./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_7.i --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_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/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_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/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_920251e5-1010-4df1-9979-0e47de754b3d/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 11a173a69560d75c2eb39d6ac1ff4cdd28ef28d2 ................................................................................................................................................................................................................................................ 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_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/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_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/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_920251e5-1010-4df1-9979-0e47de754b3d/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 11a173a69560d75c2eb39d6ac1ff4cdd28ef28d2 .......................................................................................................................................................................................................................................................................................................................................................................... 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 07:45:04,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:45:04,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:45:04,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:45:04,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:45:04,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:45:04,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:45:04,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:45:04,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:45:04,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:45:04,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:45:04,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:45:04,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:45:04,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:45:04,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:45:04,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:45:04,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:45:04,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:45:04,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:45:04,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:45:04,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:45:04,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:45:04,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:45:04,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:45:04,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:45:04,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:45:04,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:45:04,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:45:04,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:45:04,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:45:04,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:45:04,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:45:04,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:45:04,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:45:04,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:45:04,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:45:04,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:45:04,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:45:04,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:45:04,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:45:04,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:45:04,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:45:04,642 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:45:04,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:45:04,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:45:04,644 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:45:04,644 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:45:04,644 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:45:04,644 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:45:04,644 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:45:04,645 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:45:04,645 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:45:04,646 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:45:04,646 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:45:04,647 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:45:04,647 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:45:04,647 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:45:04,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:45:04,648 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:45:04,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:45:04,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:45:04,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:45:04,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:45:04,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:45:04,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:45:04,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:45:04,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:45:04,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:45:04,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:45:04,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:45:04,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:45:04,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:45:04,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:45:04,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:45:04,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:45:04,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:45:04,654 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:45:04,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:45:04,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:45:04,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:45:04,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:45:04,655 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_920251e5-1010-4df1-9979-0e47de754b3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a173a69560d75c2eb39d6ac1ff4cdd28ef28d2 [2021-10-13 07:45:05,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:45:05,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:45:05,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:45:05,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:45:05,051 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:45:05,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-cdfpl/sine_7.i [2021-10-13 07:45:05,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data/98e2a8617/a01dcb81a8b542958db8c3600e7efe70/FLAG893796d19 [2021-10-13 07:45:05,745 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:45:05,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/sv-benchmarks/c/floats-cdfpl/sine_7.i [2021-10-13 07:45:05,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data/98e2a8617/a01dcb81a8b542958db8c3600e7efe70/FLAG893796d19 [2021-10-13 07:45:06,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data/98e2a8617/a01dcb81a8b542958db8c3600e7efe70 [2021-10-13 07:45:06,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:45:06,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:45:06,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:45:06,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:45:06,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:45:06,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,131 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 07:45:06, skipping insertion in model container [2021-10-13 07:45:06,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:45:06,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:45:06,384 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_920251e5-1010-4df1-9979-0e47de754b3d/sv-benchmarks/c/floats-cdfpl/sine_7.i[1143,1156] [2021-10-13 07:45:06,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:45:06,397 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:45:06,413 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_920251e5-1010-4df1-9979-0e47de754b3d/sv-benchmarks/c/floats-cdfpl/sine_7.i[1143,1156] [2021-10-13 07:45:06,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:45:06,430 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:45:06,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06 WrapperNode [2021-10-13 07:45:06,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:45:06,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:45:06,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:45:06,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:45:06,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:45:06,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:45:06,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:45:06,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:45:06,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:45:06,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:45:06,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:45:06,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:45:06,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (1/1) ... [2021-10-13 