./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.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_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f5e58fe25aaebf796c63bc50448f305eda1695c ..................................................................................................................................................................................................................................................................................................................................... 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_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f5e58fe25aaebf796c63bc50448f305eda1695c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:26:49,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:26:49,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:26:49,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:26:49,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:26:49,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:26:49,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:26:49,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:26:49,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:26:49,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:26:49,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:26:49,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:26:50,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:26:50,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:26:50,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:26:50,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:26:50,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:26:50,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:26:50,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:26:50,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:26:50,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:26:50,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:26:50,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:26:50,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:26:50,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:26:50,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:26:50,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:26:50,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:26:50,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:26:50,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:26:50,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:26:50,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:26:50,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:26:50,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:26:50,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:26:50,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:26:50,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:26:50,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:26:50,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:26:50,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:26:50,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:26:50,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:26:50,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:26:50,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:26:50,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:26:50,114 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:26:50,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:26:50,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:26:50,115 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:26:50,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:26:50,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:26:50,116 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:26:50,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:26:50,118 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:26:50,118 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:26:50,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:26:50,119 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:26:50,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:26:50,120 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:26:50,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:26:50,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:26:50,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:26:50,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:26:50,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:26:50,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:26:50,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:26:50,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:26:50,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:26:50,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:26:50,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:26:50,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:26:50,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:26:50,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:26:50,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:26:50,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:26:50,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:26:50,127 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:26:50,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:26:50,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:26:50,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:26:50,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:26:50,128 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f5e58fe25aaebf796c63bc50448f305eda1695c [2021-10-13 07:26:50,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:26:50,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:26:50,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:26:50,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:26:50,495 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:26:50,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2021-10-13 07:26:50,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data/f67e8c6a1/385c5e492bf7472cb3a2de6d375bd040/FLAGb39932d90 [2021-10-13 07:26:51,206 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:26:51,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2021-10-13 07:26:51,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data/f67e8c6a1/385c5e492bf7472cb3a2de6d375bd040/FLAGb39932d90 [2021-10-13 07:26:51,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data/f67e8c6a1/385c5e492bf7472cb3a2de6d375bd040 [2021-10-13 07:26:51,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:26:51,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:26:51,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:51,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:26:51,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:26:51,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:51" (1/1) ... [2021-10-13 07:26:51,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500c1139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:51, skipping insertion in model container [2021-10-13 07:26:51,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:51" (1/1) ... [2021-10-13 07:26:51,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:26:51,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:26:51,900 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_2adecf88-5499-420f-8f65-1dff1fe7e4ff/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2021-10-13 07:26:51,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:26:51,914 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:26:51,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2021-10-13 07:26:51,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:26:52,017 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:26:52,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52 WrapperNode [2021-10-13 07:26:52,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:52,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:26:52,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:26:52,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:26:52,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:26:52,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:26:52,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:26:52,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:26:52,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:26:52,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:26:52,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:26:52,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:26:52,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (1/1) ... [2021-10-13 07:26:52,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:26:52,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:26:52,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:26:52,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:26:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:26:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:26:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 