./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_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt --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 Automizer --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_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt --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 Automizer --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 00:45:36,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:45:36,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:45:36,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:45:36,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:45:36,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:45:36,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:45:36,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:45:36,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:45:36,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:45:36,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:45:36,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:45:36,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:45:36,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:45:36,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:45:36,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:45:36,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:45:36,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:45:36,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:45:36,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:45:36,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:45:36,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:45:36,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:45:36,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:45:37,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:45:37,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:45:37,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:45:37,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:45:37,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:45:37,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:45:37,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:45:37,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:45:37,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:45:37,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:45:37,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:45:37,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:45:37,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:45:37,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:45:37,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:45:37,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:45:37,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:45:37,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:45:37,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:45:37,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:45:37,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:45:37,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:45:37,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:45:37,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:45:37,080 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:45:37,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:45:37,081 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:45:37,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:45:37,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:45:37,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:45:37,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:45:37,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:45:37,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:45:37,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:45:37,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:45:37,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:45:37,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:45:37,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:45:37,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:45:37,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:45:37,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:45:37,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:45:37,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:45:37,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:45:37,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:45:37,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:45:37,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:45:37,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:45:37,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a40ae7adec46612fdb7803d59192d0369e9c54 [2021-10-13 00:45:37,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:45:37,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:45:37,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:45:37,471 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:45:37,472 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:45:37,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2021-10-13 00:45:37,572 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data/ed5c63887/ca32fcf22dfd4c909fa757c536503b51/FLAGc633c5138 [2021-10-13 00:45:38,078 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:45:38,079 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2021-10-13 00:45:38,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data/ed5c63887/ca32fcf22dfd4c909fa757c536503b51/FLAGc633c5138 [2021-10-13 00:45:38,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data/ed5c63887/ca32fcf22dfd4c909fa757c536503b51 [2021-10-13 00:45:38,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:45:38,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:45:38,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:45:38,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:45:38,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:45:38,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:38,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474f602a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38, skipping insertion in model container [2021-10-13 00:45:38,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:38,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:45:38,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:45:38,798 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_dc125306-d0ff-4056-8981-7a7628fa5079/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2021-10-13 00:45:38,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:45:38,812 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:45:38,899 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_dc125306-d0ff-4056-8981-7a7628fa5079/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2021-10-13 00:45:38,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:45:38,923 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:45:38,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38 WrapperNode [2021-10-13 00:45:38,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:45:38,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:45:38,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:45:38,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:45:38,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:38,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:45:39,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:45:39,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:45:39,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:45:39,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:45:39,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:45:39,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:45:39,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:45:39,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (1/1) ... [2021-10-13 00:45:39,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:45:39,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:45:39,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:45:39,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:45:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:45:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:45:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:45:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:45:39,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:45:39,977 