./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0 --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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 16:24:01,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:24:01,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:24:01,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:24:01,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:24:01,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:24:01,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:24:01,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:24:01,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:24:01,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:24:01,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:24:01,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:24:01,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:24:01,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:24:01,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:24:01,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:24:01,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:24:01,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:24:01,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:24:01,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:24:01,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:24:01,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:24:01,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:24:01,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:24:01,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:24:01,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:24:01,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:24:01,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:24:01,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:24:01,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:24:01,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:24:01,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:24:01,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:24:01,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:24:01,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:24:01,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:24:01,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:24:01,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:24:01,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:24:01,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:24:01,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:24:01,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 16:24:01,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:24:01,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:24:01,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:24:01,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:24:01,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:24:01,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:24:01,342 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:24:01,342 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:24:01,342 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:24:01,343 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:24:01,343 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:24:01,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:24:01,344 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:24:01,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:24:01,344 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:24:01,345 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:24:01,345 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:24:01,345 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:24:01,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:24:01,347 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:24:01,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:24:01,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:24:01,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:24:01,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:24:01,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:24:01,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:24:01,349 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:24:01,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:24:01,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:24:01,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:24:01,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:24:01,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:24:01,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:24:01,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:24:01,351 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:24:01,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:24:01,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:24:01,352 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:24:01,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:24:01,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:24:01,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:24:01,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2022-11-16 16:24:01,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:24:01,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:24:01,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:24:01,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:24:01,798 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:24:01,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2022-11-16 16:24:01,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data/b4a4b863e/6a93b60838734f879054b1dcc7b1c523/FLAGc540bf185 [2022-11-16 16:24:02,695 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:24:02,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i [2022-11-16 16:24:02,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data/b4a4b863e/6a93b60838734f879054b1dcc7b1c523/FLAGc540bf185 [2022-11-16 16:24:02,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data/b4a4b863e/6a93b60838734f879054b1dcc7b1c523 [2022-11-16 16:24:02,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:24:02,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:24:02,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:24:02,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:24:02,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:24:02,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:24:02" (1/1) ... [2022-11-16 16:24:02,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620d2101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:02, skipping insertion in model container [2022-11-16 16:24:02,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:24:02" (1/1) ... [2022-11-16 16:24:02,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:24:02,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:24:03,719 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:805) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1827) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1451) 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:1124) 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:2419) 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:2419) 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:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) 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:1458) 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:1401) 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:1085) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1474) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2365) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-11-16 16:24:03,727 INFO L158 Benchmark]: Toolchain (without parser) took 806.87ms. Allocated memory is still 144.7MB. Free memory was 105.5MB in the beginning and 116.5MB in the end (delta: -11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 16:24:03,729 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 144.7MB. Free memory was 117.1MB in the beginning and 117.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:24:03,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.55ms. Allocated memory is still 144.7MB. Free memory was 105.2MB in the beginning and 116.5MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 16:24:03,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 144.7MB. Free memory was 117.1MB in the beginning and 117.