07:26:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:26:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 07:26:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:26:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:26:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:26:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:26:54,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:26:54,065 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-10-13 07:26:54,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:26:54 BoogieIcfgContainer [2021-10-13 07:26:54,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:26:54,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:26:54,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:26:54,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:26:54,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:26:51" (1/3) ... [2021-10-13 07:26:54,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0d986c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:26:54, skipping insertion in model container [2021-10-13 07:26:54,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:52" (2/3) ... [2021-10-13 07:26:54,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0d986c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:26:54, skipping insertion in model container [2021-10-13 07:26:54,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:26:54" (3/3) ... [2021-10-13 07:26:54,081 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2021-10-13 07:26:54,092 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:26:54,092 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:26:54,172 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:26:54,180 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 07:26:54,180 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:26:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 55 states have (on average 1.7272727272727273) internal successors, (95), 56 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:26:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 07:26:54,206 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:26:54,207 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:26:54,207 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:26:54,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:26:54,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1548069478, now seen corresponding path program 1 times [2021-10-13 07:26:54,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:26:54,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068214843] [2021-10-13 07:26:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:26:54,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:26:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:26:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:26:54,466 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:26:54,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068214843] [2021-10-13 07:26:54,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068214843] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:26:54,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:26:54,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:26:54,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61394557] [2021-10-13 07:26:54,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:26:54,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:26:54,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:26:54,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:26:54,511 INFO L87 Difference]: Start difference. First operand has 57 states, 55 states have (on average 1.7272727272727273) internal successors, (95), 56 states have internal predecessors, (95), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:26:54,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:26:54,555 INFO L93 Difference]: Finished difference Result 113 states and 189 transitions. [2021-10-13 07:26:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:26:54,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-10-13 07:26:54,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:26:54,575 INFO L225 Difference]: With dead ends: 113 [2021-10-13 07:26:54,576 INFO L226 Difference]: Without dead ends: 55 [2021-10-13 07:26:54,581 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 07:26:54,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-13 07:26:54,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-13 07:26:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 54 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:26:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 76 transitions. [2021-10-13 07:26:54,641 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 76 transitions. Word has length 9 [2021-10-13 07:26:54,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:26:54,642 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 76 transitions. [2021-10-13 07:26:54,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:26:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2021-10-13 07:26:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:26:54,644 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:26:54,645 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:26:54,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:26:54,645 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:26:54,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:26:54,649 INFO L82 PathProgramCache]: Analyzing trace with hash 671408231, now seen corresponding path program 1 times [2021-10-13 07:26:54,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:26:54,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497241723] [2021-10-13 07:26:54,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:26:54,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:26:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:26:54,757 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:26:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:26:54,884 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:26:54,884 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:26:54,887 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:26:54,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:26:54,899 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:26:54,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:26:54 BoogieIcfgContainer [2021-10-13 07:26:54,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:26:54,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:26:54,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:26:54,971 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:26:54,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:26:54" (3/4) ... [2021-10-13 07:26:54,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:26:54,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:26:54,979 INFO L168 Benchmark]: Toolchain (without parser) took 3438.81 ms. Allocated memory is still 117.4 MB. Free memory was 83.1 MB in the beginning and 48.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:54,980 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 88.1 MB. Free memory was 61.6 MB in the beginning and 61.5 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:26:54,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.41 ms. Allocated memory is still 117.4 MB. Free memory was 82.9 MB in the beginning and 89.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:54,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.45 ms. Allocated memory is still 117.4 MB. Free memory was 89.5 MB in the beginning and 86.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:54,983 INFO L168 Benchmark]: Boogie Preprocessor took 112.91 ms. Allocated memory is still 117.4 MB. Free memory was 86.3 MB in the beginning and 83.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:54,984 INFO L168 Benchmark]: RCFGBuilder took 1796.86 ms. Allocated memory is still 117.4 MB. Free memory was 83.3 MB in the beginning and 75.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:54,985 INFO L168 Benchmark]: TraceAbstraction took 898.80 ms. Allocated memory is still 117.4 MB. Free memory was 75.2 MB in the beginning and 48.0 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:54,985 INFO L168 Benchmark]: Witness Printer took 5.59 ms. Allocated memory is still 117.4 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:26:54,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 88.1 MB. Free memory was 61.6 MB in the beginning and 61.5 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.41 ms. Allocated memory is still 117.4 MB. Free memory was 82.9 MB in the beginning and 89.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.45 ms. Allocated memory is still 117.4 MB. Free memory was 89.5 MB in the beginning and 86.