./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 38b53e6a 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:40:32,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:40:32,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:40:32,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:40:32,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:40:32,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:40:32,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:40:32,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:40:32,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:40:32,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:40:32,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:40:32,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:40:32,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:40:32,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:40:32,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:40:32,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:40:32,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:40:32,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:40:32,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:40:32,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:40:32,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:40:32,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:40:32,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:40:32,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:40:32,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:40:32,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:40:32,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:40:32,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:40:32,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:40:32,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:40:32,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:40:32,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:40:32,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:40:32,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:40:32,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:40:32,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:40:32,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:40:32,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:40:32,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:40:32,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:40:32,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:40:32,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-26 00:40:32,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:40:32,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:40:32,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:40:32,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:40:32,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:40:32,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:40:32,232 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:40:32,232 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:40:32,232 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:40:32,233 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:40:32,234 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:40:32,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:40:32,234 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:40:32,234 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:40:32,235 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:40:32,235 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:40:32,235 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:40:32,235 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:40:32,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:40:32,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:40:32,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:40:32,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:40:32,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:40:32,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:40:32,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:40:32,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:40:32,238 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:40:32,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:40:32,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:40:32,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:40:32,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:40:32,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:40:32,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:40:32,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:40:32,240 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:40:32,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:40:32,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:40:32,241 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:40:32,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:40:32,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:40:32,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:40:32,242 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2022-11-26 00:40:32,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:40:32,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:40:32,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:40:32,551 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:40:32,553 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:40:32,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2022-11-26 00:40:35,663 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:40:35,985 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:40:35,986 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i [2022-11-26 00:40:36,005 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/data/f1d69bd36/c39a8a6701a3403dbf354f5831454e55/FLAGea5a64be1 [2022-11-26 00:40:36,030 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/data/f1d69bd36/c39a8a6701a3403dbf354f5831454e55 [2022-11-26 00:40:36,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:40:36,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:40:36,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:40:36,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:40:36,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:40:36,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:40:36" (1/1) ... [2022-11-26 00:40:36,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61869b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:36, skipping insertion in model container [2022-11-26 00:40:36,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:40:36" (1/1) ... [2022-11-26 00:40:36,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:40:36,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:40:36,730 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:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) 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:1133) 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:2453) 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:2453) 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:678) 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:1476) 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:1420) 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:1094) 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:1496) 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:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-26 00:40:36,739 INFO L158 Benchmark]: Toolchain (without parser) took 699.84ms. Allocated memory is still 138.4MB. Free memory was 104.1MB in the beginning and 90.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 00:40:36,740 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:40:36,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.23ms. Allocated memory is still 138.4MB. Free memory was 103.7MB in the beginning and 90.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 00:40:36,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.23ms. Allocated memory is still 138.4MB. Free memory was 103.7MB in the beginning and 90.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. 