./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:38:03,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:38:03,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:38:03,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:38:03,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:38:03,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:38:03,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:38:03,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:38:03,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:38:03,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:38:03,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:38:03,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:38:03,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:38:03,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:38:03,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:38:03,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:38:03,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:38:03,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:38:03,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:38:03,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:38:03,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:38:03,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:38:03,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:38:03,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:38:03,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:38:03,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:38:03,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:38:03,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:38:03,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:38:03,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:38:03,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:38:03,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:38:03,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:38:03,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:38:03,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:38:03,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:38:03,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:38:03,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:38:03,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:38:03,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:38:03,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:38:03,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:38:03,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:38:03,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:38:03,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:38:03,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:38:03,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:38:03,859 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:38:03,859 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:38:03,859 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:38:03,860 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:38:03,860 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:38:03,861 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:38:03,861 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:38:03,861 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:38:03,862 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:38:03,862 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:38:03,862 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:38:03,863 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:38:03,863 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:38:03,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:38:03,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:38:03,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:38:03,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:38:03,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:38:03,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:38:03,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:38:03,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:38:03,866 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:38:03,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:38:03,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:38:03,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:38:03,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:38:03,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:38:03,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:38:03,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:38:03,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:38:03,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:38:03,869 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:38:03,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:38:03,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:38:03,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:38:03,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:38:03,871 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2021-11-23 02:38:04,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:38:04,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:38:04,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:38:04,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:38:04,243 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:38:04,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-11-23 02:38:04,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data/cae21549c/e6cb0150d3524d41a2ecfa9aadd6c3af/FLAGe74aea6d2 [2021-11-23 02:38:04,983 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:38:04,983 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-11-23 02:38:05,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data/cae21549c/e6cb0150d3524d41a2ecfa9aadd6c3af/FLAGe74aea6d2 [2021-11-23 02:38:05,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data/cae21549c/e6cb0150d3524d41a2ecfa9aadd6c3af [2021-11-23 02:38:05,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:38:05,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:38:05,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:38:05,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:38:05,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:38:05,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:05" (1/1) ... [2021-11-23 02:38:05,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661763c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:05, skipping insertion in model container [2021-11-23 02:38:05,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:05" (1/1) ... [2021-11-23 02:38:05,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:38:05,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:38:06,138 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1434) 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:1107) 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:2392) 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:2392) 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:674) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1441) 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:1385) 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:1069) 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:1456) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 02:38:06,146 INFO L158 Benchmark]: Toolchain (without parser) took 901.36ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.4MB in the beginning and 73.8MB in the end (delta: -29.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:38:06,148 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 81.8MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:38:06,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.35ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.3MB in the beginning and 73.8MB in the end (delta: -29.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:38:06,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 81.8MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.35ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.3MB in the beginning and 73.8MB in the end (delta: -29.5MB). Peak memory consumption was 4.2MB. 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:846) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:38:08,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:38:08,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:38:08,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:38:08,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:38:08,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:38:08,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:38:08,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:38:08,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:38:08,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:38:08,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:38:08,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:38:08,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:38:08,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:38:08,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:38:08,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:38:08,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:38:08,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:38:08,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:38:08,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:38:08,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:38:08,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:38:08,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:38:08,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:38:08,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:38:08,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:38:08,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:38:08,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:38:08,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:38:08,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:38:08,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:38:08,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:38:08,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:38:08,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:38:09,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:38:09,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:38:09,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:38:09,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:38:09,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:38:09,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:38:09,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:38:09,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:38:09,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:38:09,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:38:09,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:38:09,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:38:09,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:38:09,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:38:09,076 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:38:09,076 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:38:09,077 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:38:09,078 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:38:09,079 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:38:09,079 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:38:09,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:38:09,081 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:38:09,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:38:09,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:38:09,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:38:09,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:38:09,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:38:09,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:38:09,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:38:09,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:38:09,084 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:38:09,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:38:09,084 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:38:09,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:38:09,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:38:09,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:38:09,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:38:09,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:38:09,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:38:09,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:38:09,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:38:09,087 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:38:09,087 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:38:09,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:38:09,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:38:09,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:38:09,088 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_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2021-11-23 02:38:09,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:38:09,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:38:09,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:38:09,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:38:09,593 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:38:09,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-11-23 02:38:09,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data/e267ba0b1/4047ef8e9f1f42a7b8a65db59f3367ca/FLAG7a11e69e3 [2021-11-23 02:38:10,401 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:38:10,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-11-23 02:38:10,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data/e267ba0b1/4047ef8e9f1f42a7b8a65db59f3367ca/FLAG7a11e69e3 [2021-11-23 02:38:10,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/data/e267ba0b1/4047ef8e9f1f42a7b8a65db59f3367ca [2021-11-23 02:38:10,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:38:10,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:38:10,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:38:10,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:38:10,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:38:10,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:10" (1/1) ... [2021-11-23 02:38:10,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592c3c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:10, skipping insertion in model container [2021-11-23 02:38:10,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:10" (1/1) ... [2021-11-23 02:38:10,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:38:10,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:38:11,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2021-11-23 02:38:11,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2021-11-23 02:38:11,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2021-11-23 02:38:11,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2021-11-23 02:38:11,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2021-11-23 02:38:11,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2021-11-23 02:38:11,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2021-11-23 02:38:11,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2021-11-23 02:38:11,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2021-11-23 02:38:11,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2021-11-23 02:38:11,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2021-11-23 02:38:11,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2021-11-23 02:38:11,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2021-11-23 02:38:11,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2021-11-23 02:38:11,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2021-11-23 02:38:11,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2021-11-23 02:38:11,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2021-11-23 02:38:11,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2021-11-23 02:38:11,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2021-11-23 02:38:11,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2021-11-23 02:38:11,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2021-11-23 02:38:11,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2021-11-23 02:38:11,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2021-11-23 02:38:11,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2021-11-23 02:38:11,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2021-11-23 02:38:11,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2021-11-23 02:38:11,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2021-11-23 02:38:11,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2021-11-23 02:38:11,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2021-11-23 02:38:11,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2021-11-23 02:38:11,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2021-11-23 02:38:11,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2021-11-23 02:38:11,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2021-11-23 02:38:11,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2021-11-23 02:38:11,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2021-11-23 02:38:11,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2021-11-23 02:38:11,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2021-11-23 02:38:11,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2021-11-23 02:38:11,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2021-11-23 02:38:11,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2021-11-23 02:38:11,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2021-11-23 02:38:11,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2021-11-23 02:38:11,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2021-11-23 02:38:11,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:38:11,715 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:38:11,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2021-11-23 02:38:11,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2021-11-23 02:38:11,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2021-11-23 02:38:11,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2021-11-23 02:38:11,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2021-11-23 02:38:11,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2021-11-23 02:38:11,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2021-11-23 02:38:11,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2021-11-23 02:38:11,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2021-11-23 02:38:11,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2021-11-23 02:38:11,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2021-11-23 02:38:11,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2021-11-23 02:38:11,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2021-11-23 02:38:11,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2021-11-23 02:38:11,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2021-11-23 02:38:11,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2021-11-23 02:38:11,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2021-11-23 02:38:11,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2021-11-23 02:38:11,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2021-11-23 02:38:11,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2021-11-23 02:38:11,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2021-11-23 02:38:11,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2021-11-23 02:38:11,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2021-11-23 02:38:11,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2021-11-23 02:38:11,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2021-11-23 02:38:11,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2021-11-23 02:38:11,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2021-11-23 02:38:11,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2021-11-23 02:38:11,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2021-11-23 02:38:11,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2021-11-23 02:38:11,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2021-11-23 02:38:11,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2021-11-23 02:38:11,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2021-11-23 02:38:11,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2021-11-23 02:38:11,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2021-11-23 02:38:11,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2021-11-23 02:38:11,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2021-11-23 02:38:11,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2021-11-23 02:38:11,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2021-11-23 02:38:11,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2021-11-23 02:38:11,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2021-11-23 02:38:11,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2021-11-23 02:38:11,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2021-11-23 02:38:11,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:38:12,093 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:38:12,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12 WrapperNode [2021-11-23 02:38:12,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:38:12,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:38:12,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:38:12,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:38:12,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,231 INFO L137 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2021-11-23 02:38:12,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:38:12,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:38:12,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:38:12,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:38:12,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:38:12,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:38:12,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:38:12,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:38:12,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (1/1) ... [2021-11-23 02:38:12,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:38:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:38:12,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:38:12,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:38:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 02:38:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:38:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:38:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:38:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:38:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:38:12,546 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:38:12,548 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:38:20,018 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:38:20,029 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:38:20,030 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:38:20,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:20 BoogieIcfgContainer [2021-11-23 02:38:20,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:38:20,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:38:20,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:38:20,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:38:20,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:38:10" (1/3) ... [2021-11-23 02:38:20,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f77b411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:20, skipping insertion in model container [2021-11-23 02:38:20,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:12" (2/3) ... [2021-11-23 02:38:20,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f77b411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:38:20, skipping insertion in model container [2021-11-23 02:38:20,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:20" (3/3) ... [2021-11-23 02:38:20,044 INFO L111 eAbstractionObserver]: Analyzing ICFG float4.i [2021-11-23 02:38:20,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:38:20,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2021-11-23 02:38:20,117 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:38:20,126 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:38:20,126 INFO L340 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-11-23 02:38:20,176 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) [2021-11-23 02:38:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:38:20,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:38:20,190 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:38:20,191 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-11-23 02:38:20,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:38:20,212 INFO L85 PathProgramCache]: Analyzing trace with hash -710974657, now seen corresponding path program 1 times [2021-11-23 02:38:20,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:38:20,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678228040] [2021-11-23 02:38:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:20,244 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:38:20,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:38:20,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:38:20,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:38:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:38:20,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 02:38:20,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:38:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:38:20,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:38:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:38:20,537 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:38:20,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678228040] [2021-11-23 02:38:20,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678228040] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:38:20,538 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:38:20,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 02:38:20,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397312937] [2021-11-23 02:38:20,542 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:38:20,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:38:20,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:38:20,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:38:20,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:38:20,603 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) [2021-11-23 02:38:20,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:38:20,665 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2021-11-23 02:38:20,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:38:20,668 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 [2021-11-23 02:38:20,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:38:20,679 INFO L225 Difference]: With dead ends: 219 [2021-11-23 02:38:20,680 INFO L226 Difference]: Without dead ends: 61 [2021-11-23 02:38:20,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:38:20,693 INFO L933 BasicCegarLoop]: 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 [2021-11-23 02:38:20,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:38:20,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-23 02:38:20,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-11-23 02:38:20,754 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) [2021-11-23 02:38:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2021-11-23 02:38:20,765 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 15 [2021-11-23 02:38:20,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:38:20,766 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2021-11-23 02:38:20,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-23 02:38:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2021-11-23 02:38:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 02:38:20,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:38:20,784 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:38:20,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:38:20,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:38:20,999 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-11-23 02:38:21,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:38:21,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1467798991, now seen corresponding path program 1 times [2021-11-23 02:38:21,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:38:21,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21891989] [2021-11-23 02:38:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:21,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:38:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:38:21,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:38:21,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 02:38:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:38:22,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 02:38:22,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:38:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:38:22,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:38:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:38:23,549 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:38:23,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21891989] [2021-11-23 02:38:23,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21891989] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-23 02:38:23,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:38:23,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 12 [2021-11-23 02:38:23,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850566657] [2021-11-23 02:38:23,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:38:23,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:38:23,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:38:23,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:38:23,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-23 02:38:23,554 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) [2021-11-23 02:38:26,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:38:28,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:38:30,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:38:32,658 WARN L534 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 [] [2021-11-23 02:38:32,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:38:32,659 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2021-11-23 02:38:32,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:38:32,681 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 [2021-11-23 02:38:32,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:38:32,682 INFO L225 Difference]: With dead ends: 61 [2021-11-23 02:38:32,682 INFO L226 Difference]: Without dead ends: 43 [2021-11-23 02:38:32,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:38:32,685 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 81 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:38:32,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 26 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 110 Invalid, 4 Unknown, 0 Unchecked, 9.0s Time] [2021-11-23 02:38:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-23 02:38:32,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-23 02:38:32,692 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) [2021-11-23 02:38:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2021-11-23 02:38:32,693 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 16 [2021-11-23 02:38:32,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:38:32,695 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2021-11-23 02:38:32,695 INFO L471 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) [2021-11-23 02:38:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2021-11-23 02:38:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 02:38:32,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:38:32,697 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:38:32,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:38:32,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:38:32,908 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-11-23 02:38:32,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:38:32,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1274908175, now seen corresponding path program 1 times [2021-11-23 02:38:32,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:38:32,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970707284] [2021-11-23 02:38:32,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:32,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:38:32,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:38:32,913 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:38:32,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 02:38:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:38:35,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 02:38:35,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:38:44,358 WARN L838 $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 [2021-11-23 02:38:46,365 WARN L860 $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 [2021-11-23 02:38:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:38:46,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:39:00,955 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| .cse0) .cse0))) (fp.eq (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) |c_ULTIMATE.start_main_~f~0#1|)) is different from true [2021-11-23 02:40:05,870 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| .cse0) .cse0))) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) is different from false [2021-11-23 02:40:07,880 WARN L860 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| .cse0) .cse0))) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) is different from true [2021-11-23 02:40:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:40:35,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:40:35,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970707284] [2021-11-23 02:40:35,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970707284] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:40:35,924 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:40:35,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 9 [2021-11-23 02:40:35,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438943037] [2021-11-23 02:40:35,925 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:40:35,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 02:40:35,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:40:35,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 02:40:35,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2021-11-23 02:40:35,927 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:40:36,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:40:38,959 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| .cse0) .cse0))) (fp.eq (fp.mul c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-23 02:40:51,837 WARN L227 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 17 DAG size of output: 9 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:41:04,993 WARN L227 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 15 DAG size of output: 13 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:41:10,082 WARN L534 Checker$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 [] [2021-11-23 02:41:10,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:41:10,083 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2021-11-23 02:41:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:41:10,109 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2021-11-23 02:41:10,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:41:10,110 INFO L225 Difference]: With dead ends: 43 [2021-11-23 02:41:10,110 INFO L226 Difference]: Without dead ends: 37 [2021-11-23 02:41:10,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.0s TimeCoverageRelationStatistics Valid=32, Invalid=30, Unknown=10, NotChecked=60, Total=132 [2021-11-23 02:41:10,112 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 60 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:41:10,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 13 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 1 Unknown, 77 Unchecked, 12.0s Time] [2021-11-23 02:41:10,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-23 02:41:10,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-11-23 02:41:10,119 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) [2021-11-23 02:41:10,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2021-11-23 02:41:10,120 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 32 [2021-11-23 02:41:10,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:41:10,120 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2021-11-23 02:41:10,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:41:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2021-11-23 02:41:10,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 02:41:10,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:41:10,123 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:41:10,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-23 02:41:10,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:41:10,350 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-11-23 02:41:10,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:41:10,351 INFO L85 PathProgramCache]: Analyzing trace with hash 695659055, now seen corresponding path program 1 times [2021-11-23 02:41:10,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:41:10,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064786303] [2021-11-23 02:41:10,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:41:10,354 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:41:10,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:41:10,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:41:10,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 02:41:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:14,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 02:41:14,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:41:25,839 WARN L838 $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 [2021-11-23 02:41:27,858 WARN L860 $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 [2021-11-23 02:41:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:41:27,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:41:33,126 WARN L838 $PredicateComparison]: unable to prove that (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |c_ULTIMATE.start_main_~f~0#1|) is different from false [2021-11-23 02:42:13,045 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 |c_ULTIMATE.start_main_~f~0#1|) .cse0))) (fp.eq (fp.div c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |c_ULTIMATE.start_main_~f~0#1|)) is different from true [2021-11-23 02:43:44,665 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) is different from false [2021-11-23 02:43:46,689 WARN L860 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) is different from true [2021-11-23 02:44:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:44:16,852 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:44:16,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064786303] [2021-11-23 02:44:16,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064786303] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:16,853 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:16,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 9 [2021-11-23 02:44:16,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337655506] [2021-11-23 02:44:16,853 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:16,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 02:44:16,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:44:16,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 02:44:16,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=12, Unknown=6, NotChecked=36, Total=72 [2021-11-23 02:44:16,856 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:44:18,891 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div c_currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) c_currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-23 02:44:45,295 WARN L227 SmtUtils]: Spent 19.00s on a formula simplification. DAG size of input: 17 DAG size of output: 9 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:44:47,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:49,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:51,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:55,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:57,379 WARN L534 Checker$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 [] [2021-11-23 02:44:59,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:01,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:03,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:05,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:06,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:19,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:21,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:23,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:26,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:28,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:29,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:30,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:32,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:35,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:45:35,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:45:35,376 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2021-11-23 02:45:35,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:45:35,402 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2021-11-23 02:45:35,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:45:35,403 INFO L225 Difference]: With dead ends: 37 [2021-11-23 02:45:35,403 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:45:35,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 54.9s TimeCoverageRelationStatistics Valid=30, Invalid=21, Unknown=11, NotChecked=70, Total=132 [2021-11-23 02:45:35,405 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 14 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:45:35,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 10 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 13 Unknown, 53 Unchecked, 39.2s Time] [2021-11-23 02:45:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:45:35,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:45:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:45:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:45:35,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-11-23 02:45:35,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:45:35,408 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:45:35,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:45:35,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:45:35,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:45:35,412 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 43 remaining) [2021-11-23 02:45:35,413 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (41 of 43 remaining) [2021-11-23 02:45:35,413 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (40 of 43 remaining) [2021-11-23 02:45:35,414 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (39 of 43 remaining) [2021-11-23 02:45:35,414 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (38 of 43 remaining) [2021-11-23 02:45:35,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (37 of 43 remaining) [2021-11-23 02:45:35,417 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (36 of 43 remaining) [2021-11-23 02:45:35,417 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (35 of 43 remaining) [2021-11-23 02:45:35,417 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (34 of 43 remaining) [2021-11-23 02:45:35,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (33 of 43 remaining) [2021-11-23 02:45:35,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (32 of 43 remaining) [2021-11-23 02:45:35,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (31 of 43 remaining) [2021-11-23 02:45:35,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (30 of 43 remaining) [2021-11-23 02:45:35,419 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (29 of 43 remaining) [2021-11-23 02:45:35,419 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (28 of 43 remaining) [2021-11-23 02:45:35,419 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (27 of 43 remaining) [2021-11-23 02:45:35,419 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (26 of 43 remaining) [2021-11-23 02:45:35,420 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (25 of 43 remaining) [2021-11-23 02:45:35,420 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (24 of 43 remaining) [2021-11-23 02:45:35,420 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (23 of 43 remaining) [2021-11-23 02:45:35,421 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (22 of 43 remaining) [2021-11-23 02:45:35,421 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (21 of 43 remaining) [2021-11-23 02:45:35,421 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (20 of 43 remaining) [2021-11-23 02:45:35,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (19 of 43 remaining) [2021-11-23 02:45:35,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (18 of 43 remaining) [2021-11-23 02:45:35,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (17 of 43 remaining) [2021-11-23 02:45:35,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (16 of 43 remaining) [2021-11-23 02:45:35,423 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (15 of 43 remaining) [2021-11-23 02:45:35,423 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (14 of 43 remaining) [2021-11-23 02:45:35,423 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (13 of 43 remaining) [2021-11-23 02:45:35,423 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (12 of 43 remaining) [2021-11-23 02:45:35,424 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (11 of 43 remaining) [2021-11-23 02:45:35,424 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (10 of 43 remaining) [2021-11-23 02:45:35,424 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (9 of 43 remaining) [2021-11-23 02:45:35,425 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (8 of 43 remaining) [2021-11-23 02:45:35,425 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (7 of 43 remaining) [2021-11-23 02:45:35,425 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (6 of 43 remaining) [2021-11-23 02:45:35,425 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (5 of 43 remaining) [2021-11-23 02:45:35,426 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (4 of 43 remaining) [2021-11-23 02:45:35,426 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (3 of 43 remaining) [2021-11-23 02:45:35,426 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (2 of 43 remaining) [2021-11-23 02:45:35,426 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (1 of 43 remaining) [2021-11-23 02:45:35,427 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (0 of 43 remaining) [2021-11-23 02:45:35,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:45:35,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:45:35,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:45:55,828 WARN L227 SmtUtils]: Spent 20.19s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-23 02:46:11,588 WARN L227 SmtUtils]: Spent 15.76s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-23 02:46:11,590 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2021-11-23 02:46:11,590 INFO L858 garLoopResultBuilder]: For program point L1026-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,590 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2021-11-23 02:46:11,590 INFO L858 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point L977-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point L1027(line 1027) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point L1027-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point L978-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,591 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2021-11-23 02:46:11,592 INFO L858 garLoopResultBuilder]: For program point L1028(line 1028) no Hoare annotation was computed. [2021-11-23 02:46:11,592 INFO L858 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2021-11-23 02:46:11,592 INFO L858 garLoopResultBuilder]: For program point L1028-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,592 INFO L858 garLoopResultBuilder]: For program point L995-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,592 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2021-11-23 02:46:11,592 INFO L858 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2021-11-23 02:46:11,592 INFO L858 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2021-11-23 02:46:11,592 INFO L858 garLoopResultBuilder]: For program point L1012-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,593 INFO L858 garLoopResultBuilder]: For program point L979-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,593 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 1026) no Hoare annotation was computed. [2021-11-23 02:46:11,593 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2021-11-23 02:46:11,593 INFO L858 garLoopResultBuilder]: For program point L1029(line 1029) no Hoare annotation was computed. [2021-11-23 02:46:11,593 INFO L858 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2021-11-23 02:46:11,593 INFO L858 garLoopResultBuilder]: For program point L1029-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,593 INFO L858 garLoopResultBuilder]: For program point L996-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,594 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2021-11-23 02:46:11,594 INFO L858 garLoopResultBuilder]: For program point L1013(line 1013) no Hoare annotation was computed. [2021-11-23 02:46:11,594 INFO L858 garLoopResultBuilder]: For program point L980(line 980) no Hoare annotation was computed. [2021-11-23 02:46:11,594 INFO L858 garLoopResultBuilder]: For program point L1013-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,594 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,594 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2021-11-23 02:46:11,595 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-11-23 02:46:11,595 INFO L858 garLoopResultBuilder]: For program point L1030(line 1030) no Hoare annotation was computed. [2021-11-23 02:46:11,595 INFO L858 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2021-11-23 02:46:11,595 INFO L858 garLoopResultBuilder]: For program point L997-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,595 INFO L858 garLoopResultBuilder]: For program point L1014(line 1014) no Hoare annotation was computed. [2021-11-23 02:46:11,595 INFO L858 garLoopResultBuilder]: For program point L1014-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,595 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2021-11-23 02:46:11,595 INFO L858 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2021-11-23 02:46:11,596 INFO L858 garLoopResultBuilder]: For program point L998-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,596 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-11-23 02:46:11,596 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-11-23 02:46:11,596 INFO L858 garLoopResultBuilder]: For program point L1015(line 1015) no Hoare annotation was computed. [2021-11-23 02:46:11,596 INFO L858 garLoopResultBuilder]: For program point L1015-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,596 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2021-11-23 02:46:11,596 INFO L858 garLoopResultBuilder]: For program point L999(line 999) no Hoare annotation was computed. [2021-11-23 02:46:11,597 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1023) no Hoare annotation was computed. [2021-11-23 02:46:11,598 INFO L858 garLoopResultBuilder]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,598 INFO L858 garLoopResultBuilder]: For program point L999-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,598 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:46:11,598 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2021-11-23 02:46:11,598 INFO L858 garLoopResultBuilder]: For program point L1016(line 1016) no Hoare annotation was computed. [2021-11-23 02:46:11,598 INFO L858 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2021-11-23 02:46:11,598 INFO L858 garLoopResultBuilder]: For program point L1016-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,599 INFO L858 garLoopResultBuilder]: For program point L983-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,599 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2021-11-23 02:46:11,599 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1022) no Hoare annotation was computed. [2021-11-23 02:46:11,599 INFO L858 garLoopResultBuilder]: For program point L1000(line 1000) no Hoare annotation was computed. [2021-11-23 02:46:11,601 INFO L858 garLoopResultBuilder]: For program point L1000-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,601 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2021-11-23 02:46:11,601 INFO L858 garLoopResultBuilder]: For program point L1017(line 1017) no Hoare annotation was computed. [2021-11-23 02:46:11,601 INFO L858 garLoopResultBuilder]: For program point L984(line 984) no Hoare annotation was computed. [2021-11-23 02:46:11,601 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-11-23 02:46:11,604 INFO L858 garLoopResultBuilder]: For program point L1017-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,604 INFO L858 garLoopResultBuilder]: For program point L984-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,604 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2021-11-23 02:46:11,604 INFO L858 garLoopResultBuilder]: For program point L1001(line 1001) no Hoare annotation was computed. [2021-11-23 02:46:11,605 INFO L858 garLoopResultBuilder]: For program point L1001-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,605 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2021-11-23 02:46:11,605 INFO L858 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2021-11-23 02:46:11,605 INFO L858 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2021-11-23 02:46:11,606 INFO L858 garLoopResultBuilder]: For program point L1018-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,606 INFO L858 garLoopResultBuilder]: For program point L985-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1024) no Hoare annotation was computed. [2021-11-23 02:46:11,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-11-23 02:46:11,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 980) no Hoare annotation was computed. [2021-11-23 02:46:11,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point L1019-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point L986-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1017) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point L987(line 987) no Hoare annotation was computed. [2021-11-23 02:46:11,608 INFO L858 garLoopResultBuilder]: For program point L987-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,609 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2021-11-23 02:46:11,609 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-11-23 02:46:11,609 INFO L858 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2021-11-23 02:46:11,609 INFO L854 garLoopResultBuilder]: At program point L971(line 971) the Hoare annotation is: (and (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul currentRoundingMode |ULTIMATE.start_main_~f~0#1| .cse0) .cse0))) (fp.eq (fp.mul currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 02:46:11,609 INFO L854 garLoopResultBuilder]: At program point L971-1(line 971) the Hoare annotation is: (and (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul currentRoundingMode |ULTIMATE.start_main_~f~0#1| .cse0) .cse0))) (fp.eq (fp.mul currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) currentRoundingMode (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|))) (not (fp.isNaN |ULTIMATE.start_main_~f2~0#1|)) (forall ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (or (not (fp.eq (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)) |ULTIMATE.start_main_~f~0#1|) |ULTIMATE.start_main_~f~0#1|)) (fp.eq (fp.div currentRoundingMode |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) currentRoundingMode 1.0)) |ULTIMATE.start_main_~f~0#1|))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 02:46:11,609 INFO L858 garLoopResultBuilder]: For program point L1004-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point L972(line 972) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point L1005-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point L1022(line 1022) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point L1022-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2021-11-23 02:46:11,610 INFO L858 garLoopResultBuilder]: For program point L1006(line 1006) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point L1006-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1018) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point L1023(line 1023) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point L1023-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point L1007(line 1007) no Hoare annotation was computed. [2021-11-23 02:46:11,611 INFO L858 garLoopResultBuilder]: For program point L1007-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point L1024(line 1024) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point L991(line 991) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point L1024-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point L991-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point L1008-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 1030) no Hoare annotation was computed. [2021-11-23 02:46:11,612 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L1025(line 1025) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L1025-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L992-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L1009(line 1009) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L976-1(line 976) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L1009-2(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point L976-3(lines 967 1031) no Hoare annotation was computed. [2021-11-23 02:46:11,613 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1025) no Hoare annotation was computed. [2021-11-23 02:46:11,614 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-11-23 02:46:11,614 INFO L858 garLoopResultBuilder]: For program point L1026(line 1026) no Hoare annotation was computed. [2021-11-23 02:46:11,614 INFO L858 garLoopResultBuilder]: For program point L3-2(lines 2 4) no Hoare annotation was computed. [2021-11-23 02:46:11,614 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2 4) the Hoare annotation is: true [2021-11-23 02:46:11,614 INFO L858 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2021-11-23 02:46:11,614 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2 4) no Hoare annotation was computed. [2021-11-23 02:46:11,617 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 02:46:11,618 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:46:11,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:46:11 BoogieIcfgContainer [2021-11-23 02:46:11,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:46:11,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:46:11,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:46:11,626 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:46:11,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:38:20" (3/4) ... [2021-11-23 02:46:11,630 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:46:11,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 02:46:11,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 02:46:11,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 02:46:11,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:46:11,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:46:11,719 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:46:11,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:46:11,720 INFO L158 Benchmark]: Toolchain (without parser) took 481113.70ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 46.8MB in the beginning and 73.0MB in the end (delta: -26.2MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-11-23 02:46:11,721 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:46:11,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1485.50ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 46.7MB in the beginning and 75.7MB in the end (delta: -29.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-11-23 02:46:11,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.28ms. Allocated memory is still 98.6MB. Free memory was 75.2MB in the beginning and 72.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:46:11,724 INFO L158 Benchmark]: Boogie Preprocessor took 77.03ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:46:11,724 INFO L158 Benchmark]: RCFGBuilder took 7720.46ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 56.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 02:46:11,726 INFO L158 Benchmark]: TraceAbstraction took 471589.42ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 32.3MB in the end (delta: 23.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-23 02:46:11,726 INFO L158 Benchmark]: Witness Printer took 93.56ms. Allocated memory is still 98.6MB. Free memory was 32.3MB in the beginning and 73.0MB in the end (delta: -40.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:46:11,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1485.50ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 46.7MB in the beginning and 75.7MB in the end (delta: -29.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.28ms. Allocated memory is still 98.6MB. Free memory was 75.2MB in the beginning and 72.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.03ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7720.46ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 56.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 471589.42ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 32.3MB in the end (delta: 23.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Witness Printer took 93.56ms. Allocated memory is still 98.6MB. Free memory was 32.3MB in the beginning and 73.0MB in the end (delta: -40.7MB). 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: 471.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 122.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 36.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 60.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 59.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 130 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 100 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 94.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 92 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 36.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 7.4s SatisfiabilityAnalysisTime, 304.8s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 198 ConstructedInterpolants, 17 QuantifiedInterpolants, 1726 SizeOfPredicates, 12 NumberOfNonLiveVariables, 167 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 29/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-23 02:46:11,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e9863bd-1cc5-473e-ba64-092f050f2a18/bin/utaipan-EQgc7hIp5V/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