./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:37:49,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:37:49,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:37:49,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:37:49,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:37:49,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:37:49,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:37:49,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:37:49,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:37:49,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:37:49,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:37:49,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:37:49,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:37:49,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:37:49,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:37:49,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:37:49,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:37:49,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:37:49,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:37:49,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:37:49,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:37:49,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:37:49,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:37:49,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:37:49,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:37:49,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:37:49,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:37:49,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:37:49,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:37:49,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:37:49,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:37:49,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:37:49,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:37:49,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:37:49,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:37:49,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:37:49,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:37:49,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:37:49,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:37:49,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:37:49,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:37:49,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:37:49,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:37:49,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:37:49,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:37:49,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:37:49,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:37:49,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:37:49,611 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:37:49,611 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:37:49,611 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:37:49,611 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:37:49,611 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:37:49,612 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:37:49,612 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:37:49,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:37:49,612 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:37:49,612 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:37:49,613 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:37:49,613 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:37:49,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:37:49,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:37:49,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:37:49,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:37:49,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:37:49,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:37:49,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:37:49,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:37:49,615 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:37:49,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:37:49,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:37:49,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:37:49,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:37:49,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:37:49,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:37:49,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:37:49,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:37:49,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:37:49,617 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:37:49,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:37:49,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:37:49,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:37:49,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:37:49,622 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2021-11-25 18:37:49,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:37:49,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:37:49,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:37:49,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:37:49,908 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:37:49,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-11-25 18:37:49,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data/4afe7ea4c/eb7592ea07764f268c709fd68d93608c/FLAG65768a2ba [2021-11-25 18:37:50,632 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:37:50,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-11-25 18:37:50,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data/4afe7ea4c/eb7592ea07764f268c709fd68d93608c/FLAG65768a2ba [2021-11-25 18:37:50,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data/4afe7ea4c/eb7592ea07764f268c709fd68d93608c [2021-11-25 18:37:50,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:37:50,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:37:50,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:37:50,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:37:50,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:37:50,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:37:50" (1/1) ... [2021-11-25 18:37:50,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e778dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:50, skipping insertion in model container [2021-11-25 18:37:50,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:37:50" (1/1) ... [2021-11-25 18:37:50,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:37:50,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:37:51,587 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) [2021-11-25 18:37:51,594 INFO L158 Benchmark]: Toolchain (without parser) took 738.42ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 81.3MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 18:37:51,595 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 84.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:37:51,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.52ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 81.9MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 18:37:51,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 84.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.52ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 81.9MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:37:54,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:37:54,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:37:54,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:37:54,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:37:54,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:37:54,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:37:54,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:37:54,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:37:54,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:37:54,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:37:54,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:37:54,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:37:54,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:37:54,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:37:54,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:37:54,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:37:54,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:37:54,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:37:54,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:37:54,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:37:54,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:37:54,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:37:54,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:37:54,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:37:54,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:37:54,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:37:54,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:37:54,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:37:54,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:37:54,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:37:54,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:37:54,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:37:54,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:37:54,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:37:54,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:37:54,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:37:54,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:37:54,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:37:54,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:37:54,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:37:54,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 