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:806) 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:40:39,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:40:39,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:40:39,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:40:39,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:40:39,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:40:39,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:40:39,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:40:39,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:40:39,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:40:39,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:40:39,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:40:39,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:40:39,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:40:39,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:40:39,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:40:39,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:40:39,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:40:39,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:40:39,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:40:39,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:40:39,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:40:39,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:40:39,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:40:39,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:40:39,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:40:39,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:40:39,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:40:39,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:40:39,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:40:39,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:40:39,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:40:39,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:40:39,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:40:39,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:40:39,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:40:39,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:40:39,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:40:39,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:40:39,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:40:39,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:40:39,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-26 00:40:39,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:40:39,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:40:39,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:40:39,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:40:39,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:40:39,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:40:39,259 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:40:39,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:40:39,260 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:40:39,260 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:40:39,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:40:39,262 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:40:39,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:40:39,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:40:39,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:40:39,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:40:39,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:40:39,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:40:39,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:40:39,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:40:39,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:40:39,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:40:39,265 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:40:39,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:40:39,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:40:39,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:40:39,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:40:39,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:40:39,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:40:39,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:40:39,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:40:39,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:40:39,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:40:39,269 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:40:39,269 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:40:39,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:40:39,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:40:39,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:40:39,270 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2022-11-26 00:40:39,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:40:39,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:40:39,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:40:39,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:40:39,671 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:40:39,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2022-11-26 00:40:42,808 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:40:43,143 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:40:43,144 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i [2022-11-26 00:40:43,163 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/data/fb2e76da2/f086c672f34945b8bac453b90721ae49/FLAGcc7bf615a [2022-11-26 00:40:43,190 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/data/fb2e76da2/f086c672f34945b8bac453b90721ae49 [2022-11-26 00:40:43,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:40:43,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:40:43,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:40:43,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:40:43,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:40:43,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:40:43" (1/1) ... [2022-11-26 00:40:43,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e456f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:43, skipping insertion in model container [2022-11-26 00:40:43,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:40:43" (1/1) ... [2022-11-26 00:40:43,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:40:43,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:40:43,990 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2022-11-26 00:40:43,996 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2022-11-26 00:40:43,998 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2022-11-26 00:40:43,999 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2022-11-26 00:40:43,999 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2022-11-26 00:40:44,000 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2022-11-26 00:40:44,001 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2022-11-26 00:40:44,002 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2022-11-26 00:40:44,003 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2022-11-26 00:40:44,004 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2022-11-26 00:40:44,006 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2022-11-26 00:40:44,008 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2022-11-26 00:40:44,009 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2022-11-26 00:40:44,010 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2022-11-26 00:40:44,010 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2022-11-26 00:40:44,013 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2022-11-26 00:40:44,014 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2022-11-26 00:40:44,015 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2022-11-26 00:40:44,016 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2022-11-26 00:40:44,018 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2022-11-26 00:40:44,019 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2022-11-26 00:40:44,020 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2022-11-26 00:40:44,021 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2022-11-26 00:40:44,022 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2022-11-26 00:40:44,025 