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.55ms. Allocated memory is still 144.7MB. Free memory was 105.2MB in the beginning and 116.5MB in the end (delta: -11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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:805) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0 --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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 16:24:06,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:24:06,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:24:06,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:24:06,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:24:06,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:24:06,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:24:06,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:24:06,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:24:06,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:24:06,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:24:06,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:24:06,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:24:06,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:24:06,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:24:06,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:24:06,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:24:06,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:24:06,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:24:06,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:24:06,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:24:06,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:24:06,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:24:06,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:24:06,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:24:06,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:24:06,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:24:06,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:24:06,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:24:06,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:24:06,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:24:06,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:24:06,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:24:06,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:24:06,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:24:06,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:24:06,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:24:06,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:24:06,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:24:06,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:24:06,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:24:06,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-16 16:24:06,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:24:06,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:24:06,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:24:06,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:24:06,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:24:06,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:24:06,250 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:24:06,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:24:06,251 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:24:06,251 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:24:06,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:24:06,251 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:24:06,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:24:06,253 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:24:06,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:24:06,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:24:06,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:24:06,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:24:06,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:24:06,254 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 16:24:06,254 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 16:24:06,254 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 16:24:06,255 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:24:06,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:24:06,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:24:06,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:24:06,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:24:06,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 16:24:06,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:24:06,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:24:06,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:24:06,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:24:06,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:24:06,257 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 16:24:06,257 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 16:24:06,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:24:06,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:24:06,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 16:24:06,258 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_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2022-11-16 16:24:06,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:24:06,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:24:06,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:24:06,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:24:06,680 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:24:06,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2022-11-16 16:24:06,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data/fc59f5d49/2c2e4899f4bd4417b5f0e6dd1ffe7fd0/FLAG134afaf55 [2022-11-16 16:24:07,566 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:24:07,567 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i [2022-11-16 16:24:07,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data/fc59f5d49/2c2e4899f4bd4417b5f0e6dd1ffe7fd0/FLAG134afaf55 [2022-11-16 16:24:07,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/data/fc59f5d49/2c2e4899f4bd4417b5f0e6dd1ffe7fd0 [2022-11-16 16:24:07,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:24:07,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:24:07,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:24:07,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:24:07,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:24:07,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:24:07" (1/1) ... [2022-11-16 16:24:07,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267c3bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:07, skipping insertion in model container [2022-11-16 16:24:07,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:24:07" (1/1) ... [2022-11-16 16:24:07,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:24:07,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:24:08,598 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2022-11-16 16:24:08,603 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2022-11-16 16:24:08,603 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2022-11-16 16:24:08,605 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2022-11-16 16:24:08,606 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2022-11-16 16:24:08,607 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2022-11-16 16:24:08,609 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2022-11-16 16:24:08,610 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2022-11-16 16:24:08,611 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2022-11-16 16:24:08,612 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2022-11-16 16:24:08,614 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2022-11-16 16:24:08,616 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2022-11-16 16:24:08,617 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2022-11-16 16:24:08,617 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2022-11-16 16:24:08,619 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2022-11-16 16:24:08,621 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2022-11-16 16:24:08,622 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2022-11-16 16:24:08,623 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2022-11-16 16:24:08,625 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2022-11-16 16:24:08,626 