2021-10-13 07:10:26,564 INFO L853 garLoopResultBuilder]: At program point L209(lines 83 210) the Hoare annotation is: (let ((.cse4 (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse2 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (or (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse0 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse1 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse1 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse2 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse3 ULTIMATE.start___ieee754_hypotf_~a~0) (= .cse3 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse4) (let ((.cse5 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (and (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) |ULTIMATE.start___ieee754_hypotf_#res|)))) (or (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))))) .cse5) (or .cse5 (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0)))))) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (or .cse5 (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))) (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32))))) (= currentRoundingMode roundNearestTiesToEven))) (and (or (not (= ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_hypotf_~b~0))))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) |ULTIMATE.start___ieee754_hypotf_#res|)))) (or (and .cse2 .cse4) (and .cse2 (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_hypotf_~w~0)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35) ULTIMATE.start___ieee754_hypotf_~hb~0))))) [2021-10-13 07:10:26,564 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-13 07:10:26,564 INFO L857 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-10-13 07:10:26,564 INFO L857 garLoopResultBuilder]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2021-10-13 07:10:26,565 INFO L857 garLoopResultBuilder]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2021-10-13 07:10:26,565 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 200) no Hoare annotation was computed. [2021-10-13 07:10:26,565 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2021-10-13 07:10:26,565 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2021-10-13 07:10:26,565 INFO L853 garLoopResultBuilder]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2021-10-13 07:10:26,565 INFO L857 garLoopResultBuilder]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2021-10-13 07:10:26,565 INFO L853 garLoopResultBuilder]: At program point L80(lines 16 81) the Hoare annotation is: false [2021-10-13 07:10:26,566 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2021-10-13 07:10:26,566 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 174) no Hoare annotation was computed. [2021-10-13 07:10:26,566 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-13 07:10:26,566 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2021-10-13 07:10:26,566 INFO L857 garLoopResultBuilder]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2021-10-13 07:10:26,566 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 173) no Hoare annotation was computed. [2021-10-13 07:10:26,566 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2021-10-13 07:10:26,567 INFO L853 garLoopResultBuilder]: At program point L215-2(lines 215 219) the Hoare annotation is: (let ((.cse5 (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse3 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (or (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse0 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse1 ULTIMATE.start_isinf_float_~x) (= .cse1 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse2 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse2 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse3 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse4 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse4 ULTIMATE.start___ieee754_hypotf_~a~0) (= .cse4 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse5) (and (or (not (= ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_hypotf_~b~0))))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) |ULTIMATE.start___ieee754_hypotf_#res|)))) (or (and .cse3 .cse5) (and .cse3 (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_hypotf_~w~0)))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start_isinf_float_~x)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35) ULTIMATE.start___ieee754_hypotf_~hb~0))) (let ((.cse6 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (and (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) |ULTIMATE.start___ieee754_hypotf_#res|)))) (or (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))))) .cse6) (or .cse6 (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0)))))) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (or .cse6 (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))) (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32))))) (= currentRoundingMode roundNearestTiesToEven) (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) ULTIMATE.start_isinf_float_~x)))))))) [2021-10-13 07:10:26,567 INFO L857 garLoopResultBuilder]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2021-10-13 07:10:26,567 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 173) no Hoare annotation was computed. [2021-10-13 07:10:26,567 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2021-10-13 07:10:26,567 INFO L853 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2021-10-13 07:10:26,568 INFO L857 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2021-10-13 07:10:26,568 INFO L853 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2021-10-13 07:10:26,568 INFO L857 garLoopResultBuilder]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2021-10-13 07:10:26,568 INFO L853 garLoopResultBuilder]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2021-10-13 07:10:26,568 INFO L857 garLoopResultBuilder]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2021-10-13 07:10:26,570 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:10:26,574 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2021-10-13 07:10:26,574 