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2022-11-26 00:40:44,025 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2022-11-26 00:40:44,026 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2022-11-26 00:40:44,027 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2022-11-26 00:40:44,028 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2022-11-26 00:40:44,028 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2022-11-26 00:40:44,029 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2022-11-26 00:40:44,030 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2022-11-26 00:40:44,033 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2022-11-26 00:40:44,035 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2022-11-26 00:40:44,035 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2022-11-26 00:40:44,036 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2022-11-26 00:40:44,040 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2022-11-26 00:40:44,041 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2022-11-26 00:40:44,042 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2022-11-26 00:40:44,042 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2022-11-26 00:40:44,043 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2022-11-26 00:40:44,043 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2022-11-26 00:40:44,044 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2022-11-26 00:40:44,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:40:44,063 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:40:44,111 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2022-11-26 00:40:44,112 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2022-11-26 00:40:44,112 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2022-11-26 00:40:44,113 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2022-11-26 00:40:44,113 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2022-11-26 00:40:44,114 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2022-11-26 00:40:44,114 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2022-11-26 00:40:44,116 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2022-11-26 00:40:44,117 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2022-11-26 00:40:44,118 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2022-11-26 00:40:44,119 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2022-11-26 00:40:44,122 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2022-11-26 00:40:44,123 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2022-11-26 00:40:44,124 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2022-11-26 00:40:44,128 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2022-11-26 00:40:44,129 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2022-11-26 00:40:44,130 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2022-11-26 00:40:44,131 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2022-11-26 00:40:44,131 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2022-11-26 00:40:44,132 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2022-11-26 00:40:44,132 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2022-11-26 00:40:44,133 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2022-11-26 00:40:44,133 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2022-11-26 00:40:44,134 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2022-11-26 00:40:44,134 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2022-11-26 00:40:44,135 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2022-11-26 00:40:44,135 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2022-11-26 00:40:44,136 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2022-11-26 00:40:44,136 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2022-11-26 00:40:44,137 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2022-11-26 00:40:44,137 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2022-11-26 00:40:44,138 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2022-11-26 00:40:44,138 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2022-11-26 00:40:44,139 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2022-11-26 00:40:44,141 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2022-11-26 00:40:44,142 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2022-11-26 00:40:44,143 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2022-11-26 00:40:44,144 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2022-11-26 00:40:44,146 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2022-11-26 00:40:44,147 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2022-11-26 00:40:44,147 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2022-11-26 00:40:44,148 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2022-11-26 00:40:44,148 WARN L237 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_166918ed-71c6-44ad-81f4-47dbef61d8c9/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2022-11-26 00:40:44,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:40:44,308 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:40:44,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44 WrapperNode [2022-11-26 00:40:44,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:40:44,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:40:44,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:40:44,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:40:44,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,399 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2022-11-26 00:40:44,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:40:44,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:40:44,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:40:44,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:40:44,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:40:44,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:40:44,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:40:44,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:40:44,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (1/1) ... [2022-11-26 00:40:44,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:40:44,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:40:44,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:40:44,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:40:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:40:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:40:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:40:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:40:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:40:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:40:44,656 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:40:44,658 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:40:48,635 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:40:48,644 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:40:48,644 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:40:48,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:40:48 BoogieIcfgContainer [2022-11-26 00:40:48,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:40:48,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:40:48,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:40:48,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:40:48,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:40:43" (1/3) ... [2022-11-26 00:40:48,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62df856c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:40:48, skipping insertion in model container [2022-11-26 00:40:48,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:44" (2/3) ... [2022-11-26 00:40:48,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62df856c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:40:48, skipping insertion in model container [2022-11-26 00:40:48,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:40:48" (3/3) ... [2022-11-26 00:40:48,664 INFO L112 eAbstractionObserver]: Analyzing ICFG float4.i [2022-11-26 00:40:48,685 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:40:48,685 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2022-11-26 00:40:48,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:40:48,749 