07:45:06,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:45:06,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:45:06,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:45:06,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:45:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:45:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:45:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:45:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:45:06,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:45:06,855 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 07:45:06,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:45:06 BoogieIcfgContainer [2021-10-13 07:45:06,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:45:06,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:45:06,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:45:06,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:45:06,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:45:06" (1/3) ... [2021-10-13 07:45:06,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47191da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:45:06, skipping insertion in model container [2021-10-13 07:45:06,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:06" (2/3) ... [2021-10-13 07:45:06,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47191da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:45:06, skipping insertion in model container [2021-10-13 07:45:06,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:45:06" (3/3) ... [2021-10-13 07:45:06,867 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_7.i [2021-10-13 07:45:06,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:45:06,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:45:06,939 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:45:06,946 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 07:45:06,947 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:45:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 07:45:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 07:45:06,968 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:45:06,968 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 07:45:06,969 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:45:06,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:45:06,976 INFO L82 PathProgramCache]: Analyzing trace with hash 56123, now seen corresponding path program 1 times [2021-10-13 07:45:06,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:45:06,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281797954] [2021-10-13 07:45:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:45:06,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:45:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:45:07,109 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:45:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:45:07,189 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:45:07,191 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:45:07,194 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:45:07,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:45:07,209 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:45:07,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:45:07 BoogieIcfgContainer [2021-10-13 07:45:07,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:45:07,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:45:07,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:45:07,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:45:07,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:45:06" (3/4) ... [2021-10-13 07:45:07,244 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:45:07,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:45:07,247 INFO L168 Benchmark]: Toolchain (without parser) took 1123.67 ms. Allocated memory is still 100.7 MB. Free memory was 59.6 MB in the beginning and 48.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:45:07,247 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:45:07,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.63 ms. Allocated memory is still 100.7 MB. Free memory was 59.4 MB in the beginning and 75.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:45:07,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.87 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 74.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:45:07,250 INFO L168 Benchmark]: Boogie Preprocessor took 22.84 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 73.4 MB in the end (delta: 916.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:45:07,251 INFO L168 Benchmark]: RCFGBuilder took 353.61 ms. Allocated memory is still 100.7 MB. Free memory was 73.4 MB in the beginning and 62.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:45:07,252 INFO L168 Benchmark]: TraceAbstraction took 377.66 ms. Allocated memory is still 100.7 MB. Free memory was 62.0 MB in the beginning and 49.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:45:07,256 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 100.7 MB. Free memory was 49.1 MB in the beginning and 48.8 MB in the end (delta: 309.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:45:07,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 306.63 ms. Allocated memory is still 100.7 MB. Free memory was 59.4 MB in the beginning and 75.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.87 ms. Allocated memory is still 100.7 MB. Free memory was 75.8 MB in the beginning and 74.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.84 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 73.4 MB in the end (delta: 916.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 353.61 ms. Allocated memory is still 100.7 MB. Free memory was 73.4 MB in the beginning and 62.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 377.66 ms. Allocated memory is still 100.7 MB. Free memory was 62.0 MB in the beginning and 49.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.66 ms. Allocated memory is still 100.7 MB. Free memory was 49.1 MB in the beginning and 48.8 MB in the end (delta: 309.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 28]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 27, overapproximation of someBinaryArithmeticFLOAToperation at line 25. Possible FailurePath: [L20] float IN = __VERIFIER_nondet_float(); [L15] COND FALSE !(!cond) [L23] float x = IN; [L25] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L27] COND TRUE !(result <= 1.5f && result >= -1.5f) [L28] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 271.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.3ms SsaConstructionTime, 48.1ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 07:45:07,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/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 07:45:10,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:45:10,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:45:10,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:45:10,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:45:10,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:45:10,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:45:10,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:45:10,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:45:10,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:45:10,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:45:10,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:45:10,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:45:10,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:45:10,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:45:10,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:45:10,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:45:10,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:45:10,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:45:10,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:45:10,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:45:10,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:45:10,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:45:10,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:45:10,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:45:10,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:45:10,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:45:10,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:45:10,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:45:10,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:45:10,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:45:10,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:45:10,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:45:10,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:45:10,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:45:10,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:45:10,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:45:10,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:45:10,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:45:10,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:45:10,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:45:10,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:45:10,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:45:10,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:45:10,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:45:10,249 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:45:10,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:45:10,250 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:45:10,250 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:45:10,250 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:45:10,251 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:45:10,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:45:10,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:45:10,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:45:10,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:45:10,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:45:10,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:45:10,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:45:10,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:45:10,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:45:10,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:45:10,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:45:10,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:45:10,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:45:10,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:45:10,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:45:10,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:45:10,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:45:10,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:45:10,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:45:10,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:45:10,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:45:10,260 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:45:10,260 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:45:10,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:45:10,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:45:10,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:45:10,261 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_920251e5-1010-4df1-9979-0e47de754b3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a173a69560d75c2eb39d6ac1ff4cdd28ef28d2 [2021-10-13 07:45:10,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:45:10,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:45:10,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:45:10,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:45:10,712 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:45:10,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-cdfpl/sine_7.i [2021-10-13 07:45:10,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data/2cced7213/269a9616463441efaff0b5e38c457050/FLAG71c0dd3ab [2021-10-13 07:45:11,417 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:45:11,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/sv-benchmarks/c/floats-cdfpl/sine_7.i [2021-10-13 07:45:11,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data/2cced7213/269a9616463441efaff0b5e38c457050/FLAG71c0dd3ab [2021-10-13 07:45:11,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/data/2cced7213/269a9616463441efaff0b5e38c457050 [2021-10-13 07:45:11,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:45:11,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:45:11,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:45:11,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:45:11,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:45:11,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:11,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7373bedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11, skipping insertion in model container [2021-10-13 07:45:11,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:11,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:45:11,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:45:11,924 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_920251e5-1010-4df1-9979-0e47de754b3d/sv-benchmarks/c/floats-cdfpl/sine_7.i[1143,1156] [2021-10-13 07:45:11,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:45:11,943 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:45:11,962 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_920251e5-1010-4df1-9979-0e47de754b3d/sv-benchmarks/c/floats-cdfpl/sine_7.i[1143,1156] [2021-10-13 07:45:11,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:45:11,980 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:45:11,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11 WrapperNode [2021-10-13 07:45:11,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:45:11,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:45:11,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:45:11,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:45:11,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:45:12,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:45:12,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:45:12,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:45:12,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:45:12,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:45:12,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:45:12,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:45:12,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (1/1) ... [2021-10-13 07:45:12,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:45:12,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:45:12,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:45:12,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:45:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:45:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:45:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:45:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:45:14,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:45:14,667 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 07:45:14,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:45:14 BoogieIcfgContainer [2021-10-13 07:45:14,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:45:14,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:45:14,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:45:14,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:45:14,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:45:11" (1/3) ... [2021-10-13 07:45:14,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1c06b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:45:14, skipping insertion in model container [2021-10-13 07:45:14,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:45:11" (2/3) ... [2021-10-13 07:45:14,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1c06b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:45:14, skipping insertion in model container [2021-10-13 07:45:14,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:45:14" (3/3) ... [2021-10-13 07:45:14,677 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_7.i [2021-10-13 07:45:14,683 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:45:14,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:45:14,735 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:45:14,742 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 07:45:14,742 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:45:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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 07:45:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 07:45:14,761 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:45:14,762 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 07:45:14,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:45:14,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:45:14,768 INFO L82 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-10-13 07:45:14,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:45:14,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319376875] [2021-10-13 07:45:14,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:45:14,781 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:45:14,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:45:14,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:45:14,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:45:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:45:15,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:45:15,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:45:15,527 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 07:45:15,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:45:15,564 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 