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-13 07:10:26,575 INFO L853 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse0 ULTIMATE.start___ieee754_hypotf_~a~0) (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-13 07:10:26,575 INFO L857 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2021-10-13 07:10:26,575 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-13 07:10:26,575 INFO L857 garLoopResultBuilder]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2021-10-13 07:10:26,575 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-10-13 07:10:26,576 INFO L857 garLoopResultBuilder]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-10-13 07:10:26,576 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-10-13 07:10:26,576 INFO L857 garLoopResultBuilder]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2021-10-13 07:10:26,576 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-10-13 07:10:26,576 INFO L853 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-10-13 07:10:26,577 INFO L857 garLoopResultBuilder]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2021-10-13 07:10:26,577 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2021-10-13 07:10:26,577 INFO L853 garLoopResultBuilder]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2021-10-13 07:10:26,577 INFO L857 garLoopResultBuilder]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2021-10-13 07:10:26,578 INFO L853 garLoopResultBuilder]: At program point L221(lines 213 222) the Hoare annotation is: (let ((.cse14 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (.cse15 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (let ((.cse9 (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) |ULTIMATE.start___ieee754_hypotf_#res|))))) (.cse10 (or .cse15 (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0))))))) (.cse11 (= ULTIMATE.start___ieee754_hypotf_~x .cse14)) (.cse12 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse18 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0))) (.cse17 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_27))) (and (bvsgt (bvadd (bvneg .cse17) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32)) (= .cse18 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp.add roundNearestTiesToEven .cse18 (fp ((_ extract 31 31) .cse17) ((_ extract 30 23) .cse17) ((_ extract 22 0) .cse17)))))))) (.cse13 (= currentRoundingMode roundNearestTiesToEven)) (.cse6 (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse3 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse7 (= |ULTIMATE.start_isinf_float_#res| (_ bv1 32)))) (or (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse0 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse1 ULTIMATE.start_isinf_float_~x) (= .cse1 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse2 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse2 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse3 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse4 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse4 ULTIMATE.start___ieee754_hypotf_~a~0) (= .cse4 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse5 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse5 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse5 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))))) .cse6 .cse7) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1.base_5| (_ BitVec 32))) (let ((.cse8 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1.base_5|) (_ bv0 32)))) (and (= ULTIMATE.start___ieee754_hypotf_~ha~0 .cse8) (= (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)) ULTIMATE.start___ieee754_hypotf_~a~0)))) .cse9 .cse10 .cse11 .cse12 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_27 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_27))) .cse13 (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) .cse14) .cse7) (and .cse9 (or (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))))) .cse15) .cse10 .cse11 .cse12 (or .cse15 (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))))) (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32))))) .cse13 (forall ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_12|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_12|)) ULTIMATE.start_isinf_float_~x)))) .cse7) (and (or (not (= ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2139095040 32))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_hypotf_~b~0))))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) |ULTIMATE.start___ieee754_hypotf_#res|)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (let ((.cse16 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) (and (= .cse16 (_ bv2139095040 32)) (= (fp ((_ extract 31 31) .cse16) ((_ extract 30 23) .cse16) ((_ extract 22 0) .cse16)) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)))))) (or (and .cse3 .cse6) (and .cse3 (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_hypotf_~w~0)))) (forall ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start_isinf_float_~x)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35) ULTIMATE.start___ieee754_hypotf_~hb~0)) .cse7)))) [2021-10-13 07:10:26,579 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 146) no Hoare annotation was computed. [2021-10-13 07:10:26,579 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2021-10-13 07:10:26,579 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:10:26,579 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 131) no Hoare annotation was computed. [2021-10-13 07:10:26,579 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2021-10-13 07:10:26,580 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2021-10-13 07:10:26,580 INFO L857 garLoopResultBuilder]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2021-10-13 07:10:26,580 INFO L853 garLoopResultBuilder]: At program point L93-2(lines 93 97) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse0 ULTIMATE.start___ieee754_hypotf_~a~0) (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (= currentRoundingMode roundNearestTiesToEven) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2021-10-13 07:10:26,580 