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2022-11-16 16:24:08,628 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2022-11-16 16:24:08,628 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2022-11-16 16:24:08,630 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2022-11-16 16:24:08,632 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2022-11-16 16:24:08,634 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2022-11-16 16:24:08,635 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2022-11-16 16:24:08,636 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2022-11-16 16:24:08,638 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2022-11-16 16:24:08,638 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2022-11-16 16:24:08,640 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2022-11-16 16:24:08,640 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2022-11-16 16:24:08,641 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2022-11-16 16:24:08,642 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2022-11-16 16:24:08,646 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2022-11-16 16:24:08,648 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2022-11-16 16:24:08,649 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2022-11-16 16:24:08,655 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2022-11-16 16:24:08,655 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2022-11-16 16:24:08,656 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2022-11-16 16:24:08,656 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2022-11-16 16:24:08,657 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2022-11-16 16:24:08,658 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2022-11-16 16:24:08,658 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2022-11-16 16:24:08,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:24:08,677 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:24:08,710 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2022-11-16 16:24:08,715 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2022-11-16 16:24:08,716 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2022-11-16 16:24:08,717 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2022-11-16 16:24:08,719 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2022-11-16 16:24:08,720 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2022-11-16 16:24:08,721 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2022-11-16 16:24:08,723 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2022-11-16 16:24:08,725 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2022-11-16 16:24:08,726 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2022-11-16 16:24:08,727 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2022-11-16 16:24:08,730 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2022-11-16 16:24:08,731 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2022-11-16 16:24:08,732 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2022-11-16 16:24:08,737 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2022-11-16 16:24:08,738 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2022-11-16 16:24:08,739 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2022-11-16 16:24:08,740 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2022-11-16 16:24:08,741 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2022-11-16 16:24:08,742 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2022-11-16 16:24:08,743 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2022-11-16 16:24:08,744 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2022-11-16 16:24:08,745 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2022-11-16 16:24:08,746 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2022-11-16 16:24:08,747 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2022-11-16 16:24:08,750 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2022-11-16 16:24:08,752 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2022-11-16 16:24:08,753 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2022-11-16 16:24:08,753 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2022-11-16 16:24:08,753 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2022-11-16 16:24:08,755 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2022-11-16 16:24:08,756 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2022-11-16 16:24:08,758 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2022-11-16 16:24:08,759 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2022-11-16 16:24:08,760 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2022-11-16 16:24:08,760 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2022-11-16 16:24:08,760 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2022-11-16 16:24:08,761 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2022-11-16 16:24:08,761 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2022-11-16 16:24:08,762 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2022-11-16 16:24:08,762 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2022-11-16 16:24:08,763 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2022-11-16 16:24:08,763 WARN L229 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_bde14688-ce07-4957-b321-9b3afaa4e54c/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2022-11-16 16:24:08,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:24:08,969 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:24:08,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08 WrapperNode [2022-11-16 16:24:08,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:24:08,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:24:08,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:24:08,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:24:08,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,103 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2022-11-16 16:24:09,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:24:09,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:24:09,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:24:09,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:24:09,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:24:09,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:24:09,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:24:09,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:24:09,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (1/1) ... [2022-11-16 16:24:09,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:24:09,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:24:09,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:24:09,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:24:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 16:24:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:24:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:24:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:24:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 16:24:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 16:24:09,413 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:24:09,415 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:24:14,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:24:14,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:24:14,388 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 16:24:14,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:24:14 BoogieIcfgContainer [2022-11-16 16:24:14,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:24:14,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:24:14,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:24:14,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:24:14,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:24:07" (1/3) ... [2022-11-16 16:24:14,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e0a859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:24:14, skipping insertion in model container [2022-11-16 16:24:14,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:24:08" (2/3) ... [2022-11-16 16:24:14,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e0a859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:24:14, skipping insertion in model container [2022-11-16 16:24:14,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:24:14" (3/3) ... [2022-11-16 16:24:14,403 INFO L112 eAbstractionObserver]: Analyzing ICFG float4.i [2022-11-16 16:24:14,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:24:14,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2022-11-16 