./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI --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 d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 .................................................................................................................................................................................. 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_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI --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 d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 .............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:00,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:00,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:00,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:00,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:00,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:00,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:00,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:00,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:00,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:00,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:00,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:00,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:00,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:00,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:00,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:00,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:00,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:00,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:00,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:00,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:00,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:00,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:00,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:00,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:00,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:00,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:00,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:00,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:00,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:00,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:00,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:00,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:00,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:00,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:00,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:00,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:00,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:00,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:00,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:00,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:00,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:00,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:00,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:00,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:00,315 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:00,315 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:00,315 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:00,315 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:00,316 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:00,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:00,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:00,323 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:00,323 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:00,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:00,324 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:00,324 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:00,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:00,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:00,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:00,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:00,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:00,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:00,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:00,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:00,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:00,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:00,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:00,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:00,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:00,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:00,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:00,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:00,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:00,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:00,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:00,331 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:00,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:00,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:00,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:00,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:00,332 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_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2021-10-11 02:28:00,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:00,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:00,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:00,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:00,624 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:00,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-11 02:28:00,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data/3b79a8e96/30e69e2be52c4d638a747125d658d6ae/FLAG8b0d673cd [2021-10-11 02:28:01,352 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:01,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-11 02:28:01,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data/3b79a8e96/30e69e2be52c4d638a747125d658d6ae/FLAG8b0d673cd [2021-10-11 02:28:01,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data/3b79a8e96/30e69e2be52c4d638a747125d658d6ae [2021-10-11 02:28:01,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:01,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:01,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:01,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:01,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:01,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:01" (1/1) ... [2021-10-11 02:28:01,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fdd921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:01, skipping insertion in model container [2021-10-11 02:28:01,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:01" (1/1) ... [2021-10-11 02:28:01,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:01,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:02,138 WARN L226 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_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-11 02:28:02,147 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1409) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1353) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1046) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1424) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-11 02:28:02,158 INFO L168 Benchmark]: Toolchain (without parser) took 539.12 ms. Allocated memory is still 100.7 MB. Free memory was 67.3 MB in the beginning and 73.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:02,160 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:02,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.65 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 73.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:02,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 536.65 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 73.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:04,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:04,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:04,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:04,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:04,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:04,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:04,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:04,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:04,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:04,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:04,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:04,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:04,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:04,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:04,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:04,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:04,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:04,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:04,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:04,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:04,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:04,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:04,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:04,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:04,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:04,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:04,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:04,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:04,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:04,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:04,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:04,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:04,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:04,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:04,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:04,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:04,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:04,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:04,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:04,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:04,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:04,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:04,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:04,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:04,546 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:04,563 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:04,563 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:04,563 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:04,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:04,564 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:04,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:04,566 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:04,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:04,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:04,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:04,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:04,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:04,567 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:04,568 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:04,568 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:04,568 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:04,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:04,568 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:04,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:04,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:04,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:04,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:04,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:04,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:04,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:04,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:04,570 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:04,570 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:04,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:04,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:04,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:04,571 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_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2021-10-11 02:28:04,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:04,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:04,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:04,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:04,975 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:04,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-11 02:28:05,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data/33f268d1c/0f29ecbbb5f344589d2df9bd3ca37d08/FLAG32078fed4 [2021-10-11 02:28:05,768 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:05,768 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-11 02:28:05,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data/33f268d1c/0f29ecbbb5f344589d2df9bd3ca37d08/FLAG32078fed4 [2021-10-11 02:28:05,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/data/33f268d1c/0f29ecbbb5f344589d2df9bd3ca37d08 [2021-10-11 02:28:06,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:06,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:06,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:06,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:06,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:06,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:05" (1/1) ... [2021-10-11 02:28:06,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65abf14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:06, skipping insertion in model container [2021-10-11 02:28:06,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:05" (1/1) ... [2021-10-11 02:28:06,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:06,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:06,618 WARN L226 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_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-11 02:28:06,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:06,652 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:06,696 WARN L226 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_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-11 02:28:06,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:07,058 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:07,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07 WrapperNode [2021-10-11 02:28:07,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:07,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:07,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:07,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:07,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:07,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:07,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:07,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:07,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... [2021-10-11 02:28:07,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:07,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:07,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:07,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:07,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:09,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:09,495 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-11 02:28:09,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:09 BoogieIcfgContainer [2021-10-11 02:28:09,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:09,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:09,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:09,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:09,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:05" (1/3) ... [2021-10-11 02:28:09,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f3fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:09, skipping insertion in model container [2021-10-11 02:28:09,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:07" (2/3) ... [2021-10-11 02:28:09,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f3fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:09, skipping insertion in model container [2021-10-11 02:28:09,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:09" (3/3) ... [2021-10-11 02:28:09,512 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2021-10-11 02:28:09,522 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:09,524 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:28:09,534 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:28:09,565 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:09,566 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:09,566 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:09,566 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:09,566 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:09,566 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:09,566 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:09,566 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2021-10-11 02:28:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:28:09,580 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:09,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:09,581 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:09,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1236262255, now seen corresponding path program 1 times [2021-10-11 02:28:09,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:09,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893444480] [2021-10-11 02:28:09,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:09,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:09,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:09,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:09,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893444480] [2021-10-11 02:28:09,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:09,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:09,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37004922] [2021-10-11 02:28:09,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:09,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:09,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:09,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:09,794 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2021-10-11 02:28:09,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:09,808 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-10-11 02:28:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:09,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 02:28:09,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:09,817 INFO L225 Difference]: With dead ends: 27 [2021-10-11 02:28:09,817 INFO L226 Difference]: Without dead ends: 11 [2021-10-11 02:28:09,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:09,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-11 02:28:09,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-11 02:28:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-11 02:28:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2021-10-11 02:28:09,847 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 10 [2021-10-11 02:28:09,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:09,848 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2021-10-11 02:28:09,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2021-10-11 02:28:09,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:28:09,849 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:09,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:10,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:10,064 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:10,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:10,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1988290997, now seen corresponding path program 1 times [2021-10-11 02:28:10,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:10,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518595284] [2021-10-11 02:28:10,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:12,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-11 02:28:12,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:12,617 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-10-11 02:28:12,769 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:28:22,971 WARN L838 $PredicateComparison]: unable to prove that (or (and (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64)))))) (and (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))))) (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) is different from false [2021-10-11 02:28:29,101 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))))) is different from false [2021-10-11 02:28:31,125 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))))) is different from true [2021-10-11 02:28:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:28:31,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:31,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1518595284] [2021-10-11 02:28:31,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:31,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-11 02:28:31,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426098827] [2021-10-11 02:28:31,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-10-11 02:28:31,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:31,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-11 02:28:31,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=46, Unknown=3, NotChecked=30, Total=110 [2021-10-11 02:28:31,130 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand 11 states. [2021-10-11 02:28:31,414 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 12 [2021-10-11 02:28:31,664 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 14 [2021-10-11 02:28:33,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:33,779 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-10-11 02:28:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:28:33,821 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2021-10-11 02:28:33,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:33,821 INFO L225 Difference]: With dead ends: 11 [2021-10-11 02:28:33,821 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:33,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=55, Invalid=82, Unknown=3, NotChecked=42, Total=182 [2021-10-11 02:28:33,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:33,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:33,824 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-10-11 02:28:33,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:33,824 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:33,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-10-11 02:28:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:33,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:34,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:34,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:34,070 INFO L262 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-10-11 02:28:34,071 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:34,071 INFO L262 CegarLoopResult]: For program point L993-1(lines 993 995) no Hoare annotation was computed. [2021-10-11 02:28:34,071 INFO L262 CegarLoopResult]: For program point L993-2(lines 993 995) no Hoare annotation was computed. [2021-10-11 02:28:34,071 INFO L262 CegarLoopResult]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-10-11 02:28:34,071 INFO L262 CegarLoopResult]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2021-10-11 02:28:34,072 INFO L265 CegarLoopResult]: At program point L1008-3(line 1008) the Hoare annotation is: true [2021-10-11 02:28:34,072 INFO L262 CegarLoopResult]: For program point L994(line 994) no Hoare annotation was computed. [2021-10-11 02:28:34,072 INFO L262 CegarLoopResult]: For program point L994-2(line 994) no Hoare annotation was computed. [2021-10-11 02:28:34,072 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:34,072 INFO L265 CegarLoopResult]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2021-10-11 02:28:34,072 INFO L262 CegarLoopResult]: For program point L994-4(line 994) no Hoare annotation was computed. [2021-10-11 02:28:34,073 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:34,073 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:34,073 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-10-11 02:28:34,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:34 BoogieIcfgContainer [2021-10-11 02:28:34,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:34,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:34,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:34,081 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:34,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:09" (3/4) ... [2021-10-11 02:28:34,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:34,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-11 02:28:34,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 02:28:34,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:34,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:34,131 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6328bd-62e4-4a25-9dcc-36ed4a4e8ce8/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:34,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:34,132 INFO L168 Benchmark]: Toolchain (without parser) took 28129.81 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 50.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:34,133 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 72.2 MB in the beginning and 72.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:34,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.84 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 53.7 MB in the beginning and 97.5 MB in the end (delta: -43.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:34,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.56 ms. Allocated memory is still 117.4 MB. Free memory was 97.5 MB in the beginning and 95.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:34,135 INFO L168 Benchmark]: Boogie Preprocessor took 26.15 ms. Allocated memory is still 117.4 MB. Free memory was 94.6 MB in the beginning and 93.8 MB in the end (delta: 823.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:34,136 INFO L168 Benchmark]: RCFGBuilder took 2343.19 ms. Allocated memory is still 117.4 MB. Free memory was 93.8 MB in the beginning and 79.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:34,136 INFO L168 Benchmark]: TraceAbstraction took 24582.45 ms. Allocated memory is still 117.4 MB. Free memory was 78.8 MB in the beginning and 52.8 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:34,137 INFO L168 Benchmark]: Witness Printer took 50.30 ms. Allocated memory is still 117.4 MB. Free memory was 52.8 MB in the beginning and 50.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:34,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 72.2 MB in the beginning and 72.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1052.84 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 53.7 MB in the beginning and 97.5 MB in the end (delta: -43.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.56 ms. Allocated memory is still 117.4 MB. Free memory was 97.5 MB in the beginning and 95.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.15 ms. Allocated memory is still 117.4 MB. Free memory was 94.6 MB in the beginning and 93.8 MB in the end (delta: 823.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2343.19 ms. Allocated memory is still 117.4 MB. Free memory was 93.8 MB in the beginning and 79.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24582.45 ms. Allocated memory is still 117.4 MB. Free memory was 78.8 MB in the beginning and 52.8 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * Witness Printer took 50.30 ms. Allocated memory is still 117.4 MB. Free memory was 52.8 MB in the beginning and 50.7 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: - PositiveResult [Line: 1008]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1012]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 5 SDslu, 1 SDs, 0 SdLazy, 23 SolverSat, 6 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 2 QuantifiedInterpolants, 1800 SizeOfPredicates, 11 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...