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.91 ms. Allocated memory is still 117.4 MB. Free memory was 86.3 MB in the beginning and 83.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1796.86 ms. Allocated memory is still 117.4 MB. Free memory was 83.3 MB in the beginning and 75.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 898.80 ms. Allocated memory is still 117.4 MB. Free memory was 75.2 MB in the beginning and 48.0 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.59 ms. Allocated memory is still 117.4 MB. Free memory is still 48.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 239]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 165, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 238. Possible FailurePath: [L30] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L155] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; [L234] double x = 1.0; [L158] double z, p, q, r, w, s, c, df; [L159] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L161] ieee_double_shape_type gh_u; [L162] gh_u.value = (x) [L163] EXPR gh_u.parts.msw [L163] (hx) = gh_u.parts.msw [L165] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L166] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND TRUE ix < 0x3fe00000 [L182] COND FALSE !(ix <= 0x3c600000) [L184] z = x * x [L185-L188] p = z * (pS0_acos + z * (pS1_acos + z * (pS2_acos + z * (pS3_acos + z * (pS4_acos + z * pS5_acos))))) [L189-L190] q = one_acos + z * (qS1_acos + z * (qS2_acos + z * (qS3_acos + z * qS4_acos))) [L191] r = p / q [L192] return pio2_hi_acos - (x - (pio2_lo_acos - x * r)); VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L235] double res = __ieee754_acos(x); [L238] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L239] reach_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 725.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 14.3ms, AutomataDifference: 102.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 78 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=57occurred 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: 41.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.7ms SsaConstructionTime, 133.0ms SatisfiabilityAnalysisTime, 90.3ms InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 07:26:55,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:26:58,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:26:58,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:26:58,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:26:58,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:26:58,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:26:58,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:26:58,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:26:58,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:26:58,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:26:58,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:26:58,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:26:58,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:26:58,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:26:58,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:26:58,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:26:58,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:26:58,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:26:58,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:26:58,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:26:58,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:26:58,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:26:58,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:26:58,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:26:58,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:26:58,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:26:58,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:26:58,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:26:58,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:26:58,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:26:58,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:26:58,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:26:58,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:26:58,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:26:58,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:26:58,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:26:58,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:26:58,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:26:58,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:26:58,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:26:58,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:26:58,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:26:58,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:26:58,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:26:58,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:26:58,320 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:26:58,321 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:26:58,321 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:26:58,321 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:26:58,321 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:26:58,322 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:26:58,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:26:58,323 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:26:58,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:26:58,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:26:58,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:26:58,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:26:58,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:26:58,324 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:26:58,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:26:58,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:26:58,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:26:58,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:26:58,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:26:58,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:26:58,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:26:58,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:26:58,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:26:58,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:26:58,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:26:58,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:26:58,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:26:58,328 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:26:58,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:26:58,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:26:58,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:26:58,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:26:58,329 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_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f5e58fe25aaebf796c63bc50448f305eda1695c [2021-10-13 07:26:58,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:26:58,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:26:58,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:26:58,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:26:58,845 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:26:58,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2021-10-13 07:26:58,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data/e9d985ab6/0d8a6e1fe3e1415692b7bcc39002639a/FLAG2105d7666 [2021-10-13 07:26:59,668 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:26:59,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2021-10-13 07:26:59,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data/e9d985ab6/0d8a6e1fe3e1415692b7bcc39002639a/FLAG2105d7666 [2021-10-13 07:26:59,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/data/e9d985ab6/0d8a6e1fe3e1415692b7bcc39002639a [2021-10-13 07:26:59,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:26:59,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:26:59,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:59,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:26:59,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:26:59,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:59" (1/1) ... [2021-10-13 07:26:59,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c978d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:59, skipping insertion in model container [2021-10-13 07:26:59,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:59" (1/1) ... [2021-10-13 07:26:59,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:27:00,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:27:00,280 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_2adecf88-5499-420f-8f65-1dff1fe7e4ff/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2021-10-13 07:27:00,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:27:00,322 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:27:00,393 