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;@7e800752, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:40:48,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2022-11-26 00:40:48,754 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) [2022-11-26 00:40:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-26 00:40:48,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:48,763 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:40:48,764 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)] === [2022-11-26 00:40:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:48,770 INFO L85 PathProgramCache]: Analyzing trace with hash -710974657, now seen corresponding path program 1 times [2022-11-26 00:40:48,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:40:48,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276099] [2022-11-26 00:40:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:48,785 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 [2022-11-26 00:40:48,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:40:48,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:40:48,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:40:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:40:48,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 00:40:48,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:40:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:40:48,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:40:48,953 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:40:48,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276099] [2022-11-26 00:40:48,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:40:48,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:40:48,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:40:48,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576700018] [2022-11-26 00:40:48,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:40:48,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:40:48,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:40:49,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:40:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:40:49,014 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) [2022-11-26 00:40:49,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:40:49,065 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2022-11-26 00:40:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:40:49,067 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 [2022-11-26 00:40:49,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:40:49,074 INFO L225 Difference]: With dead ends: 219 [2022-11-26 00:40:49,075 INFO L226 Difference]: Without dead ends: 61 [2022-11-26 00:40:49,078 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 [2022-11-26 00:40:49,081 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 [2022-11-26 00:40:49,082 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] [2022-11-26 00:40:49,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-26 00:40:49,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-26 00:40:49,122 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) [2022-11-26 00:40:49,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2022-11-26 00:40:49,131 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 15 [2022-11-26 00:40:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:40:49,132 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2022-11-26 00:40:49,133 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) [2022-11-26 00:40:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2022-11-26 00:40:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:40:49,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:49,135 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:40:49,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:40:49,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:40:49,355 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)] === [2022-11-26 00:40:49,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:49,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1467798991, now seen corresponding path program 1 times [2022-11-26 00:40:49,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:40:49,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [856197480] [2022-11-26 00:40:49,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:49,357 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 [2022-11-26 00:40:49,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:40:49,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:40:49,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:40:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:40:50,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:40:50,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:40:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:40:50,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:40:50,649 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:40:50,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [856197480] [2022-11-26 00:40:50,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [856197480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:40:50,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:40:50,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:40:50,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44745311] [2022-11-26 00:40:50,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:40:50,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:40:50,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:40:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:40:50,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:40:50,652 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) [2022-11-26 00:40:53,104 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 [] [2022-11-26 00:40:55,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:57,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:59,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:40:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:40:59,671 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2022-11-26 00:40:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:40:59,691 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 [2022-11-26 00:40:59,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:40:59,692 INFO L225 Difference]: With dead ends: 61 [2022-11-26 00:40:59,692 INFO L226 Difference]: Without dead ends: 43 [2022-11-26 00:40:59,693 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 [2022-11-26 00:40:59,694 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:40:59,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 38 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 4 Unknown, 0 Unchecked, 8.9s Time] [2022-11-26 00:40:59,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-26 00:40:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-26 00:40:59,702 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) [2022-11-26 00:40:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2022-11-26 00:40:59,703 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 16 [2022-11-26 00:40:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:40:59,705 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2022-11-26 00:40:59,705 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) [2022-11-26 00:40:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-11-26 00:40:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-26 00:40:59,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:40:59,707 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] [2022-11-26 00:40:59,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:40:59,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:40:59,921 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)] === [2022-11-26 00:40:59,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:40:59,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1274908175, now seen corresponding path program 1 times [2022-11-26 00:40:59,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:40:59,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767041051] [2022-11-26 00:40:59,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:40:59,923 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 [2022-11-26 00:40:59,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:40:59,925 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:40:59,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:41:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:02,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:41:02,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:41:10,698 WARN L837 $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 [2022-11-26 00:41:12,704 WARN L859 $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 [2022-11-26 00:41:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:41:12,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:41:12,705 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:41:12,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767041051] [2022-11-26 00:41:12,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767041051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:12,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:12,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:41:12,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419333411] [2022-11-26 00:41:12,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:12,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:41:12,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:41:12,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:41:12,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2022-11-26 00:41:12,707 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) [2022-11-26 00:41:15,015 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 [] [2022-11-26 00:41:17,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:19,282 WARN L539 Checker$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 [] [2022-11-26 00:41:21,509 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 [] [2022-11-26 00:41:21,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:21,510 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2022-11-26 00:41:21,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:41:21,529 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 [2022-11-26 00:41:21,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:21,530 INFO L225 Difference]: With dead ends: 43 [2022-11-26 00:41:21,530 INFO L226 Difference]: Without dead ends: 41 [2022-11-26 00:41:21,530 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 [2022-11-26 00:41:21,531 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 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, 8.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:21,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 25 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 4 Unknown, 38 Unchecked, 8.8s Time] [2022-11-26 00:41:21,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-26 00:41:21,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-26 00:41:21,538 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) [2022-11-26 00:41:21,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2022-11-26 00:41:21,539 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 32 [2022-11-26 00:41:21,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:21,539 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2022-11-26 00:41:21,540 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) [2022-11-26 00:41:21,540 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-11-26 00:41:21,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:41:21,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:21,541 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] [2022-11-26 00:41:21,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:41:21,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:41:21,742 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)] === [2022-11-26 00:41:21,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:21,742 INFO L85 PathProgramCache]: Analyzing trace with hash 867451975, now seen corresponding path program 1 times [2022-11-26 00:41:21,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:41:21,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974725087] [2022-11-26 00:41:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:21,743 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 [2022-11-26 00:41:21,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:41:21,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:41:21,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:41:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:22,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:41:22,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:41:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:41:24,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:41:24,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:41:24,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974725087] [2022-11-26 00:41:24,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974725087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:41:24,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:41:24,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:41:24,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094033114] [2022-11-26 00:41:24,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:41:24,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:41:24,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:41:24,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:41:24,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:24,723 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) [2022-11-26 00:41:28,295 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 [] [2022-11-26 00:41:30,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:32,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:34,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:36,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:39,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:42,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:45,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:47,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:51,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:41:51,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:41:51,189 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2022-11-26 00:41:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:41:51,210 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 [2022-11-26 00:41:51,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:41:51,211 INFO L225 Difference]: With dead ends: 41 [2022-11-26 00:41:51,211 INFO L226 Difference]: Without dead ends: 37 [2022-11-26 00:41:51,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:41:51,212 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s 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, 26.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:41:51,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 37 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 10 Unknown, 0 Unchecked, 26.5s Time] [2022-11-26 00:41:51,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-26 00:41:51,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-26 00:41:51,217 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) [2022-11-26 00:41:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2022-11-26 00:41:51,217 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 33 [2022-11-26 00:41:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:41:51,218 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2022-11-26 00:41:51,218 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) [2022-11-26 00:41:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-11-26 00:41:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-26 00:41:51,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:51,220 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] [2022-11-26 00:41:51,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:41:51,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:41:51,440 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)] === [2022-11-26 00:41:51,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:51,441 INFO L85 PathProgramCache]: Analyzing trace with hash 695659055, now seen corresponding path program 1 times [2022-11-26 