16:24:14,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:24:14,504 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e674bc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:24:14,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2022-11-16 16:24:14,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 94 states have (on average 1.925531914893617) internal successors, (181), 137 states have internal predecessors, (181), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:24:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 16:24:14,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:24:14,541 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:24:14,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2022-11-16 16:24:14,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:24:14,555 INFO L85 PathProgramCache]: Analyzing trace with hash -710974657, now seen corresponding path program 1 times [2022-11-16 16:24:14,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:24:14,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038795543] [2022-11-16 16:24:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:14,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:24:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:24:14,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 16:24:14,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 16:24:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:14,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 16:24:14,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:24:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 16:24:14,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:24:14,747 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:24:14,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038795543] [2022-11-16 16:24:14,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038795543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:24:14,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:24:14,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:24:14,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465175697] [2022-11-16 16:24:14,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:24:14,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 16:24:14,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:24:14,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 16:24:14,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:24:14,822 INFO L87 Difference]: Start difference. First operand has 141 states, 94 states have (on average 1.925531914893617) internal successors, (181), 137 states have internal predecessors, (181), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:24:14,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:24:14,889 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2022-11-16 16:24:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 16:24:14,892 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-11-16 16:24:14,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:24:14,903 INFO L225 Difference]: With dead ends: 219 [2022-11-16 16:24:14,904 INFO L226 Difference]: Without dead ends: 61 [2022-11-16 16:24:14,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:24:14,932 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:24:14,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 16:24:14,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-16 16:24:15,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-16 16:24:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 57 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:24:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2022-11-16 16:24:15,030 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 15 [2022-11-16 16:24:15,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:24:15,035 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2022-11-16 16:24:15,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:24:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2022-11-16 16:24:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 16:24:15,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:24:15,042 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:24:15,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-16 16:24:15,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:24:15,258 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2022-11-16 16:24:15,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:24:15,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1467798991, now seen corresponding path program 1 times [2022-11-16 16:24:15,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:24:15,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196137783] [2022-11-16 16:24:15,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:15,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:24:15,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:24:15,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 16:24:15,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 16:24:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:16,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 16:24:16,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:24:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 16:24:16,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:24:16,844 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:24:16,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196137783] [2022-11-16 16:24:16,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196137783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:24:16,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:24:16,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 16:24:16,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813287279] [2022-11-16 16:24:16,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:24:16,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 16:24:16,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:24:16,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 16:24:16,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-16 16:24:16,848 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:24:19,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:21,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:23,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:26,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:26,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:24:26,167 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2022-11-16 16:24:26,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 16:24:26,189 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2022-11-16 16:24:26,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:24:26,190 INFO L225 Difference]: With dead ends: 61 [2022-11-16 16:24:26,190 INFO L226 Difference]: Without dead ends: 43 [2022-11-16 16:24:26,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-16 16:24:26,192 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 53 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:24:26,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 38 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 110 Invalid, 4 Unknown, 0 Unchecked, 9.2s Time] [2022-11-16 16:24:26,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-16 16:24:26,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-16 16:24:26,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 39 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:24:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2022-11-16 16:24:26,199 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 16 [2022-11-16 16:24:26,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:24:26,201 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2022-11-16 16:24:26,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:24:26,202 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-11-16 16:24:26,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 16:24:26,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:24:26,203 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2022-11-16 16:24:26,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-16 16:24:26,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:24:26,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2022-11-16 16:24:26,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:24:26,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1274908175, now