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-10-13 00:45:39,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:39 BoogieIcfgContainer [2021-10-13 00:45:39,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:45:39,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:45:39,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:45:39,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:45:39,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:45:38" (1/3) ... [2021-10-13 00:45:39,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c1bd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:45:39, skipping insertion in model container [2021-10-13 00:45:39,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:38" (2/3) ... [2021-10-13 00:45:39,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c1bd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:45:39, skipping insertion in model container [2021-10-13 00:45:39,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:39" (3/3) ... [2021-10-13 00:45:39,997 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2021-10-13 00:45:40,003 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:45:40,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:45:40,088 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:45:40,109 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 00:45:40,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:45:40,138 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 00:45:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:45:40,166 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:45:40,167 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:45:40,167 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:45:40,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:45:40,179 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2021-10-13 00:45:40,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:45:40,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637410561] [2021-10-13 00:45:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:45:40,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:45:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:45:40,410 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 00:45:40,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:45:40,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637410561] [2021-10-13 00:45:40,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637410561] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:45:40,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:45:40,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:45:40,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129187569] [2021-10-13 00:45:40,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:45:40,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:45:40,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:45:40,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:45:40,449 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 00:45:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:45:40,498 INFO L93 Difference]: Finished difference Result 212 states and 358 transitions. [2021-10-13 00:45:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:45:40,499 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 00:45:40,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:45:40,515 INFO L225 Difference]: With dead ends: 212 [2021-10-13 00:45:40,516 INFO L226 Difference]: Without dead ends: 104 [2021-10-13 00:45:40,520 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 00:45:40,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-13 00:45:40,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-13 00:45:40,591 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 00:45:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2021-10-13 00:45:40,604 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2021-10-13 00:45:40,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:45:40,605 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-10-13 00:45:40,605 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 00:45:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2021-10-13 00:45:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:45:40,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:45:40,607 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] [2021-10-13 00:45:40,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:45:40,608 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:45:40,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:45:40,609 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2021-10-13 00:45:40,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:45:40,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576054173] [2021-10-13 00:45:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:45:40,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:45:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:45:40,747 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:45:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:45:40,849 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:45:40,849 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:45:40,857 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:45:40,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:45:40,867 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:45:40,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:45:40 BoogieIcfgContainer [2021-10-13 00:45:40,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:45:40,941 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:45:40,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:45:40,942 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:45:40,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:39" (3/4) ... [2021-10-13 00:45:40,946 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:45:40,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:45:40,950 INFO L168 Benchmark]: Toolchain (without parser) took 2429.06 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 58.7 MB in the beginning and 60.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:45:40,951 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 64.4 MB in the beginning and 64.3 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:45:40,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.10 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 66.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:45:40,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.53 ms. Allocated memory is still 94.4 MB. Free memory was 66.4 MB in the beginning and 63.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:45:40,964 INFO L168 Benchmark]: Boogie Preprocessor took 65.26 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 61.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:45:40,965 INFO L168 Benchmark]: RCFGBuilder took 909.09 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 37.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:45:40,966 INFO L168 Benchmark]: TraceAbstraction took 950.75 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 37.0 MB in the beginning and 60.9 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:45:40,967 INFO L168 Benchmark]: Witness Printer took 5.67 ms. Allocated memory is still 113.2 MB. Free memory was 60.9 MB in the beginning and 60.7 MB in the end (delta: 251.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:45:40,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 64.4 MB in the beginning and 64.3 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 408.10 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 66.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.53 ms. Allocated memory is still 94.4 MB. Free memory was 66.4 MB in the beginning and 63.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.26 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 61.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 909.09 ms. Allocated memory is still 94.4 MB. Free memory was 61.0 MB in the beginning and 37.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 950.75 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 37.0 MB in the beginning and 60.9 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.67 ms. Allocated memory is still 113.2 MB. Free memory was 60.9 MB in the beginning and 60.7 MB in the end (delta: 251.