00:41:51,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:41:51,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28373910] [2022-11-26 00:41:51,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:51,441 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 [2022-11-26 00:41:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:41:51,444 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:41:51,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:41:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:55,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:41:55,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:42:06,733 WARN L837 $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 [2022-11-26 00:42:08,749 WARN L859 $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 [2022-11-26 00:42:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:42:08,750 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:42:08,751 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:42:08,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28373910] [2022-11-26 00:42:08,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28373910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:42:08,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:42:08,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:42:08,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238035571] [2022-11-26 00:42:08,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:42:08,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:42:08,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:42:08,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:42:08,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2022-11-26 00:42:08,753 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) [2022-11-26 00:42:11,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:42:11,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:42:11,698 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2022-11-26 00:42:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:42:11,718 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 [2022-11-26 00:42:11,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:42:11,718 INFO L225 Difference]: With dead ends: 37 [2022-11-26 00:42:11,718 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:42:11,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2022-11-26 00:42:11,719 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 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, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:42:11,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 1 Unknown, 35 Unchecked, 2.9s Time] [2022-11-26 00:42:11,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:42:11,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:42:11,721 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) [2022-11-26 00:42:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:42:11,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-26 00:42:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:42:11,721 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:42:11,721 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) [2022-11-26 00:42:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:42:11,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:42:11,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 43 remaining) [2022-11-26 00:42:11,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (41 of 43 remaining) [2022-11-26 00:42:11,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (40 of 43 remaining) [2022-11-26 00:42:11,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (39 of 43 remaining) [2022-11-26 00:42:11,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (38 of 43 remaining) [2022-11-26 00:42:11,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (37 of 43 remaining) [2022-11-26 00:42:11,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (36 of 43 remaining) [2022-11-26 00:42:11,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (35 of 43 remaining) [2022-11-26 00:42:11,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (34 of 43 remaining) [2022-11-26 00:42:11,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (33 of 43 remaining) [2022-11-26 00:42:11,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (32 of 43 remaining) [2022-11-26 00:42:11,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (31 of 43 remaining) [2022-11-26 00:42:11,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (30 of 43 remaining) [2022-11-26 00:42:11,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (29 of 43 remaining) [2022-11-26 00:42:11,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (28 of 43 remaining) [2022-11-26 00:42:11,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (27 of 43 remaining) [2022-11-26 00:42:11,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (26 of 43 remaining) [2022-11-26 00:42:11,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (25 of 43 remaining) [2022-11-26 00:42:11,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (24 of 43 remaining) [2022-11-26 00:42:11,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (23 of 43 remaining) [2022-11-26 00:42:11,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (22 of 43 remaining) [2022-11-26 00:42:11,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (21 of 43 remaining) [2022-11-26 00:42:11,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (20 of 43 remaining) [2022-11-26 00:42:11,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (19 of 43 remaining) [2022-11-26 00:42:11,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (18 of 43 remaining) [2022-11-26 00:42:11,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (17 of 43 remaining) [2022-11-26 00:42:11,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (16 of 43 remaining) [2022-11-26 00:42:11,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (15 of 43 remaining) [2022-11-26 00:42:11,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (14 of 43 remaining) [2022-11-26 00:42:11,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (13 of 43 remaining) [2022-11-26 00:42:11,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (12 of 43 remaining) [2022-11-26 00:42:11,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (11 of 43 remaining) [2022-11-26 00:42:11,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (10 of 43 remaining) [2022-11-26 00:42:11,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (9 of 43 remaining) [2022-11-26 00:42:11,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (8 of 43 remaining) [2022-11-26 00:42:11,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (7 of 43 remaining) [2022-11-26 00:42:11,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (6 of 43 remaining) [2022-11-26 00:42:11,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (5 of 43 remaining) [2022-11-26 00:42:11,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (4 of 43 remaining) [2022-11-26 00:42:11,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (3 of 43 remaining) [2022-11-26 00:42:11,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (2 of 43 remaining) [2022-11-26 00:42:11,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (1 of 43 remaining) [2022-11-26 00:42:11,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (0 of 43 remaining) [2022-11-26 00:42:11,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:42:11,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:42:11,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:42:11,961 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2022-11-26 00:42:11,961 INFO L899 garLoopResultBuilder]: For program point L1026-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,961 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2022-11-26 00:42:11,961 INFO L899 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2022-11-26 00:42:11,961 INFO L899 garLoopResultBuilder]: For program point L977-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,961 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2022-11-26 00:42:11,962 INFO L899 garLoopResultBuilder]: For program point L1027(line 1027) no Hoare annotation was computed. [2022-11-26 00:42:11,962 INFO L899 garLoopResultBuilder]: For program point L1027-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:42:11,962 INFO L899 