seen corresponding path program 1 times [2022-11-16 16:24:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:24:26,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840070415] [2022-11-16 16:24:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:26,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:24:26,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:24:26,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 16:24:26,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 16:24:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:29,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 16:24:29,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:24:38,102 WARN L833 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) is different from false [2022-11-16 16:24:40,110 WARN L855 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) is different from true [2022-11-16 16:24:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 16:24:40,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:24:40,111 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:24:40,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840070415] [2022-11-16 16:24:40,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840070415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:24:40,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:24:40,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:24:40,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358081296] [2022-11-16 16:24:40,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:24:40,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:24:40,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:24:40,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:24:40,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2022-11-16 16:24:40,114 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:24:42,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:44,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:47,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:49,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:49,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:24:49,275 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2022-11-16 16:24:49,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:24:49,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 16:24:49,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:24:49,299 INFO L225 Difference]: With dead ends: 43 [2022-11-16 16:24:49,299 INFO L226 Difference]: Without dead ends: 41 [2022-11-16 16:24:49,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2022-11-16 16:24:49,301 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:24:49,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 25 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 4 Unknown, 38 Unchecked, 9.1s Time] [2022-11-16 16:24:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-16 16:24:49,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-16 16:24:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 37 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:24:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2022-11-16 16:24:49,309 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 32 [2022-11-16 16:24:49,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:24:49,309 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2022-11-16 16:24:49,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:24:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-11-16 16:24:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 16:24:49,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:24:49,311 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2022-11-16 16:24:49,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 16:24:49,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:24:49,523 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2022-11-16 16:24:49,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:24:49,524 INFO L85 PathProgramCache]: Analyzing trace with hash 867451975, now seen corresponding path program 1 times [2022-11-16 16:24:49,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:24:49,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467255068] [2022-11-16 16:24:49,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:24:49,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:24:49,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:24:49,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 16:24:49,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 16:24:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:24:50,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 16:24:50,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:24:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 16:24:53,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:24:53,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:24:53,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467255068] [2022-11-16 16:24:53,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467255068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:24:53,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:24:53,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:24:53,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103891471] [2022-11-16 16:24:53,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:24:53,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:24:53,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:24:53,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:24:53,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:24:53,143 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:24:54,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:57,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:24:59,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:02,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:04,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:06,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:08,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:10,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:12,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:14,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:16,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:18,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:23,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:23,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:25:23,139 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2022-11-16 16:25:23,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:25:23,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 16:25:23,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:25:23,169 INFO L225 Difference]: With dead ends: 41 [2022-11-16 16:25:23,169 INFO L226 Difference]: Without dead ends: 37 [2022-11-16 16:25:23,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:25:23,171 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:25:23,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 37 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 10 Unknown, 0 Unchecked, 30.0s Time] [2022-11-16 16:25:23,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-16 16:25:23,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-16 16:25:23,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.0) internal successors, (33), 33 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 16:25:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2022-11-16 16:25:23,177 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 33 [2022-11-16 16:25:23,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:25:23,178 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2022-11-16 16:25:23,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:25:23,178 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-11-16 16:25:23,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 16:25:23,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:25:23,180 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:25:23,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 16:25:23,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:25:23,381 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2022-11-16 16:25:23,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:25:23,382 INFO L85 PathProgramCache]: Analyzing trace with hash 695659055, now seen corresponding path program 1 times [2022-11-16 