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [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 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [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); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [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, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 779.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 37.4ms, AutomataDifference: 95.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 139 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=107occurred 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: 64.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 29.6ms SsaConstructionTime, 153.6ms SatisfiabilityAnalysisTime, 78.9ms InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 00:45:41,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/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 00:45:44,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:45:44,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:45:44,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:45:44,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:45:44,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:45:44,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:45:44,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:45:44,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:45:44,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:45:44,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:45:44,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:45:44,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:45:44,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:45:44,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:45:44,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:45:44,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:45:44,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:45:44,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:45:44,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:45:44,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:45:44,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:45:44,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:45:44,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:45:44,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:45:44,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:45:44,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:45:44,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:45:44,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:45:44,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:45:44,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:45:44,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:45:44,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:45:44,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:45:44,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:45:44,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:45:44,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:45:44,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:45:44,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:45:44,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:45:44,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:45:44,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:45:44,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:45:44,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:45:44,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:45:44,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:45:44,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:45:44,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:45:44,189 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:45:44,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:45:44,190 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:45:44,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:45:44,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:45:44,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:45:44,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:45:44,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:45:44,191 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:45:44,191 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:45:44,192 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:45:44,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:45:44,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:45:44,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:45:44,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:45:44,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:45:44,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:45:44,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:45:44,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:45:44,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:45:44,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:45:44,195 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:45:44,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:45:44,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:45:44,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:45:44,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:45:44,196 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_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a40ae7adec46612fdb7803d59192d0369e9c54 [2021-10-13 00:45:44,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:45:44,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:45:44,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:45:44,650 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:45:44,651 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:45:44,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2021-10-13 00:45:44,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data/80343d358/6341c4d0a72e40b6a92630adcc83d221/FLAG3055c56e5 [2021-10-13 00:45:45,421 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:45:45,422 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2021-10-13 00:45:45,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data/80343d358/6341c4d0a72e40b6a92630adcc83d221/FLAG3055c56e5 [2021-10-13 00:45:45,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/data/80343d358/6341c4d0a72e40b6a92630adcc83d221 [2021-10-13 00:45:45,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:45:45,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:45:45,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:45:45,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:45:45,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:45:45,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:45:45" (1/1) ... [2021-10-13 00:45:45,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1771dabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:45, skipping insertion in model container [2021-10-13 00:45:45,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:45:45" (1/1) ... [2021-10-13 00:45:45,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:45:45,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:45:45,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2021-10-13 00:45:45,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:45:45,987 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:45:46,063 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_dc125306-d0ff-4056-8981-7a7628fa5079/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2021-10-13 00:45:46,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:45:46,128 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:45:46,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46 WrapperNode [2021-10-13 00:45:46,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:45:46,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:45:46,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:45:46,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:45:46,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:45:46,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:45:46,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:45:46,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:45:46,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:45:46,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:45:46,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:45:46,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:45:46,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (1/1) ... [2021-10-13 