18:37:54,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:37:54,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:37:54,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:37:54,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:37:54,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:37:54,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:37:54,249 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:37:54,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:37:54,251 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:37:54,251 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:37:54,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:37:54,252 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:37:54,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:37:54,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:37:54,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:37:54,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:37:54,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:37:54,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:37:54,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:37:54,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:37:54,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:37:54,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:37:54,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:37:54,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:37:54,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:37:54,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:37:54,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:37:54,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:37:54,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:37:54,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:37:54,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:37:54,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:37:54,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:37:54,260 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:37:54,260 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:37:54,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:37:54,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:37:54,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:37:54,261 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2021-11-25 18:37:54,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:37:54,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:37:54,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:37:54,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:37:54,714 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:37:54,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-11-25 18:37:54,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data/239c7a59c/4782983d42e0410ba95c21ca0db0e940/FLAG9b46041e6 [2021-11-25 18:37:55,517 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:37:55,518 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i [2021-11-25 18:37:55,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data/239c7a59c/4782983d42e0410ba95c21ca0db0e940/FLAG9b46041e6 [2021-11-25 18:37:55,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/data/239c7a59c/4782983d42e0410ba95c21ca0db0e940 [2021-11-25 18:37:55,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:37:55,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:37:55,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:37:55,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:37:55,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:37:55,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:37:55" (1/1) ... [2021-11-25 18:37:55,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4be47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:55, skipping insertion in model container [2021-11-25 18:37:55,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:37:55" (1/1) ... [2021-11-25 18:37:55,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:37:55,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:37:56,540 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2021-11-25 18:37:56,546 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2021-11-25 18:37:56,547 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2021-11-25 18:37:56,548 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2021-11-25 18:37:56,550 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2021-11-25 18:37:56,551 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2021-11-25 18:37:56,553 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2021-11-25 18:37:56,554 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2021-11-25 18:37:56,556 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2021-11-25 18:37:56,558 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2021-11-25 18:37:56,560 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2021-11-25 18:37:56,561 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2021-11-25 18:37:56,563 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2021-11-25 18:37:56,564 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2021-11-25 18:37:56,565 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2021-11-25 18:37:56,566 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2021-11-25 18:37:56,568 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2021-11-25 18:37:56,569 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2021-11-25 18:37:56,571 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2021-11-25 18:37:56,573 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2021-11-25 18:37:56,574 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2021-11-25 18:37:56,575 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2021-11-25 18:37:56,577 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2021-11-25 18:37:56,580 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2021-11-25 18:37:56,581 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2021-11-25 18:37:56,583 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2021-11-25 18:37:56,584 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2021-11-25 18:37:56,586 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2021-11-25 18:37:56,587 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2021-11-25 18:37:56,588 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2021-11-25 18:37:56,589 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2021-11-25 18:37:56,590 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2021-11-25 18:37:56,591 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2021-11-25 18:37:56,592 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2021-11-25 18:37:56,595 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2021-11-25 18:37:56,597 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2021-11-25 18:37:56,604 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2021-11-25 18:37:56,605 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2021-11-25 18:37:56,605 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2021-11-25 18:37:56,606 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2021-11-25 18:37:56,607 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2021-11-25 18:37:56,607 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2021-11-25 18:37:56,608 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2021-11-25 18:37:56,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:37:56,633 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:37:56,673 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2021-11-25 18:37:56,674 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2021-11-25 18:37:56,675 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2021-11-25 18:37:56,678 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2021-11-25 18:37:56,679 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2021-11-25 18:37:56,680 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2021-11-25 18:37:56,680 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2021-11-25 18:37:56,681 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2021-11-25 18:37:56,682 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2021-11-25 18:37:56,683 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2021-11-25 18:37:56,684 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2021-11-25 18:37:56,687 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2021-11-25 18:37:56,688 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2021-11-25 18:37:56,689 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2021-11-25 18:37:56,690 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2021-11-25 18:37:56,691 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2021-11-25 18:37:56,691 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2021-11-25 18:37:56,692 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2021-11-25 18:37:56,693 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2021-11-25 18:37:56,694 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2021-11-25 18:37:56,694 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2021-11-25 18:37:56,695 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2021-11-25 18:37:56,696 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2021-11-25 18:37:56,697 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2021-11-25 18:37:56,699 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2021-11-25 18:37:56,701 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2021-11-25 18:37:56,703 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2021-11-25 18:37:56,704 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2021-11-25 18:37:56,705 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2021-11-25 18:37:56,706 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2021-11-25 18:37:56,708 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2021-11-25 18:37:56,709 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2021-11-25 18:37:56,712 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2021-11-25 18:37:56,712 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2021-11-25 18:37:56,714 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2021-11-25 18:37:56,723 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2021-11-25 18:37:56,724 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2021-11-25 18:37:56,725 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2021-11-25 18:37:56,726 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2021-11-25 18:37:56,727 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2021-11-25 18:37:56,728 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2021-11-25 18:37:56,729 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2021-11-25 18:37:56,730 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_0166cc20-2d52-412c-b4ab-3ad588ad8260/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2021-11-25 18:37:56,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:37:56,943 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:37:56,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56 WrapperNode [2021-11-25 18:37:56,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:37:56,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:37:56,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:37:56,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:37:56,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,043 INFO L137 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2021-11-25 18:37:57,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:37:57,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:37:57,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:37:57,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:37:57,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:37:57,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:37:57,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:37:57,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:37:57,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (1/1) ... [2021-11-25 18:37:57,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:37:57,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:37:57,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:37:57,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:37:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 18:37:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:37:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:37:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:37:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:37:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:37:57,276 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:37:57,278 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:38:03,819 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:38:03,829 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:38:03,829 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:38:03,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:38:03 BoogieIcfgContainer [2021-11-25 18:38:03,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:38:03,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:38:03,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:38:03,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:38:03,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:37:55" (1/3) ... [2021-11-25 18:38:03,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507ed0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:38:03, skipping insertion in model container [2021-11-25 18:38:03,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:56" (2/3) ... [2021-11-25 18:38:03,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507ed0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:38:03, skipping insertion in model container [2021-11-25 18:38:03,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:38:03" (3/3) ... [2021-11-25 18:38:03,842 INFO L111 eAbstractionObserver]: Analyzing ICFG float4.i [2021-11-25 18:38:03,848 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:38:03,849 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2021-11-25 18:38:03,901 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:38:03,908 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 [2021-11-25 18:38:03,908 INFO L340 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-11-25 18:38:03,934 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) [2021-11-25 18:38:03,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 18:38:03,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:38:03,941 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:38:03,942 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)] === [2021-11-25 18:38:03,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:38:03,949 INFO L85 PathProgramCache]: Analyzing trace with hash -710974657, now seen corresponding path program 1 times [2021-11-25 18:38:03,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:38:03,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277435375] [2021-11-25 18:38:03,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:38:03,965 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:38:03,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:38:03,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:38:03,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 18:38:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:38:04,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 18:38:04,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:38:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:38:04,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:38:04,110 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:38:04,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277435375] [2021-11-25 18:38:04,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277435375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:38:04,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:38:04,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:38:04,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345735815] [2021-11-25 18:38:04,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:38:04,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:38:04,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:38:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:38:04,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:38:04,155 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) [2021-11-25 18:38:04,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:38:04,187 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2021-11-25 18:38:04,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:38:04,189 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 [2021-11-25 18:38:04,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:38:04,198 INFO L225 Difference]: With dead ends: 219 [2021-11-25 18:38:04,198 INFO L226 Difference]: Without dead ends: 61 [2021-11-25 18:38:04,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:38:04,207 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 [2021-11-25 18:38:04,209 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] [2021-11-25 18:38:04,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-25 18:38:04,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-11-25 18:38:04,250 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) [2021-11-25 18:38:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2021-11-25 18:38:04,254 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 15 [2021-11-25 18:38:04,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:38:04,255 