16:25:23,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:25:23,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242600248] [2022-11-16 16:25:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:25:23,382 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:25:23,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:25:23,384 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 16:25:23,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-16 16:25:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:25:28,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 16:25:28,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:25:39,123 WARN L833 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |ULTIMATE.start_main_~f~0#1|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~f~0#1|) .cse0)))) is different from false [2022-11-16 16:25:41,138 WARN L855 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |ULTIMATE.start_main_~f~0#1|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |ULTIMATE.start_main_~f~0#1|) .cse0)))) is different from true [2022-11-16 16:25:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 16:25:41,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:25:41,139 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 16:25:41,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242600248] [2022-11-16 16:25:41,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242600248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:25:41,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:25:41,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:25:41,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639647242] [2022-11-16 16:25:41,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:25:41,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:25:41,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 16:25:41,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:25:41,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2022-11-16 16:25:41,142 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:25:44,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 16:25:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:25:44,137 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2022-11-16 16:25:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:25:44,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2022-11-16 16:25:44,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:25:44,166 INFO L225 Difference]: With dead ends: 37 [2022-11-16 16:25:44,167 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 16:25:44,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2022-11-16 16:25:44,168 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 35 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:25:44,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 13 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 1 Unknown, 35 Unchecked, 3.0s Time] [2022-11-16 16:25:44,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 16:25:44,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 16:25:44,170 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) [2022-11-16 16:25:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 16:25:44,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-16 16:25:44,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:25:44,170 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 16:25:44,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 16:25:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 16:25:44,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 16:25:44,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 43 remaining) [2022-11-16 16:25:44,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (41 of 43 remaining) [2022-11-16 16:25:44,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (40 of 43 remaining) [2022-11-16 16:25:44,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (39 of 43 remaining) [2022-11-16 16:25:44,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (38 of 43 remaining) [2022-11-16 16:25:44,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (37 of 43 remaining) [2022-11-16 16:25:44,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (36 of 43 remaining) [2022-11-16 16:25:44,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (35 of 43 remaining) [2022-11-16 16:25:44,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (34 of 43 remaining) [2022-11-16 16:25:44,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (33 of 43 remaining) [2022-11-16 16:25:44,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (32 of 43 remaining) [2022-11-16 16:25:44,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (31 of 43 remaining) [2022-11-16 16:25:44,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (30 of 43 remaining) [2022-11-16 16:25:44,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (29 of 43 remaining) [2022-11-16 16:25:44,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (28 of 43 remaining) [2022-11-16 16:25:44,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (27 of 43 remaining) [2022-11-16 16:25:44,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (26 of 43 remaining) [2022-11-16 16:25:44,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (25 of 43 remaining) [2022-11-16 16:25:44,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (24 of 43 remaining) [2022-11-16 16:25:44,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (23 of 43 remaining) [2022-11-16 16:25:44,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (22 of 43 remaining) [2022-11-16 16:25:44,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (21 of 43 remaining) [2022-11-16 16:25:44,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (20 of 43 remaining) [2022-11-16 16:25:44,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (19 of 43 remaining) [2022-11-16 16:25:44,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (18 of 43 remaining) [2022-11-16 16:25:44,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (17 of 43 remaining) [2022-11-16 16:25:44,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (16 of 43 remaining) [2022-11-16 16:25:44,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (15 of 43 remaining) [2022-11-16 16:25:44,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (14 of 43 remaining) [2022-11-16 16:25:44,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (13 of 43 remaining) [2022-11-16 16:25:44,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (12 of 43 remaining) [2022-11-16 16:25:44,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (11 of 43 remaining) [2022-11-16 16:25:44,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (10 of 43 remaining) [2022-11-16 16:25:44,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (9 of 43 remaining) [2022-11-16 16:25:44,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (8 of 43 remaining) [2022-11-16 16:25:44,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (7 of 43 remaining) [2022-11-16 16:25:44,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (6 of 43 remaining) [2022-11-16 16:25:44,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (5 of 43 remaining) [2022-11-16 16:25:44,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (4 of 43 remaining) [2022-11-16 16:25:44,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (3 of 43 remaining) [2022-11-16 16:25:44,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (2 of 43 remaining) [2022-11-16 16:25:44,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (1 of 43 remaining) [2022-11-16 16:25:44,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (0 of 43 remaining) [2022-11-16 16:25:44,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-16 16:25:44,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 16:25:44,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 16:25:44,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2022-11-16 16:25:44,456 INFO L899 garLoopResultBuilder]: For program point L1026-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2022-11-16 16:25:44,457 INFO L899 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2022-11-16 16:25:44,457 INFO L899 garLoopResultBuilder]: For program point L977-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,458 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2022-11-16 16:25:44,458 INFO L899 garLoopResultBuilder]: For program point L1027(line 1027) no Hoare annotation was computed. [2022-11-16 16:25:44,461 INFO L899 garLoopResultBuilder]: For program point L1027-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 