00:45:46,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:45:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:45:46,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:45:46,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:45:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:45:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:45:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 00:45:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:45:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:45:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:45:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 00:45:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:45:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:45:55,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:45:55,974 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-10-13 00:45:55,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:55 BoogieIcfgContainer [2021-10-13 00:45:55,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:45:55,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:45:55,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:45:55,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:45:55,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:45:45" (1/3) ... [2021-10-13 00:45:55,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3002cd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:45:55, skipping insertion in model container [2021-10-13 00:45:55,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:45:46" (2/3) ... [2021-10-13 00:45:56,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3002cd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:45:55, skipping insertion in model container [2021-10-13 00:45:56,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:45:55" (3/3) ... [2021-10-13 00:45:56,002 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2021-10-13 00:45:56,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:45:56,009 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:45:56,069 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:45:56,079 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 00:45:56,081 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:45:56,122 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 00:45:56,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:45:56,143 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:45:56,144 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:45:56,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:45:56,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:45:56,161 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2021-10-13 00:45:56,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:45:56,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791862268] [2021-10-13 00:45:56,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:45:56,178 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:45:56,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:45:56,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:45:56,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:45:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:45:56,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 00:45:56,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:45:56,565 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 00:45:56,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:45:56,674 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 00:45:56,675 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:45:56,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791862268] [2021-10-13 00:45:56,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791862268] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:45:56,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:45:56,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:45:56,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464207279] [2021-10-13 00:45:56,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:45:56,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:45:56,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:45:56,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:45:56,707 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 00:45:56,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:45:56,770 INFO L93 Difference]: Finished difference Result 212 states and 358 transitions. [2021-10-13 00:45:56,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:45:56,772 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 00:45:56,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:45:56,791 INFO L225 Difference]: With dead ends: 212 [2021-10-13 00:45:56,792 INFO L226 Difference]: Without dead ends: 104 [2021-10-13 00:45:56,796 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 00:45:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-13 00:45:56,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-13 00:45:56,843 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 00:45:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2021-10-13 00:45:56,848 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2021-10-13 00:45:56,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:45:56,848 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-10-13 00:45:56,848 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 00:45:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2021-10-13 00:45:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:45:56,851 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:45:56,851 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 00:45:56,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:45:57,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:45:57,054 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:45:57,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:45:57,055 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2021-10-13 00:45:57,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:45:57,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393817709] [2021-10-13 00:45:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:45:57,062 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:45:57,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:45:57,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:45:57,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 00:45:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:45:57,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-13 00:45:57,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:45:57,965 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 00:45:58,345 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-10-13 00:45:58,345 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 00:45:59,799 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 00:46:01,261 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 00:46:01,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:46:48,674 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 00:46:48,674 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:46:48,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393817709] [2021-10-13 00:46:48,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393817709] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:46:48,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:46:48,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 13] imperfect sequences [] total 24 [2021-10-13 00:46:48,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888993813] [2021-10-13 00:46:48,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-13 00:46:48,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:46:48,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-13 00:46:48,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=469, Unknown=8, NotChecked=0, Total=552 [2021-10-13 00:46:48,680 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 00:47:09,359 WARN L207 SmtUtils]: Spent 13.25 s on a formula simplification that was a NOOP. DAG size: 54 [2021-10-13 00:47:50,412 WARN L207 SmtUtils]: Spent 19.71 s on a formula simplification that was a NOOP. DAG size: 59 [2021-10-13 00:48:11,567 WARN L207 SmtUtils]: Spent 15.22 s on a formula simplification