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2021-11-25 18:38:04,255 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) [2021-11-25 18:38:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2021-11-25 18:38:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 18:38:04,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:38:04,257 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:38:04,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:38:04,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:38:04,471 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)] === [2021-11-25 18:38:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:38:04,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1467798991, now seen corresponding path program 1 times [2021-11-25 18:38:04,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:38:04,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087123566] [2021-11-25 18:38:04,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:38:04,473 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:38:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:38:04,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:38:04,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 18:38:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:38:05,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 18:38:05,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:38:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:38:05,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:38:05,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:38:05,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087123566] [2021-11-25 18:38:05,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087123566] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:38:05,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:38:05,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 18:38:05,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857145790] [2021-11-25 18:38:05,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:38:05,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:38:05,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:38:05,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:38:05,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:38:05,910 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) [2021-11-25 18:38:08,373 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 [] [2021-11-25 18:38:10,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:13,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:15,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:15,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:38:15,952 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2021-11-25 18:38:15,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:38:15,974 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 [2021-11-25 18:38:15,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:38:15,975 INFO L225 Difference]: With dead ends: 61 [2021-11-25 18:38:15,975 INFO L226 Difference]: Without dead ends: 43 [2021-11-25 18:38:15,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:38:15,978 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 53 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:38:15,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 38 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 110 Invalid, 4 Unknown, 0 Unchecked, 9.9s Time] [2021-11-25 18:38:15,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-25 18:38:15,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-25 18:38:15,985 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) [2021-11-25 18:38:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2021-11-25 18:38:15,986 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 16 [2021-11-25 18:38:15,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:38:15,987 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2021-11-25 18:38:15,988 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) [2021-11-25 18:38:15,988 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2021-11-25 18:38:15,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 18:38:15,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:38:15,989 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] [2021-11-25 18:38:16,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:38:16,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:38:16,204 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)] === [2021-11-25 18:38:16,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:38:16,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1274908175, now seen corresponding path program 1 times [2021-11-25 18:38:16,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:38:16,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237862878] [2021-11-25 18:38:16,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:38:16,207 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:38:16,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:38:16,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:38:16,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 18:38:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:38:18,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 18:38:18,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:38:27,168 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 [2021-11-25 18:38:29,175 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 [2021-11-25 18:38:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:38:29,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:38:29,176 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:38:29,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237862878] [2021-11-25 18:38:29,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237862878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:38:29,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:38:29,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:38:29,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420446732] [2021-11-25 18:38:29,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:38:29,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:38:29,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:38:29,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:38:29,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2021-11-25 18:38:29,179 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:38:31,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:33,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:35,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:38,092 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 [] [2021-11-25 18:38:38,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:38:38,093 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2021-11-25 18:38:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:38:38,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-25 18:38:38,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:38:38,114 INFO L225 Difference]: With dead ends: 43 [2021-11-25 18:38:38,114 INFO L226 Difference]: Without dead ends: 41 [2021-11-25 18:38:38,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2021-11-25 18:38:38,116 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:38:38,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 25 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 4 Unknown, 38 Unchecked, 8.9s Time] [2021-11-25 18:38:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-25 18:38:38,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-11-25 18:38:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 37 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:38:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2021-11-25 18:38:38,123 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 32 [2021-11-25 18:38:38,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:38:38,123 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2021-11-25 18:38:38,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:38:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2021-11-25 18:38:38,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 18:38:38,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:38:38,125 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] [2021-11-25 18:38:38,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:38:38,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:38:38,328 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-11-25 18:38:38,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:38:38,329 INFO L85 PathProgramCache]: Analyzing trace with hash 867451975, now seen corresponding path program 1 times [2021-11-25 18:38:38,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:38:38,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337670035] [2021-11-25 18:38:38,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:38:38,329 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:38:38,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:38:38,330 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:38:38,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 