16:25:44,461 INFO L899 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2022-11-16 16:25:44,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2022-11-16 16:25:44,462 INFO L899 garLoopResultBuilder]: For program point L978-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2022-11-16 16:25:44,462 INFO L899 garLoopResultBuilder]: For program point L1028(line 1028) no Hoare annotation was computed. [2022-11-16 16:25:44,463 INFO L899 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2022-11-16 16:25:44,463 INFO L899 garLoopResultBuilder]: For program point L1028-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,463 INFO L899 garLoopResultBuilder]: For program point L995-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2022-11-16 16:25:44,464 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2022-11-16 16:25:44,464 INFO L899 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2022-11-16 16:25:44,464 INFO L899 garLoopResultBuilder]: For program point L1012-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,464 INFO L899 garLoopResultBuilder]: For program point L979-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 1026) no Hoare annotation was computed. [2022-11-16 16:25:44,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2022-11-16 16:25:44,466 INFO L899 garLoopResultBuilder]: For program point L1029(line 1029) no Hoare annotation was computed. [2022-11-16 16:25:44,466 INFO L899 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2022-11-16 16:25:44,466 INFO L899 garLoopResultBuilder]: For program point L1029-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,467 INFO L899 garLoopResultBuilder]: For program point L996-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2022-11-16 16:25:44,467 INFO L899 garLoopResultBuilder]: For program point L1013(line 1013) no Hoare annotation was computed. [2022-11-16 16:25:44,468 INFO L899 garLoopResultBuilder]: For program point L980(line 980) no Hoare annotation was computed. [2022-11-16 16:25:44,468 INFO L899 garLoopResultBuilder]: For program point L1013-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,468 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2022-11-16 16:25:44,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2022-11-16 16:25:44,471 INFO L899 garLoopResultBuilder]: For program point L1030(line 1030) no Hoare annotation was computed. [2022-11-16 16:25:44,471 INFO L899 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2022-11-16 16:25:44,471 INFO L899 garLoopResultBuilder]: For program point L997-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,471 INFO L899 garLoopResultBuilder]: For program point L1014(line 1014) no Hoare annotation was computed. [2022-11-16 16:25:44,471 INFO L899 garLoopResultBuilder]: For program point L1014-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2022-11-16 16:25:44,472 INFO L899 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2022-11-16 16:25:44,472 INFO L899 garLoopResultBuilder]: For program point L998-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2022-11-16 16:25:44,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2022-11-16 16:25:44,473 INFO L899 garLoopResultBuilder]: For program point L1015(line 1015) no Hoare annotation was computed. [2022-11-16 16:25:44,473 INFO L899 garLoopResultBuilder]: For program point L1015-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2022-11-16 16:25:44,474 INFO L899 garLoopResultBuilder]: For program point L999(line 999) no Hoare annotation was computed. [2022-11-16 16:25:44,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1023) no Hoare annotation was computed. [2022-11-16 16:25:44,474 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,474 INFO L899 garLoopResultBuilder]: For program point L999-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 16:25:44,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2022-11-16 16:25:44,475 INFO L899 garLoopResultBuilder]: For program point L1016(line 1016) no Hoare annotation was computed. [2022-11-16 16:25:44,475 INFO L899 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2022-11-16 16:25:44,475 INFO L899 garLoopResultBuilder]: For program point L1016-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,477 INFO L899 garLoopResultBuilder]: For program point L983-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2022-11-16 16:25:44,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1022) no Hoare annotation was computed. [2022-11-16 16:25:44,477 INFO L899 garLoopResultBuilder]: For program point L1000(line 1000) no Hoare annotation was computed. [2022-11-16 16:25:44,479 INFO L899 garLoopResultBuilder]: For program point L1000-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2022-11-16 16:25:44,480 INFO L899 garLoopResultBuilder]: For program point L1017(line 1017) no Hoare annotation was computed. [2022-11-16 16:25:44,480 INFO L899 garLoopResultBuilder]: For program point L984(line 984) no Hoare annotation was computed. [2022-11-16 16:25:44,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2022-11-16 16:25:44,481 INFO L899 garLoopResultBuilder]: For program point L1017-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,482 INFO L899 garLoopResultBuilder]: For program point L984-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2022-11-16 16:25:44,483 INFO L899 garLoopResultBuilder]: For program point L1001(line 1001) no Hoare annotation was computed. [2022-11-16 16:25:44,483 INFO L899 garLoopResultBuilder]: For program point L1001-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2022-11-16 16:25:44,483 INFO L899 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2022-11-16 16:25:44,483 INFO L899 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2022-11-16 16:25:44,484 INFO L899 garLoopResultBuilder]: For program point L1018-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,484 INFO L899 garLoopResultBuilder]: For program point L985-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1024) no Hoare annotation was computed. [2022-11-16 16:25:44,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2022-11-16 16:25:44,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 980) no Hoare annotation was computed. [2022-11-16 16:25:44,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 16:25:44,485 INFO L899 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2022-11-16 16:25:44,485 INFO L899 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2022-11-16 16:25:44,485 INFO L899 garLoopResultBuilder]: For program point L1019-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,486 INFO L899 garLoopResultBuilder]: For program point L986-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2022-11-16 16:25:44,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1017) no Hoare annotation was computed. [2022-11-16 16:25:44,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2022-11-16 16:25:44,486 INFO L899 garLoopResultBuilder]: For program point L987(line 987) no Hoare annotation was computed. [2022-11-16 16:25:44,487 INFO L899 garLoopResultBuilder]: For program point L987-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2022-11-16 16:25:44,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2022-11-16 16:25:44,487 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2022-11-16 16:25:44,488 INFO L895 garLoopResultBuilder]: At program point L971(line 971) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2022-11-16 16:25:44,490 INFO L895 garLoopResultBuilder]: At program point L971-1(line 971) the Hoare annotation is: (and (not (fp.isNaN |ULTIMATE.start_main_~f2~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-16 16:25:44,490 INFO L899 garLoopResultBuilder]: For program point L1004-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,491 INFO L899 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2022-11-16 16:25:44,491 INFO L899 garLoopResultBuilder]: For program point L972(line 972) no Hoare annotation was computed. [2022-11-16 16:25:44,491 INFO L899 garLoopResultBuilder]: For program point L1005-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,491 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2022-11-16 16:25:44,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2022-11-16 16:25:44,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2022-11-16 16:25:44,493 INFO L899 garLoopResultBuilder]: For program point L1022(line 1022) no Hoare annotation was computed. [2022-11-16 16:25:44,493 INFO L899 garLoopResultBuilder]: For program point