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2022-11-26 00:42:11,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2022-11-26 00:42:11,962 INFO L899 garLoopResultBuilder]: For program point L978-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2022-11-26 00:42:11,963 INFO L899 garLoopResultBuilder]: For program point L1028(line 1028) no Hoare annotation was computed. [2022-11-26 00:42:11,963 INFO L899 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2022-11-26 00:42:11,963 INFO L899 garLoopResultBuilder]: For program point L1028-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,963 INFO L899 garLoopResultBuilder]: For program point L995-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,963 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2022-11-26 00:42:11,963 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2022-11-26 00:42:11,964 INFO L899 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2022-11-26 00:42:11,964 INFO L899 garLoopResultBuilder]: For program point L1012-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,964 INFO L899 garLoopResultBuilder]: For program point L979-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,964 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 1026) no Hoare annotation was computed. [2022-11-26 00:42:11,964 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2022-11-26 00:42:11,964 INFO L899 garLoopResultBuilder]: For program point L1029(line 1029) no Hoare annotation was computed. [2022-11-26 00:42:11,964 INFO L899 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2022-11-26 00:42:11,965 INFO L899 garLoopResultBuilder]: For program point L1029-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,965 INFO L899 garLoopResultBuilder]: For program point L996-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,965 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2022-11-26 00:42:11,965 INFO L899 garLoopResultBuilder]: For program point L1013(line 1013) no Hoare annotation was computed. [2022-11-26 00:42:11,965 INFO L899 garLoopResultBuilder]: For program point L980(line 980) no Hoare annotation was computed. [2022-11-26 00:42:11,965 INFO L899 garLoopResultBuilder]: For program point L1013-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,966 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2022-11-26 00:42:11,966 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2022-11-26 00:42:11,966 INFO L899 garLoopResultBuilder]: For program point L1030(line 1030) no Hoare annotation was computed. [2022-11-26 00:42:11,966 INFO L899 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2022-11-26 00:42:11,966 INFO L899 garLoopResultBuilder]: For program point L997-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,967 INFO L899 garLoopResultBuilder]: For program point L1014(line 1014) no Hoare annotation was computed. [2022-11-26 00:42:11,967 INFO L899 garLoopResultBuilder]: For program point L1014-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2022-11-26 00:42:11,967 INFO L899 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2022-11-26 00:42:11,967 INFO L899 garLoopResultBuilder]: For program point L998-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2022-11-26 00:42:11,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2022-11-26 00:42:11,968 INFO L899 garLoopResultBuilder]: For program point L1015(line 1015) no Hoare annotation was computed. [2022-11-26 00:42:11,968 INFO L899 garLoopResultBuilder]: For program point L1015-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2022-11-26 00:42:11,968 INFO L899 garLoopResultBuilder]: For program point L999(line 999) no Hoare annotation was computed. [2022-11-26 00:42:11,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1023) no Hoare annotation was computed. [2022-11-26 00:42:11,969 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,969 INFO L899 garLoopResultBuilder]: For program point L999-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:42:11,969 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2022-11-26 00:42:11,969 INFO L899 garLoopResultBuilder]: For program point L1016(line 1016) no Hoare annotation was computed. [2022-11-26 00:42:11,969 INFO L899 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2022-11-26 00:42:11,969 INFO L899 garLoopResultBuilder]: For program point L1016-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,970 INFO L899 garLoopResultBuilder]: For program point L983-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2022-11-26 00:42:11,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1022) no Hoare annotation was computed. [2022-11-26 00:42:11,970 INFO L899 garLoopResultBuilder]: For program point L1000(line 1000) no Hoare annotation was computed. [2022-11-26 00:42:11,970 INFO L899 garLoopResultBuilder]: For program point L1000-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2022-11-26 00:42:11,971 INFO L899 garLoopResultBuilder]: For program point L1017(line 1017) no Hoare annotation was computed. [2022-11-26 00:42:11,971 INFO L899 garLoopResultBuilder]: For program point L984(line 984) no Hoare annotation was computed. [2022-11-26 00:42:11,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2022-11-26 00:42:11,971 INFO L899 garLoopResultBuilder]: For program point L1017-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,971 INFO L899 garLoopResultBuilder]: For program point L984-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2022-11-26 00:42:11,971 INFO L899 garLoopResultBuilder]: For program point L1001(line 1001) no Hoare annotation was computed. [2022-11-26 00:42:11,972 INFO L899 garLoopResultBuilder]: For program point L1001-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2022-11-26 00:42:11,972 INFO L899 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2022-11-26 00:42:11,972 INFO L899 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2022-11-26 00:42:11,972 INFO L899 garLoopResultBuilder]: For program point L1018-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,972 INFO L899 garLoopResultBuilder]: For program point L985-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1024) no Hoare annotation was computed. [2022-11-26 00:42:11,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2022-11-26 00:42:11,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 980) no Hoare annotation was computed. [2022-11-26 00:42:11,973 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-26 00:42:11,973 INFO L899 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2022-11-26 00:42:11,973 INFO L899 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2022-11-26 00:42:11,973 INFO L899 garLoopResultBuilder]: For program point L1019-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,974 INFO L899 garLoopResultBuilder]: For program point L986-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,974 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2022-11-26 00:42:11,974 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1017) no Hoare annotation was computed. [2022-11-26 00:42:11,974 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2022-11-26 00:42:11,974 INFO L899 garLoopResultBuilder]: For program point L987(line 987) no Hoare annotation was computed. [2022-11-26 00:42:11,974 INFO L899 garLoopResultBuilder]: For program point L987-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,975 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2022-11-26 00:42:11,975 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2022-11-26 00:42:11,975 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2022-11-26 00:42:11,975 INFO L895 garLoopResultBuilder]: At program point L971(line 971) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2022-11-26 00:42:11,975 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)) [2022-11-26 00:42:11,976 INFO L899 garLoopResultBuilder]: For program point L1004-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,976 INFO L899 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2022-11-26 00:42:11,976 INFO L899 garLoopResultBuilder]: For program point L972(line 972) no Hoare annotation was computed. [2022-11-26 00:42:11,976 INFO L899 garLoopResultBuilder]: For program point L1005-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,976 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2022-11-26 