that was a NOOP. DAG size: 64 [2021-10-13 00:48:40,041 WARN L207 SmtUtils]: Spent 15.52 s on a formula simplification that was a NOOP. DAG size: 67 [2021-10-13 00:49:03,413 WARN L207 SmtUtils]: Spent 11.29 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-10-13 00:49:34,380 WARN L207 SmtUtils]: Spent 19.11 s on a formula simplification that was a NOOP. DAG size: 88 [2021-10-13 00:49:48,200 WARN L207 SmtUtils]: Spent 9.34 s on a formula simplification that was a NOOP. DAG size: 53 [2021-10-13 00:50:35,003 WARN L207 SmtUtils]: Spent 21.20 s on a formula simplification that was a NOOP. DAG size: 90 [2021-10-13 00:51:43,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:43,004 INFO L93 Difference]: Finished difference Result 276 states and 342 transitions. [2021-10-13 00:51:43,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-13 00:51:43,005 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 00:51:43,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:43,008 INFO L225 Difference]: With dead ends: 276 [2021-10-13 00:51:43,009 INFO L226 Difference]: Without dead ends: 177 [2021-10-13 00:51:43,011 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 212224.1ms TimeCoverageRelationStatistics Valid=477, Invalid=1585, Unknown=8, NotChecked=0, Total=2070 [2021-10-13 00:51:43,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-10-13 00:51:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 112. [2021-10-13 00:51:43,027 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 00:51:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2021-10-13 00:51:43,029 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 21 [2021-10-13 00:51:43,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:43,030 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2021-10-13 00:51:43,030 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 00:51:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2021-10-13 00:51:43,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:51:43,032 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:43,032 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 00:51:43,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:51:43,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:51:43,233 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:43,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:43,234 INFO L82 PathProgramCache]: Analyzing trace with hash -927908549, now seen corresponding path program 1 times [2021-10-13 00:51:43,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:51:43,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341870865] [2021-10-13 00:51:43,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:43,236 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:51:43,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:51:43,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:51:43,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 00:51:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:43,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:51:43,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:51:44,187 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 00:51:44,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:51:45,206 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 00:51:45,206 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:51:45,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341870865] [2021-10-13 00:51:45,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341870865] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:45,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:45,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 9 [2021-10-13 00:51:45,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426121356] [2021-10-13 00:51:45,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 00:51:45,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:51:45,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:51:45,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:51:45,210 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 00:51:47,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:47,032 INFO L93 Difference]: Finished difference Result 276 states and 354 transitions. [2021-10-13 00:51:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:51:47,038 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 00:51:47,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:47,040 INFO L225 Difference]: With dead ends: 276 [2021-10-13 00:51:47,040 INFO L226 Difference]: Without dead ends: 195 [2021-10-13 00:51:47,042 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1302.2ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:51:47,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-10-13 00:51:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 104. [2021-10-13 00:51:47,055 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 00:51:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2021-10-13 00:51:47,056 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 24 [2021-10-13 00:51:47,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:47,057 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2021-10-13 00:51:47,057 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 00:51:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2021-10-13 00:51:47,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:51:47,059 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:47,059 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 00:51:47,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:51:47,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:51:47,272 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:47,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:47,272 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2021-10-13 00:51:47,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:51:47,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227344208] [2021-10-13 00:51:47,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:47,276 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:51:47,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:51:47,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:51:47,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 00:51:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:47,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:51:47,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:51:47,824 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 00:51:49,358 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 00:51:50,214 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 00:51:50,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:51:52,882 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 00:51:52,883 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:51:52,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227344208] [2021-10-13 00:51:52,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227344208] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:52,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:52,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2021-10-13 00:51:52,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376786421] [2021-10-13 00:51:52,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 00:51:52,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:51:52,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 00:51:52,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-13 00:51:52,885 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 00:52:07,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:52:07,103 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2021-10-13 00:52:07,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 00:52:07,106 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 00:52:07,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:52:07,107 INFO L225 Difference]: With dead ends: 128 [2021-10-13 00:52:07,108 INFO L226 Difference]: Without dead ends: 110 [2021-10-13 00:52:07,109 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 8135.6ms TimeCoverageRelationStatistics Valid=217, Invalid=653, Unknown=0, NotChecked=0, Total=870 [2021-10-13 00:52:07,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-13 00:52:07,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 102. [2021-10-13 00:52:07,138 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 00:52:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 127 transitions. [2021-10-13 00:52:07,140 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 127 transitions. Word has length 26 [2021-10-13 00:52:07,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:52:07,140 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 127 transitions. [2021-10-13 00:52:07,141 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 00:52:07,141 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2021-10-13 00:52:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:52:07,142 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:52:07,142 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 00:52:07,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:52:07,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:52:07,348 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:52:07,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:52:07,348 INFO L82 PathProgramCache]: Analyzing trace with hash 121389570, now seen corresponding path program 1 times [2021-10-13 00:52:07,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:52:07,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546829297] [2021-10-13 00:52:07,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:52:07,349 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:52:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:52:07,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:52:07,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 00:52:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:52:07,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 00:52:07,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:52:10,722 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 00:52:10,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:52:16,720 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 00:52:18,978 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 00:52:19,026 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 00:52:19,027 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:52:19,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546829297] [2021-10-13 00:52:19,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546829297] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:52:19,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:52:19,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 12] imperfect sequences [] total 21 [2021-10-13 00:52:19,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161311625] [2021-10-13 00:52:19,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-13 00:52:19,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:52:19,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-13 00:52:19,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=301, Unknown=2, NotChecked=70, Total=420 [2021-10-13 00:52:19,030 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 00:52:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:52:34,102 INFO L93 Difference]: Finished difference Result 110 states and 134 transitions. [2021-10-13 00:52:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:52:34,104 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 00:52:34,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:52:34,105 INFO L225 Difference]: With dead ends: 110 [2021-10-13 00:52:34,106 INFO L226 Difference]: Without dead ends: 92 [2021-10-13 00:52:34,107 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 13493.1ms TimeCoverageRelationStatistics Valid=171, Invalid=537, Unknown=2, NotChecked=102, Total=812 [2021-10-13 00:52:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-13 00:52:34,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-13 00:52:34,119 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 00:52:34,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2021-10-13 00:52:34,120 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 26 [2021-10-13 00:52:34,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:52:34,121 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2021-10-13 00:52:34,121 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 00:52:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2021-10-13 00:52:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:52:34,124 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:52:34,124 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 00:52:34,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:52:34,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:52:34,340 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:52:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:52:34,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1951072080, now seen corresponding path program 1 times [2021-10-13 00:52:34,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:52:34,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107997924] [2021-10-13 00:52:34,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:52:34,342 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:52:34,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:52:34,345 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:52:34,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 00:52:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:52:35,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 00:52:35,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:52:37,869 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 00:52:37,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:52:51,294 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~a~0 (_ FloatingPoint 8 24))) (not (let ((.cse0 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~hb~0)))) (fp.gt (fp.sub c_currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 .cse0) .cse0)))) is different from false [2021-10-13 00:53:22,927 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 00:53:22,927 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:53:22,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107997924] [2021-10-13 00:53:22,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107997924] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:22,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:22,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 8] imperfect sequences [] total 13 [2021-10-13 00:53:22,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946388160] [2021-10-13 00:53:22,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 00:53:22,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:53:22,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 00:53:22,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=94, Unknown=10, NotChecked=20, Total=156 [2021-10-13 00:53:22,930 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 00:53:34,084 WARN L207 SmtUtils]: Spent 8.75 s on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2021-10-13 00:53:52,346 WARN L207 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2021-10-13 00:54:24,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:54:24,122 INFO L93 Difference]: Finished difference Result 140 states and 176 transitions. [2021-10-13 00:54:24,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:54:24,132 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 00:54:24,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:54:24,133 INFO L225 Difference]: With dead ends: 140 [2021-10-13 00:54:24,133 INFO L226 Difference]: Without dead ends: 101 [2021-10-13 00:54:24,134 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 65667.6ms TimeCoverageRelationStatistics Valid=62, Invalid=170, Unknown=12, NotChecked=28, Total=272 [2021-10-13 00:54:24,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-13 00:54:24,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2021-10-13 00:54:24,143 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 00:54:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 119 transitions. [2021-10-13 00:54:24,144 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 119 transitions. Word has length 34 [2021-10-13 00:54:24,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:54:24,144 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 119 transitions. [2021-10-13 00:54:24,144 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 00:54:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2021-10-13 00:54:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 00:54:24,146 