07:45:15,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:45:15,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319376875] [2021-10-13 07:45:15,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319376875] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:45:15,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:45:15,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:45:15,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536738508] [2021-10-13 07:45:15,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:45:15,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:45:15,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:45:15,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:45:15,589 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 07:45:15,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:45:15,603 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-10-13 07:45:15,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:45:15,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-10-13 07:45:15,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:45:15,613 INFO L225 Difference]: With dead ends: 19 [2021-10-13 07:45:15,613 INFO L226 Difference]: Without dead ends: 7 [2021-10-13 07:45:15,616 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 07:45:15,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-13 07:45:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-13 07:45:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 07:45:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-10-13 07:45:15,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-10-13 07:45:15,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:45:15,649 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-10-13 07:45:15,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 07:45:15,650 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-10-13 07:45:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 07:45:15,651 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:45:15,651 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 07:45:15,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:45:15,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:45:15,865 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:45:15,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:45:15,866 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-10-13 07:45:15,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:45:15,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264282474] [2021-10-13 07:45:15,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:45:15,867 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:45:15,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:45:15,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:45:15,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:48:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:48:09,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:48:09,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:48:26,000 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (= c_ULTIMATE.start_main_~result~0 (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (fp.lt ULTIMATE.start_main_~IN~0 .cse2)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-10-13 07:49:21,506 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (fp.lt ULTIMATE.start_main_~IN~0 .cse0) (let ((.cse1 (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0)))))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)))) (or (not (fp.leq .cse1 .cse2)) (not (fp.geq .cse1 (fp.neg .cse2))))) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse0))))) is different from false [2021-10-13 07:49:23,630 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (fp.lt ULTIMATE.start_main_~IN~0 .cse0) (let ((.cse1 (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~IN~0 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0)))))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)))) (or (not (fp.leq .cse1 .cse2)) (not (fp.geq .cse1 (fp.neg .cse2))))) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse0))))) is different from true [2021-10-13 07:49:23,631 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 07:49:23,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:49:29,195 WARN L207 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 23 [2021-10-13 07:49:34,495 WARN L207 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 24 [2021-10-13 07:49:36,795 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from false [2021-10-13 07:49:39,097 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1)))) is different from true [2021-10-13 07:49:44,539 WARN L207 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 3 [2021-10-13 07:49:49,934 WARN L207 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 23 [2021-10-13 07:49:55,316 WARN L207 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 24 [2021-10-13 07:49:57,632 WARN L838 $PredicateComparison]: unable to prove that (or (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)) (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1))))) is different from false [2021-10-13 07:49:59,952 WARN L860 $PredicateComparison]: unable to prove that (or (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)) (let ((.cse0 (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.leq .cse0 .cse1) (fp.geq .cse0 (fp.neg .cse1))))) is different from true [2021-10-13 07:50:10,032 WARN L207 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 6 [2021-10-13 07:50:15,472 WARN L207 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 7 [2021-10-13 07:50:20,833 WARN L207 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 6 [2021-10-13 07:50:30,926 WARN L207 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 7 [2021-10-13 07:50:36,320 WARN L207 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 6 [2021-10-13 07:50:41,855 WARN L207 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 24 [2021-10-13 07:50:47,419 WARN L207 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 23 [2021-10-13 07:50:52,895 WARN L207 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 7 [2021-10-13 07:50:55,108 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse0)) (let ((.cse1 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse1 (fp.neg .cse2)) (fp.leq .cse1 .cse2))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse0)))))) is different from false [2021-10-13 07:50:57,453 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse0)) (let ((.cse1 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse1 (fp.neg .cse2)) (fp.leq .cse1 .cse2))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse0)))))) is different from true [2021-10-13 07:50:57,454 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 07:50:57,454 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:50:57,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264282474] [2021-10-13 07:50:57,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264282474] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:50:57,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:50:57,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2021-10-13 07:50:57,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688545423] [2021-10-13 07:50:57,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 07:50:57,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:50:57,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 07:50:57,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=20, Unknown=9, NotChecked=60, Total=110 [2021-10-13 07:50:57,459 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 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 07:50:59,648 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse0)) (let ((.cse1 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse1 (fp.neg .cse2)) (fp.leq .cse1 .cse2))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-10-13 07:51:01,977 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~IN~0_5 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~IN~0_5 .cse0)) (let ((.cse1 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~IN~0_5 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~IN~0_5) v_ULTIMATE.start_main_~IN~0_5) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq .cse1 (fp.neg .cse2)) (fp.leq .cse1 .cse2))) (not (fp.gt v_ULTIMATE.start_main_~IN~0_5 (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-10-13 07:51:04,180 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)))) (and (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (let ((.cse0 (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse3))) (.cse1 (fp.lt c_ULTIMATE.start_main_~IN~0 .cse3))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv1 32)) .cse0 .cse1) (and .cse2 (or (not .cse0) (not .cse1)))))) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse2 (let ((.cse4 (let ((.cse6 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse7 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.leq .cse4 .cse5) (fp.geq .cse4 (fp.neg .cse5))))))) is different from false [2021-10-13 07:51:06,514 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)))) (and (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (let ((.cse0 (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse3))) (.cse1 (fp.lt c_ULTIMATE.start_main_~IN~0 .cse3))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv1 32)) .cse0 .cse1) (and .cse2 (or (not .cse0) (not .cse1)))))) (= c_currentRoundingMode roundNearestTiesToEven) (or .cse2 (let ((.cse4 (let ((.cse6 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse7 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse6 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse7 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.leq .cse4 .cse5) (fp.geq .cse4 (fp.neg .cse5))))))) is different from true [2021-10-13 07:51:08,718 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0))) (.cse0 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.leq .cse0 .cse1) (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (fp.lt c_ULTIMATE.start_main_~IN~0 .cse2) (fp.geq .cse0 (fp.neg .cse1)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-10-13 07:51:11,041 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0))) (.cse0 (let ((.cse3 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse3 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 c_ULTIMATE.start_main_~IN~0) c_ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.leq .cse0 .cse1) (fp.gt c_ULTIMATE.start_main_~IN~0 (fp.neg .cse2)) (fp.lt c_ULTIMATE.start_main_~IN~0 .cse2) (fp.geq .cse0 (fp.neg .cse1)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-10-13 07:51:13,250 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)))) (and (fp.geq c_ULTIMATE.start_main_~result~0 (fp.neg .cse0)) (exists ((ULTIMATE.start_main_~IN~0 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (= c_ULTIMATE.start_main_~result~0 (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~IN~0 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~IN~0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ULTIMATE.start_main_~IN~0) ULTIMATE.start_main_~IN~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (fp.gt ULTIMATE.start_main_~IN~0 (fp.neg .cse3)) (fp.lt ULTIMATE.start_main_~IN~0 .cse3)))) (fp.leq c_ULTIMATE.start_main_~result~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-10-13 07:51:13,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:13,266 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2021-10-13 07:51:13,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:51:13,266 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 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 6 [2021-10-13 07:51:13,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:13,267 INFO L225 Difference]: With dead ends: 7 [2021-10-13 07:51:13,267 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:51:13,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36482.8ms TimeCoverageRelationStatistics Valid=29, Invalid=21, Unknown=16, NotChecked=144, Total=210 [2021-10-13 07:51:13,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:51:13,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:51:13,269 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 07:51:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:51:13,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-13 07:51:13,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:13,269 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:51:13,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 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 07:51:13,270 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:51:13,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:51:13,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:51:13,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:13,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:13,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:51:13,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:51:13,516 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:51:13,517 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:51:13,517 INFO L860 garLoopResultBuilder]: At program point L30(lines 18 31) the Hoare annotation is: true [2021-10-13 07:51:13,517 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:51:13,517 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:51:13,518 INFO L857 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-10-13 07:51:13,518 INFO L857 garLoopResultBuilder]: For program point L27(lines 27 28) no Hoare annotation was computed. [2021-10-13 07:51:13,519 INFO L857 garLoopResultBuilder]: For program point L27-2(lines 27 28) no Hoare annotation was computed. [2021-10-13 07:51:13,519 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2021-10-13 07:51:13,519 INFO L857 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-13 07:51:13,519 INFO L857 garLoopResultBuilder]: For program point L14(lines 14 16) no Hoare annotation was computed. [2021-10-13 07:51:13,524 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:51:13,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:51:13 BoogieIcfgContainer [2021-10-13 07:51:13,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:51:13,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:51:13,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:51:13,533 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:51:13,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:45:14" (3/4) ... [2021-10-13 07:51:13,537 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:51:13,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 07:51:13,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 07:51:13,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:51:13,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:51:13,594 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:51:13,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:51:13,599 INFO L168 Benchmark]: Toolchain (without parser) took 361877.20 ms. Allocated memory was 67.1 MB in the beginning and 107.0 MB in the end (delta: 39.8 MB). Free memory was 47.4 MB in the beginning and 56.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:13,601 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 67.1 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:13,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.77 ms. Allocated memory is still 67.1 MB. Free memory was 47.2 MB in the beginning and 36.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:13,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 67.1 MB. Free memory was 36.9 MB in the beginning and 35.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:13,603 INFO L168 Benchmark]: Boogie Preprocessor took 52.03 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 34.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:13,603 INFO L168 Benchmark]: RCFGBuilder took 2590.71 ms. Allocated memory is still 67.1 MB. Free memory was 34.3 MB in the beginning and 47.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:13,607 INFO L168 Benchmark]: TraceAbstraction took 358862.28 ms. Allocated memory was 67.1 MB in the beginning and 107.0 MB in the end (delta: 39.8 MB). Free memory was 47.5 MB in the beginning and 58.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:13,609 INFO L168 Benchmark]: Witness Printer took 63.60 ms. Allocated memory is still 107.0 MB. Free memory was 58.5 MB in the beginning and 56.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:13,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 67.1 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.77 ms. Allocated memory is still 67.1 MB. Free memory was 47.2 MB in the beginning and 36.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 67.1 MB. Free memory was 36.9 MB in the beginning and 35.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.03 ms. Allocated memory is still 67.1 MB. Free memory was 35.4 MB in the beginning and 34.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2590.71 ms. Allocated memory is still 67.1 MB. Free memory was 34.3 MB in the beginning and 47.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 358862.28 ms. Allocated memory was 67.1 MB in the beginning and 107.0 MB in the end (delta: 39.8 MB). Free memory was 47.5 MB in the beginning and 58.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * Witness Printer took 63.60 ms. Allocated memory is still 107.0 MB. Free memory was 58.5 MB in the beginning and 56.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 358791.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 9.0ms, AutomataDifference: 15851.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 41.8ms, InitialAbstractionConstructionTime: 9.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36482.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 17.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 35.6ms HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 25.4ms SsaConstructionTime, 173772.6ms SatisfiabilityAnalysisTime, 168499.5ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 3 QuantifiedInterpolants, 721 SizeOfPredicates, 6 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:51:13,840 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 07:51:13,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920251e5-1010-4df1-9979-0e47de754b3d/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...