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_2adecf88-5499-420f-8f65-1dff1fe7e4ff/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2021-10-13 07:27:00,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:27:00,424 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:27:00,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00 WrapperNode [2021-10-13 07:27:00,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:00,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:27:00,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:27:00,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:27:00,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:27:00,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:27:00,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:27:00,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:27:00,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:27:00,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:27:00,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:27:00,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:27:00,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:27:00,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:27:00,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:27:00,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:27:00,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 07:27:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 07:27:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:27:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:27:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:27:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:27:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:27:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:27:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:27:23,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:27:23,084 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-10-13 07:27:23,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:23 BoogieIcfgContainer [2021-10-13 07:27:23,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:27:23,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:27:23,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:27:23,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:27:23,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:26:59" (1/3) ... [2021-10-13 07:27:23,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecddcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:27:23, skipping insertion in model container [2021-10-13 07:27:23,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00" (2/3) ... [2021-10-13 07:27:23,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecddcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:27:23, skipping insertion in model container [2021-10-13 07:27:23,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:23" (3/3) ... [2021-10-13 07:27:23,104 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2021-10-13 07:27:23,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:27:23,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:27:23,168 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:27:23,176 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 07:27:23,177 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:27:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 106 states have (on average 1.6886792452830188) internal successors, (179), 107 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:27:23,207 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:23,208 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:23,209 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:23,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:23,217 INFO L82 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2021-10-13 07:27:23,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:23,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157430202] [2021-10-13 07:27:23,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:23,236 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:23,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:23,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:23,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:27:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:24,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:27:24,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:25,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:25,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:25,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157430202] [2021-10-13 07:27:25,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157430202] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:25,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:25,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:27:25,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721285279] [2021-10-13 07:27:25,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:27:25,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:25,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:27:25,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:27:25,438 INFO L87 Difference]: Start difference. First operand has 108 states, 106 states have (on average 1.6886792452830188) internal successors, (179), 107 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:25,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:25,487 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2021-10-13 07:27:25,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:27:25,488 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 07:27:25,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:25,499 INFO L225 Difference]: With dead ends: 214 [2021-10-13 07:27:25,499 INFO L226 Difference]: Without dead ends: 105 [2021-10-13 07:27:25,503 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:27:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-13 07:27:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-13 07:27:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.4519230769230769) internal successors, (151), 104 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-10-13 07:27:25,554 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 11 [2021-10-13 07:27:25,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:25,555 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-10-13 07:27:25,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-10-13 07:27:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:27:25,560 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:25,560 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:25,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:27:25,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:25,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:25,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:25,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1327273670, now seen corresponding path program 1 times [2021-10-13 07:27:25,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:25,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866772004] [2021-10-13 07:27:25,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:25,777 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:25,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:25,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:25,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:27:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:26,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:27:26,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:27,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:29,870 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:29,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866772004] [2021-10-13 07:27:29,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866772004] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:29,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:29,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:27:29,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913938434] [2021-10-13 07:27:29,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:27:29,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:29,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:27:29,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:27:29,875 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:32,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:32,645 INFO L93 Difference]: Finished difference Result 114 states and 160 transitions. [2021-10-13 07:27:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:27:32,665 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 12 [2021-10-13 07:27:32,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:32,666 INFO L225 Difference]: With dead ends: 114 [2021-10-13 07:27:32,666 INFO L226 Difference]: Without dead ends: 19 [2021-10-13 07:27:32,667 