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:54:24,146 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 00:54:24,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:54:24,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:54:24,352 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:54:24,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:54:24,353 INFO L82 PathProgramCache]: Analyzing trace with hash 13172387, now seen corresponding path program 1 times [2021-10-13 00:54:24,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:54:24,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921399756] [2021-10-13 00:54:24,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:54:24,354 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:54:24,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:54:24,354 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:54:24,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 00:54:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:54:25,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:54:25,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:54:26,516 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 00:54:26,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:54:30,257 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 00:54:30,258 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:54:30,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921399756] [2021-10-13 00:54:30,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [921399756] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:54:30,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:54:30,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 11 [2021-10-13 00:54:30,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787065968] [2021-10-13 00:54:30,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 00:54:30,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:54:30,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 00:54:30,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:54:30,261 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 00:54:31,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:54:31,210 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2021-10-13 00:54:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:54:31,212 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 00:54:31,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:54:31,213 INFO L225 Difference]: With dead ends: 95 [2021-10-13 00:54:31,213 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:54:31,214 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4089.4ms TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:54:31,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:54:31,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:54:31,215 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 00:54:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:54:31,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-13 00:54:31,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:54:31,216 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:54:31,216 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 00:54:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:54:31,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:54:31,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:54:31,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:54:31,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:54:31,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:54:31,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:54:31,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:55:32,153 WARN L207 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 193 DAG size of output: 170 [2021-10-13 00:56:21,700 WARN L207 SmtUtils]: Spent 49.53 s on a formula simplification. DAG size of input: 179 DAG size of output: 119 [2021-10-13 00:57:08,881 WARN L207 SmtUtils]: Spent 46.97 s on a formula simplification. DAG size of input: 161 DAG size of output: 107 [2021-10-13 00:57:09,188 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-10-13 00:57:09,189 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2021-10-13 00:57:09,189 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-10-13 00:57:09,189 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2021-10-13 00:57:09,189 INFO L853 garLoopResultBuilder]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2021-10-13 00:57:09,189 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2021-10-13 00:57:09,189 INFO L857 garLoopResultBuilder]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2021-10-13 00:57:09,189 INFO L853 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2021-10-13 00:57:09,189 INFO L857 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2021-10-13 00:57:09,189 INFO L857 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2021-10-13 00:57:09,190 INFO L857 garLoopResultBuilder]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2021-10-13 00:57:09,190 INFO L857 garLoopResultBuilder]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2021-10-13 00:57:09,190 INFO L857 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2021-10-13 00:57:09,190 INFO L857 garLoopResultBuilder]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2021-10-13 00:57:09,190 INFO L853 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2021-10-13 00:57:09,190 INFO L857 garLoopResultBuilder]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2021-10-13 00:57:09,190 INFO L857 garLoopResultBuilder]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2021-10-13 00:57:09,190 INFO L853 garLoopResultBuilder]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2021-10-13 00:57:09,190 INFO L857 garLoopResultBuilder]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2021-10-13 00:57:09,191 INFO L860 garLoopResultBuilder]: At program point L239(lines 224 240) the Hoare annotation is: true [2021-10-13 00:57:09,191 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-10-13 00:57:09,191 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2021-10-13 00:57:09,191 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2021-10-13 00:57:09,191 INFO L853 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2021-10-13 00:57:09,191 INFO L857 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2021-10-13 00:57:09,191 INFO L857 garLoopResultBuilder]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2021-10-13 00:57:09,191 INFO L853 garLoopResultBuilder]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2021-10-13 00:57:09,191 INFO L857 garLoopResultBuilder]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2021-10-13 00:57:09,192 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2021-10-13 00:57:09,192 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2021-10-13 00:57:09,192 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 00:57:09,192 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-13 00:57:09,192 INFO L857 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-10-13 00:57:09,192 INFO L857 garLoopResultBuilder]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2021-10-13 00:57:09,192 INFO L857 garLoopResultBuilder]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2021-10-13 00:57:09,192 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 200) no Hoare annotation was computed. [2021-10-13 00:57:09,193 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2021-10-13 00:57:09,193 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2021-10-13 00:57:09,193 INFO L853 garLoopResultBuilder]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2021-10-13 00:57:09,193 INFO L857 garLoopResultBuilder]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2021-10-13 00:57:09,193 INFO L853 garLoopResultBuilder]: At program point L80(lines 16 81) the Hoare annotation is: false [2021-10-13 00:57:09,193 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2021-10-13 00:57:09,193 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 174) no Hoare annotation was computed. [2021-10-13 00:57:09,193 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-13 00:57:09,193 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2021-10-13 00:57:09,194 INFO L857 garLoopResultBuilder]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2021-10-13 00:57:09,194 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 173) no Hoare annotation was