00:42:11,976 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2022-11-26 00:42:11,976 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2022-11-26 00:42:11,977 INFO L899 garLoopResultBuilder]: For program point L1022(line 1022) no Hoare annotation was computed. [2022-11-26 00:42:11,977 INFO L899 garLoopResultBuilder]: For program point L1022-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,977 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2022-11-26 00:42:11,977 INFO L899 garLoopResultBuilder]: For program point L1006(line 1006) no Hoare annotation was computed. [2022-11-26 00:42:11,977 INFO L899 garLoopResultBuilder]: For program point L1006-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,977 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1018) no Hoare annotation was computed. [2022-11-26 00:42:11,978 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-26 00:42:11,978 INFO L899 garLoopResultBuilder]: For program point L1023(line 1023) no Hoare annotation was computed. [2022-11-26 00:42:11,978 INFO L899 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2022-11-26 00:42:11,978 INFO L899 garLoopResultBuilder]: For program point L1023-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,978 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,978 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2022-11-26 00:42:11,979 INFO L899 garLoopResultBuilder]: For program point L1007(line 1007) no Hoare annotation was computed. [2022-11-26 00:42:11,979 INFO L899 garLoopResultBuilder]: For program point L1007-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,979 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2022-11-26 00:42:11,979 INFO L899 garLoopResultBuilder]: For program point L1024(line 1024) no Hoare annotation was computed. [2022-11-26 00:42:11,979 INFO L899 garLoopResultBuilder]: For program point L991(line 991) no Hoare annotation was computed. [2022-11-26 00:42:11,979 INFO L899 garLoopResultBuilder]: For program point L1024-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,979 INFO L899 garLoopResultBuilder]: For program point L991-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,980 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2022-11-26 00:42:11,980 INFO L899 garLoopResultBuilder]: For program point L1008-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,980 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 1030) no Hoare annotation was computed. [2022-11-26 00:42:11,980 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2022-11-26 00:42:11,980 INFO L899 garLoopResultBuilder]: For program point L1025(line 1025) no Hoare annotation was computed. [2022-11-26 00:42:11,980 INFO L899 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2022-11-26 00:42:11,980 INFO L899 garLoopResultBuilder]: For program point L1025-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,981 INFO L899 garLoopResultBuilder]: For program point L992-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,981 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2022-11-26 00:42:11,981 INFO L899 garLoopResultBuilder]: For program point L1009(line 1009) no Hoare annotation was computed. [2022-11-26 00:42:11,981 INFO L899 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2022-11-26 00:42:11,981 INFO L899 garLoopResultBuilder]: For program point L976-1(line 976) no Hoare annotation was computed. [2022-11-26 00:42:11,981 INFO L899 garLoopResultBuilder]: For program point L1009-2(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,982 INFO L899 garLoopResultBuilder]: For program point L976-3(lines 967 1031) no Hoare annotation was computed. [2022-11-26 00:42:11,982 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1025) no Hoare annotation was computed. [2022-11-26 00:42:11,982 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2022-11-26 00:42:11,982 INFO L899 garLoopResultBuilder]: For program point L1026(line 1026) no Hoare annotation was computed. [2022-11-26 00:42:11,982 INFO L899 garLoopResultBuilder]: For program point L3-2(lines 2 4) no Hoare annotation was computed. [2022-11-26 00:42:11,982 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2 4) the Hoare annotation is: true [2022-11-26 00:42:11,983 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2022-11-26 00:42:11,983 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2 4) no Hoare annotation was computed. [2022-11-26 00:42:11,986 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-26 00:42:11,991 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:42:11,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:42:11 BoogieIcfgContainer [2022-11-26 00:42:11,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:42:11,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:42:11,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:42:11,996 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:42:11,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:40:48" (3/4) ... [2022-11-26 00:42:12,000 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:42:12,006 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-26 00:42:12,012 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-26 00:42:12,012 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-26 00:42:12,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:42:12,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:42:12,058 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:42:12,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:42:12,059 INFO L158 Benchmark]: Toolchain (without parser) took 88864.74ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 69.0MB in the end (delta: -19.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-26 00:42:12,060 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:42:12,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1110.84ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 49.5MB in the beginning and 67.5MB in the end (delta: -18.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-11-26 00:42:12,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.56ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 64.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:42:12,061 INFO L158 Benchmark]: Boogie Preprocessor took 53.70ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:42:12,061 INFO L158 Benchmark]: RCFGBuilder took 4192.70ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 46.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-26 00:42:12,061 INFO L158 Benchmark]: TraceAbstraction took 83338.78ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 73.9MB in the end (delta: 776.0kB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-26 00:42:12,062 INFO L158 Benchmark]: Witness Printer took 62.73ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 69.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:42:12,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1110.84ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 49.5MB in the beginning and 67.5MB in the end (delta: -18.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.56ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 64.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.70ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4192.70ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 46.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 83338.78ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 73.9MB in the end (delta: 776.0kB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Witness Printer took 62.73ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 69.0MB in the end (delta: 5.0MB). 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: 83.3s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 47.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 46.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 73 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 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, 9.5s 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, 7.1s SatisfiabilityAnalysisTime, 27.2s 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! [2022-11-26 00:42:12,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166918ed-71c6-44ad-81f4-47dbef61d8c9/bin/utaipan-ByfvJB40ur/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