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2690.6ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:27:32,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-13 07:27:32,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-13 07:27:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:32,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-10-13 07:27:32,673 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2021-10-13 07:27:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:32,674 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-10-13 07:27:32,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-10-13 07:27:32,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:27:32,676 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:32,676 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:32,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:32,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:32,890 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:32,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:32,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1300609201, now seen corresponding path program 1 times [2021-10-13 07:27:32,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:32,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884339720] [2021-10-13 07:27:32,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:32,893 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:32,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:32,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:32,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:27:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:34,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 07:27:34,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:34,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-10-13 07:27:38,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:27:38,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 67 [2021-10-13 07:27:39,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-10-13 07:27:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:41,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:44,141 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:27:44,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 61 [2021-10-13 07:27:44,375 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:27:44,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 63 [2021-10-13 07:27:44,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 07:27:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:46,685 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:46,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884339720] [2021-10-13 07:27:46,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884339720] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:46,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:46,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-13 07:27:46,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597694895] [2021-10-13 07:27:46,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:27:46,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:27:46,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:27:46,688 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:49,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:49,404 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2021-10-13 07:27:49,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:27:49,404 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-13 07:27:49,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:49,405 INFO L225 Difference]: With dead ends: 31 [2021-10-13 07:27:49,405 INFO L226 Difference]: Without dead ends: 22 [2021-10-13 07:27:49,406 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5796.4ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:27:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-13 07:27:49,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2021-10-13 07:27:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-10-13 07:27:49,412 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2021-10-13 07:27:49,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:49,413 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-10-13 07:27:49,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-10-13 07:27:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 07:27:49,414 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:49,415 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:49,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:49,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:49,630 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:49,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:49,631 INFO L82 PathProgramCache]: Analyzing trace with hash 2062223078, now seen corresponding path program 1 times [2021-10-13 07:27:49,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:49,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780636155] [2021-10-13 07:27:49,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:49,632 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:49,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:49,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:49,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:27:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:49,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:27:49,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:50,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:50,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:50,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780636155] [2021-10-13 07:27:50,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780636155] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:50,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:50,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-10-13 07:27:50,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150412293] [2021-10-13 07:27:50,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:27:50,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:50,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:27:50,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:27:50,870 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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 07:27:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:51,394 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2021-10-13 07:27:51,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:27:51,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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 14 [2021-10-13 07:27:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:51,396 INFO L225 Difference]: With dead ends: 22 [2021-10-13 07:27:51,396 INFO L226 Difference]: Without dead ends: 19 [2021-10-13 07:27:51,397 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 772.0ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:27:51,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-13 07:27:51,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-13 07:27:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-10-13 07:27:51,402 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2021-10-13 07:27:51,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:51,402 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-10-13 07:27:51,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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 07:27:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-10-13 07:27:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 07:27:51,404 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:27:51,404 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:27:51,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:51,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:51,605 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:27:51,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:27:51,605 INFO L82 PathProgramCache]: Analyzing trace with hash -832376325, now seen corresponding path program 1 times [2021-10-13 07:27:51,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:27:51,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757606303] [2021-10-13 07:27:51,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:27:51,606 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:27:51,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:27:51,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:27:51,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:27:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:27:51,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 07:27:51,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:27:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:54,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:27:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:27:57,368 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:27:57,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757606303] [2021-10-13 07:27:57,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757606303] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:27:57,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:27:57,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2021-10-13 07:27:57,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422210965] [2021-10-13 07:27:57,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 07:27:57,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:27:57,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 07:27:57,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:27:57,372 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:59,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:27:59,582 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-10-13 07:27:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:27:59,583 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 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 18 [2021-10-13 07:27:59,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:27:59,583 INFO L225 Difference]: With dead ends: 19 [2021-10-13 07:27:59,583 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:27:59,584 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5653.3ms TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-10-13 07:27:59,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:27:59,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:27:59,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:27:59,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-13 07:27:59,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:27:59,585 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:27:59,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:27:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:27:59,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:27:59,588 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:27:59,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:27:59,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:27:59,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:27:59,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:27:59,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:28:03,867 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-10-13 07:28:03,867 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start___ieee754_acos_~x (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= (bvand (_ bv2147483647 32) .cse0) ULTIMATE.start___ieee754_acos_~ix~0) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_14|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0))))) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) ((_ to_fp 11 53) currentRoundingMode 1.0)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_acos_~hx~0)))) [2021-10-13 07:28:03,868 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 166 180) no Hoare annotation was computed. [2021-10-13 07:28:03,868 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2021-10-13 07:28:03,868 INFO L857 garLoopResultBuilder]: For program point L103-2(lines 103 104) no Hoare annotation was computed. [2021-10-13 07:28:03,868 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 103 104) no Hoare annotation was computed. [2021-10-13 07:28:03,868 INFO L857 garLoopResultBuilder]: For program point L103-5(lines 103 104) no Hoare annotation was computed. [2021-10-13 07:28:03,869 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 74) no Hoare annotation was computed. [2021-10-13 07:28:03,869 INFO L857 garLoopResultBuilder]: For program point L38-1(lines 38 43) no Hoare annotation was computed. [2021-10-13 07:28:03,869 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 74) no Hoare annotation was computed. [2021-10-13 07:28:03,869 INFO L853 garLoopResultBuilder]: At program point L38-2(lines 38 43) the Hoare annotation is: false [2021-10-13 07:28:03,870 INFO L857 garLoopResultBuilder]: For program point L71-3(lines 71 74) no Hoare annotation was computed. [2021-10-13 07:28:03,870 INFO L857 garLoopResultBuilder]: For program point L38-3(lines 32 140) no Hoare annotation was computed. [2021-10-13 07:28:03,870 INFO L857 garLoopResultBuilder]: For program point L71-5(lines 71 74) no Hoare annotation was computed. [2021-10-13 07:28:03,870 INFO L857 garLoopResultBuilder]: For program point L38-5(lines 38 43) no Hoare annotation was computed. [2021-10-13 07:28:03,871 INFO L853 garLoopResultBuilder]: At program point L38-6(lines 38 43) the Hoare annotation is: false [2021-10-13 07:28:03,871 INFO L857 garLoopResultBuilder]: For program point L38-7(lines 32 140) no Hoare annotation was computed. [2021-10-13 07:28:03,871 INFO L857 garLoopResultBuilder]: For program point L238(line 238) no Hoare annotation was computed. [2021-10-13 07:28:03,871 INFO L857 garLoopResultBuilder]: For program point L238-2(lines 238 241) no Hoare annotation was computed. [2021-10-13 07:28:03,872 INFO L853 garLoopResultBuilder]: At program point L139(lines 32 140) the Hoare annotation is: false [2021-10-13 07:28:03,872 INFO L853 garLoopResultBuilder]: At program point L139-1(lines 32 140) the Hoare annotation is: false [2021-10-13 07:28:03,872 INFO L857 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-10-13 07:28:03,872 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 177) no Hoare annotation was computed. [2021-10-13 07:28:03,872 INFO L857 garLoopResultBuilder]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2021-10-13 07:28:03,873 INFO L853 garLoopResultBuilder]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2021-10-13 07:28:03,873 INFO L857 garLoopResultBuilder]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2021-10-13 07:28:03,873 INFO L860 garLoopResultBuilder]: At program point L243(lines 228 244) the Hoare annotation is: true [2021-10-13 07:28:03,873 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 127) no Hoare annotation was computed. [2021-10-13 07:28:03,874 INFO L857 garLoopResultBuilder]: For program point L113-1(lines 113 127) no Hoare annotation was computed. [2021-10-13 07:28:03,874 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 225) no Hoare annotation was computed. [2021-10-13 07:28:03,874 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 126) no Hoare annotation was computed. [2021-10-13 07:28:03,874 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 54) no Hoare annotation was computed. [2021-10-13 07:28:03,875 INFO L857 garLoopResultBuilder]: For program point L115-2(lines 115 126) no Hoare annotation was computed. [2021-10-13 07:28:03,875 INFO L853 garLoopResultBuilder]: At program point L82-2(lines 82 92) the Hoare annotation is: false [2021-10-13 07:28:03,875 INFO L857 garLoopResultBuilder]: For program point L49-2(lines 49 54) no Hoare annotation was computed. [2021-10-13 07:28:03,875 INFO L857 garLoopResultBuilder]: For program point L82-3(lines 82 92) no Hoare annotation was computed. [2021-10-13 07:28:03,876 INFO L857 garLoopResultBuilder]: For program point L49-3(lines 49 54) no Hoare annotation was computed. [2021-10-13 07:28:03,876 INFO L857 garLoopResultBuilder]: For program point L49-5(lines 49 54) no Hoare annotation was computed. [2021-10-13 07:28:03,876 INFO L853 garLoopResultBuilder]: At program point L82-6(lines 82 92) the Hoare annotation is: false [2021-10-13 07:28:03,876 INFO L857 garLoopResultBuilder]: For program point L82-7(lines 82 92) no Hoare annotation was computed. [2021-10-13 07:28:03,877 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 183) no Hoare annotation was computed. [2021-10-13 07:28:03,877 INFO L857 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-10-13 07:28:03,877 INFO L857 garLoopResultBuilder]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2021-10-13 07:28:03,877 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2021-10-13 07:28:03,878 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 88) no Hoare annotation was computed. [2021-10-13 07:28:03,878 INFO L857 garLoopResultBuilder]: For program point L117-2(lines 117 125) no Hoare annotation was computed. [2021-10-13 07:28:03,878 INFO L857 garLoopResultBuilder]: For program point L84-2(lines 84 88) no Hoare annotation was computed. [2021-10-13 07:28:03,878 INFO L857 garLoopResultBuilder]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2021-10-13 07:28:03,878 INFO L857 garLoopResultBuilder]: For program point L84-5(lines 84 88) no Hoare annotation was computed. [2021-10-13 07:28:03,879 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 53) no Hoare annotation was computed. [2021-10-13 07:28:03,879 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 52 53) no Hoare annotation was computed. [2021-10-13 07:28:03,879 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:28:03,880 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2021-10-13 07:28:03,880 INFO L857 garLoopResultBuilder]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2021-10-13 07:28:03,880 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-13 07:28:03,880 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short19| (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start___ieee754_acos_~x (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= .cse0 ULTIMATE.start___ieee754_acos_~hx~0) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_14|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (= (bvor (bvadd (_ bv3222274048 32) ULTIMATE.start___ieee754_acos_~ix~0) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32))) [2021-10-13 07:28:03,881 INFO L857 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-10-13 07:28:03,881 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-10-13 07:28:03,881 INFO L857 garLoopResultBuilder]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2021-10-13 07:28:03,881 INFO L857 garLoopResultBuilder]: For program point L121-3(lines 121 122) no Hoare annotation was computed. [2021-10-13 07:28:03,881 INFO L857 garLoopResultBuilder]: For program point L121-5(lines 121 122) no Hoare annotation was computed. [2021-10-13 07:28:03,882 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 68) no Hoare annotation was computed. [2021-10-13 07:28:03,882 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 68) no Hoare annotation was computed. [2021-10-13 07:28:03,882 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 68) no Hoare annotation was computed. [2021-10-13 07:28:03,882 INFO L857 garLoopResultBuilder]: For program point L57-5(lines 57 68) no Hoare annotation was computed. [2021-10-13 07:28:03,883 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:28:03,883 INFO L853 garLoopResultBuilder]: At program point L58-2(lines 58 62) the Hoare annotation is: false [2021-10-13 07:28:03,883 INFO L857 garLoopResultBuilder]: For program point L58-3(lines 58 62) no Hoare annotation was computed. [2021-10-13 07:28:03,883 INFO L853 garLoopResultBuilder]: At program point L58-6(lines 58 62) the Hoare annotation is: false [2021-10-13 07:28:03,884 INFO L857 garLoopResultBuilder]: For program point L58-7(lines 58 62) no Hoare annotation was computed. [2021-10-13 07:28:03,884 INFO L853 garLoopResultBuilder]: At program point L224(lines 157 226) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start___ieee754_acos_~x (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))) (= .cse0 ULTIMATE.start___ieee754_acos_~hx~0) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_14|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) .cse0))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= (bvor (bvadd (_ bv3222274048 32) ULTIMATE.start___ieee754_acos_~ix~0) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32))) [2021-10-13 07:28:03,884 INFO L853 garLoopResultBuilder]: At program point L27(lines 18 28) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short19| (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (= (bvor (bvadd (_ bv3222274048 32) ULTIMATE.start___ieee754_acos_~ix~0) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32)) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) ((_ to_fp 11 53) currentRoundingMode 1.0)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_acos_~hx~0))) (exists ((|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_16|))))) [2021-10-13 07:28:03,885 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 225) no Hoare annotation was computed. [2021-10-13 07:28:03,885 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 160 164) no Hoare annotation was computed. [2021-10-13 07:28:03,885 INFO L853 garLoopResultBuilder]: At program point L160-2(lines 160 164) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_acos_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2021-10-13 07:28:03,885 INFO L857 garLoopResultBuilder]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2021-10-13 07:28:03,886 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:28:03,886 INFO L853 garLoopResultBuilder]: At program point L95-2(lines 95 111) the Hoare annotation is: false [2021-10-13 07:28:03,886 INFO L857 garLoopResultBuilder]: For program point L95-3(lines 32 140) no Hoare annotation was computed. [2021-10-13 07:28:03,886 INFO L853 garLoopResultBuilder]: At program point L95-6(lines 95 111) the Hoare annotation is: false [2021-10-13 07:28:03,887 INFO L857 garLoopResultBuilder]: For program point L95-7(lines 32 140) no Hoare annotation was computed. [2021-10-13 07:28:03,887 INFO L857 garLoopResultBuilder]: For program point L63-2(lines 63 64) no Hoare annotation was computed. [2021-10-13 07:28:03,887 INFO L853 garLoopResultBuilder]: At program point L63-3(lines 63 64) the Hoare annotation is: false [2021-10-13 07:28:03,887 INFO L857 garLoopResultBuilder]: For program point L63-4(lines 63 64) no Hoare annotation was computed. [2021-10-13 07:28:03,887 INFO L857 garLoopResultBuilder]: For program point L63-7(lines 63 64) no Hoare annotation was computed. [2021-10-13 07:28:03,888 INFO L853 garLoopResultBuilder]: At program point L63-8(lines 63 64) the Hoare annotation is: false [2021-10-13 07:28:03,888 INFO L857 garLoopResultBuilder]: For program point L63-9(lines 63 64) no Hoare annotation was computed. [2021-10-13 07:28:03,888 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 131) no Hoare annotation was computed. [2021-10-13 07:28:03,888 INFO L857 garLoopResultBuilder]: For program point L130-2(lines 130 131) no Hoare annotation was computed. [2021-10-13 07:28:03,889 INFO L857 garLoopResultBuilder]: For program point L130-3(lines 130 131) no Hoare annotation was computed. [2021-10-13 07:28:03,889 INFO L857 garLoopResultBuilder]: For program point L130-5(lines 130 131) no Hoare annotation was computed. [2021-10-13 07:28:03,889 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 107) no Hoare annotation was computed. [2021-10-13 07:28:03,889 INFO L857 garLoopResultBuilder]: For program point L98-2(lines 98 107) no Hoare annotation was computed. [2021-10-13 07:28:03,889 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:28:03,890 INFO L857 garLoopResultBuilder]: For program point L98-3(lines 98 107) no Hoare annotation was computed. [2021-10-13 07:28:03,890 INFO L857 garLoopResultBuilder]: For program point L98-5(lines 98 107) no Hoare annotation was computed. [2021-10-13 07:28:03,890 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2021-10-13 07:28:03,890 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 180) no Hoare annotation was computed. [2021-10-13 07:28:03,891 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 101) no Hoare annotation was computed. [2021-10-13 07:28:03,891 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 138) no Hoare annotation was computed. [2021-10-13 07:28:03,891 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 133 138) the Hoare annotation is: false [2021-10-13 07:28:03,891 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 100 101) no Hoare annotation was computed. [2021-10-13 07:28:03,891 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 138) no Hoare annotation was computed. [2021-10-13 07:28:03,892 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 101) no Hoare annotation was computed. [2021-10-13 07:28:03,892 INFO L857 garLoopResultBuilder]: For program point L133-5(lines 133 138) no Hoare annotation was computed. [2021-10-13 07:28:03,892 INFO L857 garLoopResultBuilder]: For program point L100-5(lines 100 101) no Hoare annotation was computed. [2021-10-13 07:28:03,892 INFO L853 garLoopResultBuilder]: At program point L133-6(lines 133 138) the Hoare annotation is: false [2021-10-13 07:28:03,892 INFO L857 garLoopResultBuilder]: For program point L133-7(lines 133 138) no Hoare annotation was computed. [2021-10-13 07:28:03,897 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:28:03,905 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,906 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,907 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,907 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,907 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,907 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:03,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:03,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:03,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:03,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,918 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,919 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:03,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:03,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:03,920 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:03,924 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,945 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,946 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,947 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,948 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,948 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,948 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,948 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,949 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,949 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,949 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,949 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:03,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,953 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,963 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:03,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:03,966 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:03,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:28:03 BoogieIcfgContainer [2021-10-13 07:28:03,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:28:03,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:28:03,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:28:03,969 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:28:03,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:27:23" (3/4) ... [2021-10-13 07:28:03,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:28:04,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-10-13 07:28:04,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-13 07:28:04,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:28:04,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:28:04,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) [2021-10-13 07:28:04,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32]) == ix) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32])) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) [2021-10-13 07:28:04,068 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32]) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32 [2021-10-13 07:28:04,071 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == 0.0 && __signbit_double(res) == 0-aux && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32])) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32 [2021-10-13 07:28:04,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) && v_skolemized_q#valueAsBitvector_13[63:32] == hx)) && (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) && msw == v_skolemized_q#valueAsBitvector_16[63:32]) [2021-10-13 07:28:04,188 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:28:04,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:28:04,190 INFO L168 Benchmark]: Toolchain (without parser) took 64228.55 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 40.3 MB in the beginning and 40.8 MB in the end (delta: -491.9 kB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:04,190 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:28:04,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.73 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 39.7 MB in the end (delta: 454.4 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:04,192 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.95 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 36.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:04,193 INFO L168 Benchmark]: Boogie Preprocessor took 74.76 ms. Allocated memory is still 60.8 MB. Free memory was 36.6 MB in the beginning and 33.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:04,193 INFO L168 Benchmark]: RCFGBuilder took 22497.41 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 33.7 MB in the beginning and 55.7 MB in the end (delta: -22.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:04,194 INFO L168 Benchmark]: TraceAbstraction took 40878.54 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 51.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:04,194 INFO L168 Benchmark]: Witness Printer took 219.94 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 40.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:28:04,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.73 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 39.7 MB in the end (delta: 454.4 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.95 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 36.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.76 ms. Allocated memory is still 60.8 MB. Free memory was 36.6 MB in the beginning and 33.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22497.41 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 33.7 MB in the beginning and 55.7 MB in the end (delta: -22.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 40878.54 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 51.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 219.94 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 40.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 239]: 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, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40732.0ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 20.2ms, AutomataDifference: 8348.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4077.5ms, InitialAbstractionConstructionTime: 16.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 206 SDtfs, 169 SDslu, 108 SDs, 0 SdLazy, 54 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3334.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 14912.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 48.6ms AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 27 NumberOfFragments, 250 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 116.2ms HoareSimplificationTime, 21 FomulaSimplificationsInter, 177 FormulaSimplificationTreeSizeReductionInter, 3952.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 89.8ms SsaConstructionTime, 2866.7ms SatisfiabilityAnalysisTime, 23751.4ms InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 22 QuantifiedInterpolants, 720 SizeOfPredicates, 28 NumberOfNonLiveVariables, 332 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - InvariantResult [Line: 18]: Loop Invariant [2021-10-13 07:28:04,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,226 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,227 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:04,230 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:04,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:04,231 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:04,240 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,241 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:04,245 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:04,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2021-10-13 07:28:04,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] Derived loop invariant: (((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) && v_skolemized_q#valueAsBitvector_13[63:32] == hx)) && (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) && msw == v_skolemized_q#valueAsBitvector_16[63:32]) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant [2021-10-13 07:28:04,252 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,252 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,253 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,253 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,253 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,256 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-10-13 07:28:04,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,260 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32]) == ix) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32])) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant [2021-10-13 07:28:04,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,266 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,267 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32]) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32 - InvariantResult [Line: 160]: Loop Invariant [2021-10-13 07:28:04,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2021-10-13 07:28:04,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-13 07:28:04,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-13 07:28:04,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8,QUANTIFIED] [2021-10-13 07:28:04,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((aux-res == 0.0 && __signbit_double(res) == 0-aux && (\exists v_skolemized_q#valueAsBitvector_14 : bv64, v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8 : bv32 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32] == hx) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][0bv32] == v_skolemized_q#valueAsBitvector_14[31:0]) && v_skolemized_q#valueAsBitvector_14[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_acos_~#gh_u~1.base_8][4bv32])) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) && ~Pluszero~LONGDOUBLE() == \result) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && ~bvor32(~bvadd64(3222274048bv32, ix), lx) == 0bv32 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:28:04,510 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 07:28:04,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2adecf88-5499-420f-8f65-1dff1fe7e4ff/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...