computed. [2021-10-13 00:57:09,194 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2021-10-13 00:57:09,194 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 00:57:09,194 INFO L857 garLoopResultBuilder]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2021-10-13 00:57:09,194 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 173) no Hoare annotation was computed. [2021-10-13 00:57:09,195 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2021-10-13 00:57:09,195 INFO L853 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2021-10-13 00:57:09,195 INFO L857 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2021-10-13 00:57:09,195 INFO L853 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2021-10-13 00:57:09,195 INFO L857 garLoopResultBuilder]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2021-10-13 00:57:09,195 INFO L853 garLoopResultBuilder]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2021-10-13 00:57:09,195 INFO L857 garLoopResultBuilder]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2021-10-13 00:57:09,195 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:57:09,196 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2021-10-13 00:57:09,196 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-13 00:57:09,196 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 00:57:09,196 INFO L857 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2021-10-13 00:57:09,196 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-13 00:57:09,196 INFO L857 garLoopResultBuilder]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2021-10-13 00:57:09,196 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-10-13 00:57:09,196 INFO L857 garLoopResultBuilder]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-10-13 00:57:09,196 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-10-13 00:57:09,197 INFO L857 garLoopResultBuilder]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2021-10-13 00:57:09,197 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-10-13 00:57:09,197 INFO L853 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-10-13 00:57:09,197 INFO L857 garLoopResultBuilder]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2021-10-13 00:57:09,197 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2021-10-13 00:57:09,197 INFO L853 garLoopResultBuilder]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2021-10-13 00:57:09,197 INFO L857 garLoopResultBuilder]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2021-10-13 00:57:09,198 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 00:57:09,198 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 146) no Hoare annotation was computed. [2021-10-13 00:57:09,198 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2021-10-13 00:57:09,198 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:57:09,198 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 131) no Hoare annotation was computed. [2021-10-13 00:57:09,198 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2021-10-13 00:57:09,198 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2021-10-13 00:57:09,199 INFO L857 garLoopResultBuilder]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2021-10-13 00:57:09,199 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 00:57:09,199 INFO L857 garLoopResultBuilder]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2021-10-13 00:57:09,199 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2021-10-13 00:57:09,199 INFO L853 garLoopResultBuilder]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2021-10-13 00:57:09,199 INFO L857 garLoopResultBuilder]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2021-10-13 00:57:09,199 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:57:09,199 INFO L857 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L853 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-13 00:57:09,200 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:57:09,201 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-10-13 00:57:09,201 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 236) no Hoare annotation was computed. [2021-10-13 00:57:09,201 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 108) no Hoare annotation was computed. [2021-10-13 00:57:09,201 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2021-10-13 00:57:09,201 INFO L857 garLoopResultBuilder]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2021-10-13 00:57:09,201 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 70) no Hoare annotation was computed. [2021-10-13 00:57:09,201 INFO L857 garLoopResultBuilder]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2021-10-13 00:57:09,206 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:57:09,213 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 00:57:09,215 INFO L168 Benchmark]: Toolchain (without parser) took 683538.36 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 40.4 MB in the beginning and 42.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 46.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:57:09,215 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 60.8 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:57:09,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.47 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 43.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:57:09,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.99 ms. Allocated memory is still 60.8 MB. Free memory was 43.0 MB in the beginning and 40.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:57:09,217 INFO L168 Benchmark]: Boogie Preprocessor took 67.80 ms. Allocated memory is still 60.8 MB. Free memory was 40.3 MB in the beginning and 37.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:57:09,217 INFO L168 Benchmark]: RCFGBuilder took 9710.08 ms. Allocated memory is still 60.8 MB. Free memory was 37.5 MB in the beginning and 31.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:57:09,218 INFO L168 Benchmark]: TraceAbstraction took 673225.36 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 31.1 MB in the beginning and 42.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:57:09,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 60.8 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.47 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 43.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.99 ms. Allocated memory is still 60.8 MB. Free memory was 43.0 MB in the beginning and 40.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.80 ms. Allocated memory is still 60.8 MB. Free memory was 40.3 MB in the beginning and 37.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9710.08 ms. Allocated memory is still 60.8 MB. Free memory was 37.5 MB in the beginning and 31.6 MB in the end (delta: 5.9 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 673225.36 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 31.1 MB in the beginning and 42.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 33.9 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: 673139.4ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 48.6ms, AutomataDifference: 387734.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 157759.8ms, InitialAbstractionConstructionTime: 22.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 673 SDtfs, 1618 SDslu, 4712 SDs, 0 SdLazy, 1283 SolverSat, 162 SolverUnsat, 30 SolverUnknown, 0 SolverNotchecked, 175266.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 268 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 304912.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=2, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 118.8ms AutomataMinimizationTime, 7 MinimizatonAttempts, 170 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 41 NumberOfFragments, 1517 HoareAnnotationTreeSize, 23 FomulaSimplifications, 997 FormulaSimplificationTreeSizeReduction, 309.4ms HoareSimplificationTime, 23 FomulaSimplificationsInter, 1086 FormulaSimplificationTreeSizeReductionInter, 157439.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 113.9ms SsaConstructionTime, 1731.8ms SatisfiabilityAnalysisTime, 123351.6ms 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 00:57:09,455 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 00:57:09,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc125306-d0ff-4056-8981-7a7628fa5079/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...