L1022-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,493 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2022-11-16 16:25:44,494 INFO L899 garLoopResultBuilder]: For program point L1006(line 1006) no Hoare annotation was computed. [2022-11-16 16:25:44,494 INFO L899 garLoopResultBuilder]: For program point L1006-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,495 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1018) no Hoare annotation was computed. [2022-11-16 16:25:44,495 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 16:25:44,495 INFO L899 garLoopResultBuilder]: For program point L1023(line 1023) no Hoare annotation was computed. [2022-11-16 16:25:44,495 INFO L899 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2022-11-16 16:25:44,496 INFO L899 garLoopResultBuilder]: For program point L1023-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,496 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,496 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2022-11-16 16:25:44,496 INFO L899 garLoopResultBuilder]: For program point L1007(line 1007) no Hoare annotation was computed. [2022-11-16 16:25:44,496 INFO L899 garLoopResultBuilder]: For program point L1007-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,497 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2022-11-16 16:25:44,497 INFO L899 garLoopResultBuilder]: For program point L1024(line 1024) no Hoare annotation was computed. [2022-11-16 16:25:44,497 INFO L899 garLoopResultBuilder]: For program point L991(line 991) no Hoare annotation was computed. [2022-11-16 16:25:44,497 INFO L899 garLoopResultBuilder]: For program point L1024-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,497 INFO L899 garLoopResultBuilder]: For program point L991-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,497 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2022-11-16 16:25:44,498 INFO L899 garLoopResultBuilder]: For program point L1008-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 1030) no Hoare annotation was computed. [2022-11-16 16:25:44,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2022-11-16 16:25:44,498 INFO L899 garLoopResultBuilder]: For program point L1025(line 1025) no Hoare annotation was computed. [2022-11-16 16:25:44,498 INFO L899 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2022-11-16 16:25:44,499 INFO L899 garLoopResultBuilder]: For program point L1025-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,500 INFO L899 garLoopResultBuilder]: For program point L992-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,500 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2022-11-16 16:25:44,500 INFO L899 garLoopResultBuilder]: For program point L1009(line 1009) no Hoare annotation was computed. [2022-11-16 16:25:44,500 INFO L899 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2022-11-16 16:25:44,501 INFO L899 garLoopResultBuilder]: For program point L976-1(line 976) no Hoare annotation was computed. [2022-11-16 16:25:44,501 INFO L899 garLoopResultBuilder]: For program point L1009-2(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,501 INFO L899 garLoopResultBuilder]: For program point L976-3(lines 967 1031) no Hoare annotation was computed. [2022-11-16 16:25:44,501 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1025) no Hoare annotation was computed. [2022-11-16 16:25:44,502 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2022-11-16 16:25:44,502 INFO L899 garLoopResultBuilder]: For program point L1026(line 1026) no Hoare annotation was computed. [2022-11-16 16:25:44,502 INFO L899 garLoopResultBuilder]: For program point L3-2(lines 2 4) no Hoare annotation was computed. [2022-11-16 16:25:44,502 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2 4) the Hoare annotation is: true [2022-11-16 16:25:44,503 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2022-11-16 16:25:44,503 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2 4) no Hoare annotation was computed. [2022-11-16 16:25:44,507 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 16:25:44,511 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:25:44,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:25:44 BoogieIcfgContainer [2022-11-16 16:25:44,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:25:44,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:25:44,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:25:44,525 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:25:44,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:24:14" (3/4) ... [2022-11-16 16:25:44,529 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 16:25:44,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-16 16:25:44,550 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 16:25:44,551 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 16:25:44,551 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 16:25:44,552 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:25:44,634 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 16:25:44,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:25:44,635 INFO L158 Benchmark]: Toolchain (without parser) took 96852.24ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 42.1MB in the beginning and 57.9MB in the end (delta: -15.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-11-16 16:25:44,636 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:25:44,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1184.00ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 41.9MB in the beginning and 45.1MB in the end (delta: -3.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-11-16 16:25:44,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.73ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 65.4MB in the end (delta: -20.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-11-16 16:25:44,637 INFO L158 Benchmark]: Boogie Preprocessor took 77.91ms. Allocated memory is still 86.0MB. Free memory was 65.4MB in the beginning and 63.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:25:44,638 INFO L158 Benchmark]: RCFGBuilder took 5204.99ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 46.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 16:25:44,639 INFO L158 Benchmark]: TraceAbstraction took 90129.06ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 46.5MB in the beginning and 62.1MB in the end (delta: -15.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-16 16:25:44,640 INFO L158 Benchmark]: Witness Printer took 110.65ms. Allocated memory is still 111.1MB. Free memory was 62.1MB in the beginning and 57.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 16:25:44,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1184.00ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 41.9MB in the beginning and 45.1MB in the end (delta: -3.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.73ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 65.4MB in the end (delta: -20.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.91ms. Allocated memory is still 86.0MB. Free memory was 65.4MB in the beginning and 63.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5204.99ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 46.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 90129.06ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 46.5MB in the beginning and 62.1MB in the end (delta: -15.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 110.65ms. Allocated memory is still 111.1MB. Free memory was 62.1MB in the beginning and 57.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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 2 procedures, 141 locations, 43 error locations. Started 1 CEGAR loops. OverallTime: 90.0s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 51.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 51.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 50.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 73 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 143 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 9.5s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 131 ConstructedInterpolants, 2 QuantifiedInterpolants, 772 SizeOfPredicates, 11 NumberOfNonLiveVariables, 216 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 20/20 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! [2022-11-16 16:25:44,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bde14688-ce07-4957-b321-9b3afaa4e54c/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE