./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/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 21e1a9abd162140b5f110bcc242ded04ef0b9d4e ................................................................................................................................................................................. 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/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 21e1a9abd162140b5f110bcc242ded04ef0b9d4e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 06:44:03,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:03,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:03,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:03,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:03,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:03,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:04,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:04,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:04,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:04,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:04,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:04,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:04,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:04,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:04,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:04,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:04,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:04,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:04,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:04,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:04,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:04,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:04,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:04,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:04,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:04,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:04,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:04,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:04,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:04,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:04,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:04,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:04,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:04,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:04,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:04,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:04,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:04,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:04,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:04,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:04,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:44:04,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:04,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:04,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:04,074 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:04,074 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:04,074 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:04,074 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:44:04,075 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:04,075 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:04,075 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:44:04,075 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:44:04,076 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:04,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:44:04,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:44:04,076 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:44:04,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:04,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:04,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:44:04,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:04,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:04,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:44:04,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:04,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:44:04,079 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:04,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:04,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:44:04,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:04,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:44:04,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:04,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:04,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:04,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:04,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:04,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:44:04,082 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:44:04,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:44:04,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:44:04,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:04,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:04,083 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2021-10-13 06:44:04,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:04,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:04,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:04,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:04,337 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:04,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-10-13 06:44:04,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data/e28236e68/d3d63979b36343969996fb75454bae66/FLAG27eba627b [2021-10-13 06:44:04,950 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:04,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-10-13 06:44:04,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data/e28236e68/d3d63979b36343969996fb75454bae66/FLAG27eba627b [2021-10-13 06:44:05,261 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data/e28236e68/d3d63979b36343969996fb75454bae66 [2021-10-13 06:44:05,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:05,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:05,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:05,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:05,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:05,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5911833c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05, skipping insertion in model container [2021-10-13 06:44:05,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:05,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:05,988 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: isnan 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:1694) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1087) 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:2349) 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:2349) 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:1415) 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:1359) 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:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) 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) [2021-10-13 06:44:05,999 INFO L168 Benchmark]: Toolchain (without parser) took 731.71 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 73.2 MB in the beginning and 98.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:06,001 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:44:06,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.96 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 73.0 MB in the beginning and 98.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:06,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 104.9 MB. Free memory is still 61.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 723.96 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 73.0 MB in the beginning and 98.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 12.6 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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 0.2.1-dev-4e77c04 [2021-10-13 06:44:08,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:08,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:08,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:08,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:08,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:08,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:08,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:08,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:08,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:08,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:08,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:08,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:08,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:08,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:08,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:08,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:08,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:08,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:08,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:08,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:08,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:08,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:08,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:08,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:08,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:08,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:08,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:08,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:08,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:08,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:08,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:08,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:08,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:08,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:08,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:08,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:08,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:08,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:08,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:08,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:08,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:44:08,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:08,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:08,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:08,393 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:08,394 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:08,394 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:08,394 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:08,394 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:08,394 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:08,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:08,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:08,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:08,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:08,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:44:08,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:08,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:44:08,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:08,399 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:44:08,399 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:44:08,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:08,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:44:08,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:08,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:44:08,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:08,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:44:08,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:08,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:08,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:08,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:08,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:44:08,402 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:44:08,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:44:08,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:44:08,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:08,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:08,404 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2021-10-13 06:44:08,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:08,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:08,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:08,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:08,782 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:08,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-10-13 06:44:08,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data/70e565389/1819f66c9eb746bf9b93a3db57bb99fd/FLAG805cc39d1 [2021-10-13 06:44:09,528 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:09,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-10-13 06:44:09,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data/70e565389/1819f66c9eb746bf9b93a3db57bb99fd/FLAG805cc39d1 [2021-10-13 06:44:09,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/data/70e565389/1819f66c9eb746bf9b93a3db57bb99fd [2021-10-13 06:44:09,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:09,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:09,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:09,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:09,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:09,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:09" (1/1) ... [2021-10-13 06:44:09,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd84893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:09, skipping insertion in model container [2021-10-13 06:44:09,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:09" (1/1) ... [2021-10-13 06:44:09,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:09,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:10,410 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2021-10-13 06:44:10,413 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2021-10-13 06:44:10,414 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2021-10-13 06:44:10,415 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2021-10-13 06:44:10,416 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2021-10-13 06:44:10,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2021-10-13 06:44:10,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2021-10-13 06:44:10,418 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2021-10-13 06:44:10,419 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2021-10-13 06:44:10,420 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2021-10-13 06:44:10,421 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2021-10-13 06:44:10,422 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2021-10-13 06:44:10,423 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2021-10-13 06:44:10,423 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2021-10-13 06:44:10,424 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2021-10-13 06:44:10,425 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2021-10-13 06:44:10,426 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2021-10-13 06:44:10,427 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2021-10-13 06:44:10,427 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2021-10-13 06:44:10,428 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2021-10-13 06:44:10,429 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2021-10-13 06:44:10,430 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2021-10-13 06:44:10,430 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2021-10-13 06:44:10,431 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2021-10-13 06:44:10,432 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2021-10-13 06:44:10,433 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2021-10-13 06:44:10,434 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2021-10-13 06:44:10,434 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2021-10-13 06:44:10,435 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2021-10-13 06:44:10,435 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2021-10-13 06:44:10,436 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2021-10-13 06:44:10,437 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2021-10-13 06:44:10,437 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2021-10-13 06:44:10,438 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2021-10-13 06:44:10,439 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2021-10-13 06:44:10,439 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2021-10-13 06:44:10,440 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2021-10-13 06:44:10,441 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2021-10-13 06:44:10,441 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2021-10-13 06:44:10,442 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2021-10-13 06:44:10,442 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2021-10-13 06:44:10,443 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2021-10-13 06:44:10,443 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2021-10-13 06:44:10,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:10,466 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:44:10,502 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2021-10-13 06:44:10,506 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2021-10-13 06:44:10,507 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2021-10-13 06:44:10,508 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2021-10-13 06:44:10,510 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2021-10-13 06:44:10,519 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2021-10-13 06:44:10,520 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2021-10-13 06:44:10,530 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2021-10-13 06:44:10,530 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2021-10-13 06:44:10,531 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2021-10-13 06:44:10,533 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2021-10-13 06:44:10,534 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2021-10-13 06:44:10,537 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2021-10-13 06:44:10,538 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2021-10-13 06:44:10,540 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2021-10-13 06:44:10,542 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2021-10-13 06:44:10,543 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2021-10-13 06:44:10,544 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2021-10-13 06:44:10,545 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2021-10-13 06:44:10,547 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2021-10-13 06:44:10,548 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2021-10-13 06:44:10,549 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2021-10-13 06:44:10,550 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2021-10-13 06:44:10,550 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2021-10-13 06:44:10,552 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2021-10-13 06:44:10,554 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2021-10-13 06:44:10,555 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2021-10-13 06:44:10,556 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2021-10-13 06:44:10,557 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2021-10-13 06:44:10,557 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2021-10-13 06:44:10,559 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2021-10-13 06:44:10,559 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2021-10-13 06:44:10,561 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2021-10-13 06:44:10,562 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2021-10-13 06:44:10,563 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2021-10-13 06:44:10,564 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2021-10-13 06:44:10,564 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2021-10-13 06:44:10,566 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2021-10-13 06:44:10,566 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2021-10-13 06:44:10,567 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2021-10-13 06:44:10,567 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2021-10-13 06:44:10,568 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2021-10-13 06:44:10,569 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_c4d4cc10-21c8-4b03-9021-ad1ed4872412/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2021-10-13 06:44:10,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:10,741 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:44:10,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10 WrapperNode [2021-10-13 06:44:10,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:10,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:10,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:44:10,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:44:10,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:10,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:44:10,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:44:10,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:44:10,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:44:10,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:44:10,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:44:10,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:44:10,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (1/1) ... [2021-10-13 06:44:10,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:10,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:44:10,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:44:10,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:44:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:44:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:44:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:44:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:44:15,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:44:15,371 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 06:44:15,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:15 BoogieIcfgContainer [2021-10-13 06:44:15,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:44:15,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:44:15,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:44:15,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:44:15,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:44:09" (1/3) ... [2021-10-13 06:44:15,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48df7674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:15, skipping insertion in model container [2021-10-13 06:44:15,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:10" (2/3) ... [2021-10-13 06:44:15,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48df7674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:15, skipping insertion in model container [2021-10-13 06:44:15,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:15" (3/3) ... [2021-10-13 06:44:15,382 INFO L111 eAbstractionObserver]: Analyzing ICFG float4.i [2021-10-13 06:44:15,387 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:44:15,387 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2021-10-13 06:44:15,437 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:44:15,443 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:44:15,444 INFO L340 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-10-13 06:44:15,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 94 states have (on average 1.9361702127659575) internal successors, (182), 137 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 06:44:15,472 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:15,473 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:15,473 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-10-13 06:44:15,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:15,480 INFO L82 PathProgramCache]: Analyzing trace with hash 119383820, now seen corresponding path program 1 times [2021-10-13 06:44:15,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:15,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608137437] [2021-10-13 06:44:15,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:15,499 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:15,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:15,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:15,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:44:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:15,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:44:15,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:15,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:15,705 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:15,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608137437] [2021-10-13 06:44:15,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608137437] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:15,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:15,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:44:15,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796925010] [2021-10-13 06:44:15,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:44:15,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:15,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:44:15,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:44:15,737 INFO L87 Difference]: Start difference. First operand has 138 states, 94 states have (on average 1.9361702127659575) internal successors, (182), 137 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:15,776 INFO L93 Difference]: Finished difference Result 213 states and 300 transitions. [2021-10-13 06:44:15,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:44:15,777 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-10-13 06:44:15,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:15,785 INFO L225 Difference]: With dead ends: 213 [2021-10-13 06:44:15,786 INFO L226 Difference]: Without dead ends: 58 [2021-10-13 06:44:15,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:44:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-10-13 06:44:15,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-10-13 06:44:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 57 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 57 transitions. [2021-10-13 06:44:15,830 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 57 transitions. Word has length 8 [2021-10-13 06:44:15,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:15,830 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 57 transitions. [2021-10-13 06:44:15,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2021-10-13 06:44:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 06:44:15,832 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:15,832 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:15,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:16,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:16,044 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-10-13 06:44:16,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1182789617, now seen corresponding path program 1 times [2021-10-13 06:44:16,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:16,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682466576] [2021-10-13 06:44:16,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,053 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:16,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:16,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:16,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:44:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 06:44:16,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,690 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:44:17,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682466576] [2021-10-13 06:44:17,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682466576] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 11 [2021-10-13 06:44:17,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880883479] [2021-10-13 06:44:17,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 06:44:17,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:44:17,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 06:44:17,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-13 06:44:17,695 INFO L87 Difference]: Start difference. First operand 58 states and 57 transitions. Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:28,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:28,798 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2021-10-13 06:44:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:44:28,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 06:44:28,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:28,817 INFO L225 Difference]: With dead ends: 58 [2021-10-13 06:44:28,817 INFO L226 Difference]: Without dead ends: 40 [2021-10-13 06:44:28,822 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 609.7ms TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-10-13 06:44:28,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-13 06:44:28,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-13 06:44:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 39 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2021-10-13 06:44:28,826 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 9 [2021-10-13 06:44:28,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:28,826 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2021-10-13 06:44:28,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:44:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2021-10-13 06:44:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:44:28,827 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:28,827 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:28,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:44:29,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:44:29,028 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-10-13 06:44:29,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:29,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1233350863, now seen corresponding path program 1 times [2021-10-13 06:44:29,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:44:29,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1606904202] [2021-10-13 06:44:29,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:29,030 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:44:29,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:44:29,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:44:29,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:44:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:31,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:44:31,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:44:39,949 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) ULTIMATE.start_main_~f~0)))) is different from false [2021-10-13 06:44:41,956 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) ULTIMATE.start_main_~f~0)))) is different from true [2021-10-13 06:44:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:41,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:44:54,929 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 .cse0) .cse0))) (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) c_ULTIMATE.start_main_~f~0)) is different from true [2021-10-13 06:45:57,358 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) ULTIMATE.start_main_~f~0)))) is different from false [2021-10-13 06:45:59,366 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) ULTIMATE.start_main_~f~0)))) is different from true [2021-10-13 06:46:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:46:31,497 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:46:31,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1606904202] [2021-10-13 06:46:31,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1606904202] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:46:31,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:46:31,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-13 06:46:31,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126103096] [2021-10-13 06:46:31,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 06:46:31,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:46:31,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 06:46:31,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2021-10-13 06:46:31,499 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:46:34,002 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) ULTIMATE.start_main_~f~0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-10-13 06:46:48,314 WARN L207 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2021-10-13 06:47:01,506 WARN L207 SmtUtils]: Spent 8.98 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2021-10-13 06:47:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:06,036 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2021-10-13 06:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:47:06,061 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:47:06,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:06,062 INFO L225 Difference]: With dead ends: 40 [2021-10-13 06:47:06,062 INFO L226 Difference]: Without dead ends: 34 [2021-10-13 06:47:06,062 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 41709.2ms TimeCoverageRelationStatistics Valid=31, Invalid=30, Unknown=11, NotChecked=60, Total=132 [2021-10-13 06:47:06,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-13 06:47:06,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-13 06:47:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0) internal successors, (33), 33 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2021-10-13 06:47:06,068 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 25 [2021-10-13 06:47:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:06,069 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2021-10-13 06:47:06,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2021-10-13 06:47:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 06:47:06,070 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:06,070 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:06,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:06,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:06,271 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-10-13 06:47:06,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:06,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1785896657, now seen corresponding path program 1 times [2021-10-13 06:47:06,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:06,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334929354] [2021-10-13 06:47:06,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:06,273 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:06,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:06,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:06,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:47:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:09,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:47:09,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:20,958 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2021-10-13 06:47:22,977 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2021-10-13 06:47:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:22,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:28,775 WARN L860 $PredicateComparison]: unable to prove that (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) c_ULTIMATE.start_main_~f~0) is different from true [2021-10-13 06:48:01,444 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) c_ULTIMATE.start_main_~f~0)) is different from true [2021-10-13 06:49:34,283 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0))) is different from false [2021-10-13 06:49:36,308 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0))) is different from true [2021-10-13 06:50:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:50:15,536 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:50:15,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334929354] [2021-10-13 06:50:15,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334929354] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:50:15,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:50:15,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-13 06:50:15,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721096991] [2021-10-13 06:50:15,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 06:50:15,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:50:15,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 06:50:15,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=12, Unknown=6, NotChecked=36, Total=72 [2021-10-13 06:50:15,547 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:50:17,579 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-10-13 06:50:46,897 WARN L207 SmtUtils]: Spent 20.69 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2021-10-13 06:51:18,846 WARN L207 SmtUtils]: Spent 6.99 s on a formula simplification that was a NOOP. DAG size: 13 [2021-10-13 06:51:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:51:32,040 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2021-10-13 06:51:32,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:51:32,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 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 33 [2021-10-13 06:51:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:51:32,064 INFO L225 Difference]: With dead ends: 34 [2021-10-13 06:51:32,064 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:51:32,065 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58980.1ms TimeCoverageRelationStatistics Valid=30, Invalid=19, Unknown=13, NotChecked=70, Total=132 [2021-10-13 06:51:32,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:51:32,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:51:32,065 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 06:51:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:51:32,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-10-13 06:51:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:51:32,065 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:51:32,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:51:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:51:32,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:51:32,067 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,068 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,068 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,068 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,068 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,068 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,068 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,068 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,069 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,071 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,071 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,071 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,071 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,073 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,073 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,073 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,073 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,073 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,074 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,074 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,074 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,074 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,076 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,076 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,076 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:51:32,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-13 06:51:32,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:51:32,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:51:32,293 INFO L857 garLoopResultBuilder]: For program point L2-1(lines 2 4) no Hoare annotation was computed. [2021-10-13 06:51:32,293 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2021-10-13 06:51:32,293 INFO L857 garLoopResultBuilder]: For program point L1026-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,293 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2021-10-13 06:51:32,294 INFO L857 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2021-10-13 06:51:32,294 INFO L857 garLoopResultBuilder]: For program point L977-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,296 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2021-10-13 06:51:32,296 INFO L857 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2021-10-13 06:51:32,296 INFO L857 garLoopResultBuilder]: For program point L1027(line 1027) no Hoare annotation was computed. [2021-10-13 06:51:32,296 INFO L857 garLoopResultBuilder]: For program point L3-2(line 3) no Hoare annotation was computed. [2021-10-13 06:51:32,296 INFO L857 garLoopResultBuilder]: For program point L1027-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,296 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:51:32,296 INFO L857 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2021-10-13 06:51:32,297 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2021-10-13 06:51:32,297 INFO L857 garLoopResultBuilder]: For program point L978-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,297 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2021-10-13 06:51:32,297 INFO L857 garLoopResultBuilder]: For program point L1028(line 1028) no Hoare annotation was computed. [2021-10-13 06:51:32,297 INFO L857 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2021-10-13 06:51:32,297 INFO L857 garLoopResultBuilder]: For program point L1028-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,297 INFO L857 garLoopResultBuilder]: For program point L995-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,298 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2021-10-13 06:51:32,298 INFO L857 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2021-10-13 06:51:32,298 INFO L857 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2021-10-13 06:51:32,298 INFO L857 garLoopResultBuilder]: For program point L1012-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,298 INFO L857 garLoopResultBuilder]: For program point L979-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,298 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 1026) no Hoare annotation was computed. [2021-10-13 06:51:32,299 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2021-10-13 06:51:32,299 INFO L857 garLoopResultBuilder]: For program point L1029(line 1029) no Hoare annotation was computed. [2021-10-13 06:51:32,299 INFO L857 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2021-10-13 06:51:32,299 INFO L857 garLoopResultBuilder]: For program point L1029-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,299 INFO L857 garLoopResultBuilder]: For program point L996-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,299 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2021-10-13 06:51:32,299 INFO L857 garLoopResultBuilder]: For program point L1013(line 1013) no Hoare annotation was computed. [2021-10-13 06:51:32,300 INFO L857 garLoopResultBuilder]: For program point L980(line 980) no Hoare annotation was computed. [2021-10-13 06:51:32,300 INFO L857 garLoopResultBuilder]: For program point L1013-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,300 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,300 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2021-10-13 06:51:32,300 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-13 06:51:32,301 INFO L857 garLoopResultBuilder]: For program point L1030(line 1030) no Hoare annotation was computed. [2021-10-13 06:51:32,301 INFO L857 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2021-10-13 06:51:32,301 INFO L857 garLoopResultBuilder]: For program point L997-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,301 INFO L857 garLoopResultBuilder]: For program point L1014(line 1014) no Hoare annotation was computed. [2021-10-13 06:51:32,301 INFO L857 garLoopResultBuilder]: For program point L1014-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,301 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2021-10-13 06:51:32,302 INFO L857 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2021-10-13 06:51:32,302 INFO L857 garLoopResultBuilder]: For program point L998-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,302 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-10-13 06:51:32,302 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-13 06:51:32,302 INFO L857 garLoopResultBuilder]: For program point L1015(line 1015) no Hoare annotation was computed. [2021-10-13 06:51:32,302 INFO L857 garLoopResultBuilder]: For program point L1015-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,303 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2021-10-13 06:51:32,303 INFO L857 garLoopResultBuilder]: For program point L999(line 999) no Hoare annotation was computed. [2021-10-13 06:51:32,303 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1023) no Hoare annotation was computed. [2021-10-13 06:51:32,303 INFO L857 garLoopResultBuilder]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,303 INFO L857 garLoopResultBuilder]: For program point L999-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,303 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:51:32,304 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2021-10-13 06:51:32,304 INFO L857 garLoopResultBuilder]: For program point L1016(line 1016) no Hoare annotation was computed. [2021-10-13 06:51:32,304 INFO L857 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2021-10-13 06:51:32,304 INFO L857 garLoopResultBuilder]: For program point L1016-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,304 INFO L857 garLoopResultBuilder]: For program point L983-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,304 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2021-10-13 06:51:32,305 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1022) no Hoare annotation was computed. [2021-10-13 06:51:32,305 INFO L857 garLoopResultBuilder]: For program point L1000(line 1000) no Hoare annotation was computed. [2021-10-13 06:51:32,305 INFO L857 garLoopResultBuilder]: For program point L1000-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,305 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2021-10-13 06:51:32,305 INFO L857 garLoopResultBuilder]: For program point L1017(line 1017) no Hoare annotation was computed. [2021-10-13 06:51:32,305 INFO L857 garLoopResultBuilder]: For program point L984(line 984) no Hoare annotation was computed. [2021-10-13 06:51:32,306 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-10-13 06:51:32,306 INFO L857 garLoopResultBuilder]: For program point L1017-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,306 INFO L857 garLoopResultBuilder]: For program point L984-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,306 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2021-10-13 06:51:32,306 INFO L857 garLoopResultBuilder]: For program point L1001(line 1001) no Hoare annotation was computed. [2021-10-13 06:51:32,306 INFO L857 garLoopResultBuilder]: For program point L1001-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2021-10-13 06:51:32,307 INFO L857 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2021-10-13 06:51:32,307 INFO L857 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2021-10-13 06:51:32,307 INFO L857 garLoopResultBuilder]: For program point L1018-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,307 INFO L857 garLoopResultBuilder]: For program point L985-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,307 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1024) no Hoare annotation was computed. [2021-10-13 06:51:32,308 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-10-13 06:51:32,308 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 980) no Hoare annotation was computed. [2021-10-13 06:51:32,308 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 06:51:32,308 INFO L857 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2021-10-13 06:51:32,308 INFO L857 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-10-13 06:51:32,308 INFO L857 garLoopResultBuilder]: For program point L1019-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,309 INFO L857 garLoopResultBuilder]: For program point L986-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,309 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-10-13 06:51:32,309 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1017) no Hoare annotation was computed. [2021-10-13 06:51:32,309 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2021-10-13 06:51:32,309 INFO L857 garLoopResultBuilder]: For program point L987(line 987) no Hoare annotation was computed. [2021-10-13 06:51:32,310 INFO L857 garLoopResultBuilder]: For program point L987-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,310 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2021-10-13 06:51:32,310 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-10-13 06:51:32,310 INFO L857 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2021-10-13 06:51:32,310 INFO L857 garLoopResultBuilder]: For program point L1004-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,310 INFO L857 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2021-10-13 06:51:32,311 INFO L857 garLoopResultBuilder]: For program point L1005-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,311 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2021-10-13 06:51:32,311 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2021-10-13 06:51:32,311 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2021-10-13 06:51:32,311 INFO L857 garLoopResultBuilder]: For program point L1022(line 1022) no Hoare annotation was computed. [2021-10-13 06:51:32,311 INFO L857 garLoopResultBuilder]: For program point L1022-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,312 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2021-10-13 06:51:32,312 INFO L857 garLoopResultBuilder]: For program point L1006(line 1006) no Hoare annotation was computed. [2021-10-13 06:51:32,312 INFO L857 garLoopResultBuilder]: For program point L1006-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,312 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1018) no Hoare annotation was computed. [2021-10-13 06:51:32,312 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 06:51:32,312 INFO L857 garLoopResultBuilder]: For program point L1023(line 1023) no Hoare annotation was computed. [2021-10-13 06:51:32,313 INFO L857 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2021-10-13 06:51:32,313 INFO L857 garLoopResultBuilder]: For program point L1023-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,313 INFO L857 garLoopResultBuilder]: For program point L990-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,313 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2021-10-13 06:51:32,313 INFO L857 garLoopResultBuilder]: For program point L1007(line 1007) no Hoare annotation was computed. [2021-10-13 06:51:32,313 INFO L857 garLoopResultBuilder]: For program point L1007-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,314 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2021-10-13 06:51:32,314 INFO L857 garLoopResultBuilder]: For program point L1024(line 1024) no Hoare annotation was computed. [2021-10-13 06:51:32,314 INFO L857 garLoopResultBuilder]: For program point L991(line 991) no Hoare annotation was computed. [2021-10-13 06:51:32,314 INFO L857 garLoopResultBuilder]: For program point L1024-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,314 INFO L857 garLoopResultBuilder]: For program point L991-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,314 INFO L857 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-10-13 06:51:32,315 INFO L857 garLoopResultBuilder]: For program point L1008-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,315 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 1030) no Hoare annotation was computed. [2021-10-13 06:51:32,315 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-10-13 06:51:32,315 INFO L857 garLoopResultBuilder]: For program point L1025(line 1025) no Hoare annotation was computed. [2021-10-13 06:51:32,315 INFO L857 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2021-10-13 06:51:32,315 INFO L857 garLoopResultBuilder]: For program point L1025-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,316 INFO L857 garLoopResultBuilder]: For program point L992-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,316 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2021-10-13 06:51:32,316 INFO L857 garLoopResultBuilder]: For program point L1009(line 1009) no Hoare annotation was computed. [2021-10-13 06:51:32,316 INFO L857 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2021-10-13 06:51:32,316 INFO L857 garLoopResultBuilder]: For program point L976-1(line 976) no Hoare annotation was computed. [2021-10-13 06:51:32,316 INFO L857 garLoopResultBuilder]: For program point L1009-2(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,317 INFO L857 garLoopResultBuilder]: For program point L976-3(lines 967 1031) no Hoare annotation was computed. [2021-10-13 06:51:32,317 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1025) no Hoare annotation was computed. [2021-10-13 06:51:32,317 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-10-13 06:51:32,317 INFO L857 garLoopResultBuilder]: For program point L2(lines 2 4) no Hoare annotation was computed. [2021-10-13 06:51:32,317 INFO L857 garLoopResultBuilder]: For program point L1026(line 1026) no Hoare annotation was computed. [2021-10-13 06:51:32,321 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:51:32,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:51:32 BoogieIcfgContainer [2021-10-13 06:51:32,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:51:32,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:51:32,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:51:32,326 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:51:32,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:15" (3/4) ... [2021-10-13 06:51:32,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:51:32,349 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 06:51:32,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 06:51:32,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:51:32,351 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:51:32,408 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:51:32,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:51:32,412 INFO L168 Benchmark]: Toolchain (without parser) took 442666.53 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 37.7 MB in the beginning and 52.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-13 06:51:32,413 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:51:32,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 993.52 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.6 MB in the beginning and 53.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:51:32,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.77 ms. Allocated memory is still 77.6 MB. Free memory was 53.1 MB in the beginning and 50.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:51:32,414 INFO L168 Benchmark]: Boogie Preprocessor took 68.93 ms. Allocated memory is still 77.6 MB. Free memory was 50.2 MB in the beginning and 48.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:51:32,415 INFO L168 Benchmark]: RCFGBuilder took 4472.11 ms. Allocated memory is still 77.6 MB. Free memory was 48.5 MB in the beginning and 54.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:51:32,416 INFO L168 Benchmark]: TraceAbstraction took 436949.90 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 53.5 MB in the beginning and 57.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:51:32,416 INFO L168 Benchmark]: Witness Printer took 85.94 ms. Allocated memory is still 94.4 MB. Free memory was 57.1 MB in the beginning and 52.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:51:32,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 993.52 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.6 MB in the beginning and 53.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.77 ms. Allocated memory is still 77.6 MB. Free memory was 53.1 MB in the beginning and 50.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.93 ms. Allocated memory is still 77.6 MB. Free memory was 50.2 MB in the beginning and 48.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4472.11 ms. Allocated memory is still 77.6 MB. Free memory was 48.5 MB in the beginning and 54.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 436949.90 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 53.5 MB in the beginning and 57.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Witness Printer took 85.94 ms. Allocated memory is still 94.4 MB. Free memory was 57.1 MB in the beginning and 52.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 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: 976]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 977]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 979]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 980]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 983]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 984]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 985]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 987]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 990]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 991]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 992]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 995]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 997]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 998]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 999]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1000]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1001]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1006]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1007]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1009]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1013]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1014]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1015]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1016]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1017]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1018]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1022]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1023]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1024]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1025]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1026]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1027]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1028]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1029]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1030]: 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, 138 locations, 43 error locations. Started 1 CEGAR loops. OverallTime: 436886.0ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 15.7ms, AutomataDifference: 122286.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 86 SDtfs, 247 SDslu, 19 SDs, 0 SdLazy, 100 SolverSat, 27 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 49025.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 101299.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 35.7ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0ms HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 26.2ms SsaConstructionTime, 6112.2ms SatisfiabilityAnalysisTime, 307282.0ms InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 142 ConstructedInterpolants, 17 QuantifiedInterpolants, 1658 SizeOfPredicates, 13 NumberOfNonLiveVariables, 155 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-13 06:51:32,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d4cc10-21c8-4b03-9021-ad1ed4872412/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...