INFO L857 garLoopResultBuilder]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2021-10-13 07:10:26,580 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2021-10-13 07:10:26,581 INFO L853 garLoopResultBuilder]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2021-10-13 07:10:26,581 INFO L857 garLoopResultBuilder]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2021-10-13 07:10:26,581 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:10:26,581 INFO L857 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2021-10-13 07:10:26,581 INFO L857 garLoopResultBuilder]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2021-10-13 07:10:26,582 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2021-10-13 07:10:26,582 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2021-10-13 07:10:26,582 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2021-10-13 07:10:26,582 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-10-13 07:10:26,582 INFO L853 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2021-10-13 07:10:26,583 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-10-13 07:10:26,583 INFO L857 garLoopResultBuilder]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2021-10-13 07:10:26,583 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-13 07:10:26,583 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:10:26,583 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-10-13 07:10:26,584 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 236) no Hoare annotation was computed. [2021-10-13 07:10:26,584 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 108) no Hoare annotation was computed. [2021-10-13 07:10:26,584 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2021-10-13 07:10:26,584 INFO L857 garLoopResultBuilder]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2021-10-13 07:10:26,584 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 70) no Hoare annotation was computed. [2021-10-13 07:10:26,585 INFO L857 garLoopResultBuilder]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2021-10-13 07:10:26,591 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:10:26,605 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:452) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 07:10:26,615 INFO L168 Benchmark]: Toolchain (without parser) took 698857.87 ms. Allocated memory was 50.3 MB in the beginning and 83.9 MB in the end (delta: 33.6 MB). Free memory was 26.4 MB in the beginning and 23.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:26,615 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:10:26,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.43 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 26.2 MB in the beginning and 49.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:26,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.88 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 46.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:26,616 INFO L168 Benchmark]: Boogie Preprocessor took 110.43 ms. Allocated memory is still 69.2 MB. Free memory was 46.2 MB in the beginning and 43.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:26,616 INFO L168 Benchmark]: RCFGBuilder took 6402.61 ms. Allocated memory is still 69.2 MB. Free memory was 43.5 MB in the beginning and 48.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:26,617 INFO L168 Benchmark]: TraceAbstraction took 691751.09 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 48.1 MB in the beginning and 23.1 MB in the end (delta: 25.1 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:26,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.43 ms. Allocated memory was 50.3 MB in the beginning and 69.2 MB in the end (delta: 18.9 MB). Free memory was 26.2 MB in the beginning and 49.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.88 ms. Allocated memory is still 69.2 MB. Free memory was 49.1 MB in the beginning and 46.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.43 ms. Allocated memory is still 69.2 MB. Free memory was 46.2 MB in the beginning and 43.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6402.61 ms. Allocated memory is still 69.2 MB. Free memory was 43.5 MB in the beginning and 48.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 691751.09 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 48.1 MB in the beginning and 23.1 MB in the end (delta: 25.1 MB). Peak memory consumption was 43.7 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 236]: 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, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 691671.6ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 20.3ms, AutomataDifference: 390528.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 170099.4ms, InitialAbstractionConstructionTime: 13.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 669 SDtfs, 1367 SDslu, 5127 SDs, 0 SdLazy, 1350 SolverSat, 146 SolverUnsat, 30 SolverUnknown, 0 SolverNotchecked, 173479.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 409 GetRequests, 267 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 313882.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=2, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 105.8ms AutomataMinimizationTime, 7 MinimizatonAttempts, 176 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 41 NumberOfFragments, 1517 HoareAnnotationTreeSize, 23 FomulaSimplifications, 997 FormulaSimplificationTreeSizeReduction, 307.6ms HoareSimplificationTime, 23 FomulaSimplificationsInter, 1086 FormulaSimplificationTreeSizeReductionInter, 169780.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 122.9ms SsaConstructionTime, 1691.5ms SatisfiabilityAnalysisTime, 126741.0ms InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 354 ConstructedInterpolants, 143 QuantifiedInterpolants, 4055 SizeOfPredicates, 73 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:10:26,839 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 07:10:26,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4467665d-866c-4fa9-bbf6-60a69c25a77e/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...