18:38:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:38:38,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:38:38,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:38:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:38:40,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:38:40,819 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:38:40,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337670035] [2021-11-25 18:38:40,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337670035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:38:40,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:38:40,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:38:40,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803233287] [2021-11-25 18:38:40,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:38:40,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:38:40,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:38:40,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:38:40,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:38:40,821 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:38:41,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:45,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:47,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:50,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:52,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:54,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:57,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:59,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:39:02,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:39:04,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:39:05,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:39:08,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:39:08,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:39:08,276 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2021-11-25 18:39:08,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:39:08,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-25 18:39:08,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:39:08,301 INFO L225 Difference]: With dead ends: 41 [2021-11-25 18:39:08,301 INFO L226 Difference]: Without dead ends: 37 [2021-11-25 18:39:08,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:39:08,303 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:39:08,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 37 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 10 Unknown, 0 Unchecked, 27.4s Time] [2021-11-25 18:39:08,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-25 18:39:08,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-11-25 18:39:08,308 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) [2021-11-25 18:39:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2021-11-25 18:39:08,310 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 33 [2021-11-25 18:39:08,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:39:08,310 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2021-11-25 18:39:08,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:39:08,311 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2021-11-25 18:39:08,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 18:39:08,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:39:08,313 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] [2021-11-25 18:39:08,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:39:08,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:39:08,518 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2021-11-25 18:39:08,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:39:08,519 INFO L85 PathProgramCache]: Analyzing trace with hash 695659055, now seen corresponding path program 1 times [2021-11-25 18:39:08,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:39:08,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612154013] [2021-11-25 18:39:08,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:39:08,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:39:08,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:39:08,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:39:08,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 18:39:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:39:12,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 18:39:12,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:39:24,150 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 [2021-11-25 18:39:26,167 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 [2021-11-25 18:39:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:39:26,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:39:26,168 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:39:26,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612154013] [2021-11-25 18:39:26,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612154013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:39:26,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:39:26,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:39:26,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608996508] [2021-11-25 18:39:26,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:39:26,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:39:26,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:39:26,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:39:26,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2021-11-25 18:39:26,171 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:39:29,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:39:29,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:39:29,165 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2021-11-25 18:39:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:39:29,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2021-11-25 18:39:29,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:39:29,188 INFO L225 Difference]: With dead ends: 37 [2021-11-25 18:39:29,188 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 18:39:29,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2021-11-25 18:39:29,190 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 35 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:39:29,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 13 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 1 Unknown, 35 Unchecked, 3.0s Time] [2021-11-25 18:39:29,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 18:39:29,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 18:39:29,191 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) [2021-11-25 18:39:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 18:39:29,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-11-25 18:39:29,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:39:29,192 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 18:39:29,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:39:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 18:39:29,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 18:39:29,195 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 43 remaining) [2021-11-25 18:39:29,195 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (41 of 43 remaining) [2021-11-25 18:39:29,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (40 of 43 remaining) [2021-11-25 18:39:29,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (39 of 43 remaining) [2021-11-25 18:39:29,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (38 of 43 remaining) [2021-11-25 18:39:29,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (37 of 43 remaining) [2021-11-25 18:39:29,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (36 of 43 remaining) [2021-11-25 18:39:29,197 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (35 of 43 remaining) [2021-11-25 18:39:29,197 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (34 of 43 remaining) [2021-11-25 18:39:29,197 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (33 of 43 remaining) [2021-11-25 18:39:29,197 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (32 of 43 remaining) [2021-11-25 18:39:29,197 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (31 of 43 remaining) [2021-11-25 18:39:29,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (30 of 43 remaining) [2021-11-25 18:39:29,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (29 of 43 remaining) [2021-11-25 18:39:29,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (28 of 43 remaining) [2021-11-25 18:39:29,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (27 of 43 remaining) [2021-11-25 18:39:29,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (26 of 43 remaining) [2021-11-25 18:39:29,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (25 of 43 remaining) [2021-11-25 18:39:29,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (24 of 43 remaining) [2021-11-25 18:39:29,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (23 of 43 remaining) [2021-11-25 18:39:29,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (22 of 43 remaining) [2021-11-25 18:39:29,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (21 of 43 remaining) [2021-11-25 18:39:29,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (20 of 43 remaining) [2021-11-25 18:39:29,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (19 of 43 remaining) [2021-11-25 18:39:29,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (18 of 43 remaining) [2021-11-25 18:39:29,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (17 of 43 remaining) [2021-11-25 18:39:29,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (16 of 43 remaining) [2021-11-25 18:39:29,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (15 of 43 remaining) [2021-11-25 18:39:29,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (14 of 43 remaining) [2021-11-25 18:39:29,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (13 of 43 remaining) [2021-11-25 18:39:29,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (12 of 43 remaining) [2021-11-25 18:39:29,201 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (11 of 43 remaining) [2021-11-25 18:39:29,201 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (10 of 43 remaining) [2021-11-25 18:39:29,201 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (9 of 43 remaining) [2021-11-25 18:39:29,201 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (8 of 43 remaining) [2021-11-25 18:39:29,201 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (7 of 43 remaining) [2021-11-25 18:39:29,203 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (6 of 43 remaining) [2021-11-25 18:39:29,203 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (5 of 43 remaining) [2021-11-25 18:39:29,203 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (4 of 43 remaining) [2021-11-25 18:39:29,203 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (3 of 43 remaining) [2021-11-25 18:39:29,204 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (2 of 43 remaining) [2021-11-25 18:39:29,204 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (1 of 43 remaining) [2021-11-25 18:39:29,204 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (0 of 43 remaining) [2021-11-25 18:39:29,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-25 18:39:29,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:39:29,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 18:39:29,436 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2021-11-25 18:39:29,436 INFO L858 garLoopResultBuilder]: For program point L1026-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,436 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2021-11-25 18:39:29,437 INFO L858 garLoopResultBuilder]: For program point L977(line 977) no Hoare annotation was computed. [2021-11-25 18:39:29,437 INFO L858 garLoopResultBuilder]: For program point L977-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,437 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2021-11-25 18:39:29,437 INFO L858 garLoopResultBuilder]: For program point L1027(line 1027) no Hoare annotation was computed. [2021-11-25 18:39:29,438 INFO L858 garLoopResultBuilder]: For program point L1027-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,439 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 18:39:29,439 INFO L858 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2021-11-25 18:39:29,439 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 1027) no Hoare annotation was computed. [2021-11-25 18:39:29,439 INFO L858 garLoopResultBuilder]: For program point L978-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,440 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2021-11-25 18:39:29,440 INFO L858 garLoopResultBuilder]: For program point L1028(line 1028) no Hoare annotation was computed. [2021-11-25 18:39:29,440 INFO L858 garLoopResultBuilder]: For program point L995(line 995) no Hoare annotation was computed. [2021-11-25 18:39:29,440 INFO L858 garLoopResultBuilder]: For program point L1028-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,440 INFO L858 garLoopResultBuilder]: For program point L995-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,440 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2021-11-25 18:39:29,440 INFO L858 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2021-11-25 18:39:29,441 INFO L858 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2021-11-25 18:39:29,441 INFO L858 garLoopResultBuilder]: For program point L1012-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,441 INFO L858 garLoopResultBuilder]: For program point L979-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,441 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 1026) no Hoare annotation was computed. [2021-11-25 18:39:29,441 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2021-11-25 18:39:29,441 INFO L858 garLoopResultBuilder]: For program point L1029(line 1029) no Hoare annotation was computed. [2021-11-25 18:39:29,441 INFO L858 garLoopResultBuilder]: For program point L996(line 996) no Hoare annotation was computed. [2021-11-25 18:39:29,442 INFO L858 garLoopResultBuilder]: For program point L1029-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,442 INFO L858 garLoopResultBuilder]: For program point L996-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,442 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2021-11-25 18:39:29,442 INFO L858 garLoopResultBuilder]: For program point L1013(line 1013) no Hoare annotation was computed. [2021-11-25 18:39:29,442 INFO L858 garLoopResultBuilder]: For program point L980(line 980) no Hoare annotation was computed. [2021-11-25 18:39:29,442 INFO L858 garLoopResultBuilder]: For program point L1013-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,442 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,442 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2021-11-25 18:39:29,443 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-11-25 18:39:29,443 INFO L858 garLoopResultBuilder]: For program point L1030(line 1030) no Hoare annotation was computed. [2021-11-25 18:39:29,443 INFO L858 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2021-11-25 18:39:29,443 INFO L858 garLoopResultBuilder]: For program point L997-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,443 INFO L858 garLoopResultBuilder]: For program point L1014(line 1014) no Hoare annotation was computed. [2021-11-25 18:39:29,444 INFO L858 garLoopResultBuilder]: For program point L1014-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,444 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 1028) no Hoare annotation was computed. [2021-11-25 18:39:29,444 INFO L858 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2021-11-25 18:39:29,444 INFO L858 garLoopResultBuilder]: For program point L998-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,444 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point L1015(line 1015) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point L1015-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point L999(line 999) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1023) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point L999-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 18:39:29,445 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2021-11-25 18:39:29,446 INFO L858 garLoopResultBuilder]: For program point L1016(line 1016) no Hoare annotation was computed. [2021-11-25 18:39:29,446 INFO L858 garLoopResultBuilder]: For program point L983(line 983) no Hoare annotation was computed. [2021-11-25 18:39:29,446 INFO L858 garLoopResultBuilder]: For program point L1016-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,446 INFO L858 garLoopResultBuilder]: For program point L983-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,446 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2021-11-25 18:39:29,446 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1022) no Hoare annotation was computed. [2021-11-25 18:39:29,446 INFO L858 garLoopResultBuilder]: For program point L1000(line 1000) no Hoare annotation was computed. [2021-11-25 18:39:29,446 INFO L858 garLoopResultBuilder]: For program point L1000-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,447 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2021-11-25 18:39:29,447 INFO L858 garLoopResultBuilder]: For program point L1017(line 1017) no Hoare annotation was computed. [2021-11-25 18:39:29,447 INFO L858 garLoopResultBuilder]: For program point L984(line 984) no Hoare annotation was computed. [2021-11-25 18:39:29,447 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-11-25 18:39:29,447 INFO L858 garLoopResultBuilder]: For program point L1017-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,447 INFO L858 garLoopResultBuilder]: For program point L984-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,448 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2021-11-25 18:39:29,448 INFO L858 garLoopResultBuilder]: For program point L1001(line 1001) no Hoare annotation was computed. [2021-11-25 18:39:29,448 INFO L858 garLoopResultBuilder]: For program point L1001-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,448 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2021-11-25 18:39:29,448 INFO L858 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2021-11-25 18:39:29,449 INFO L858 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2021-11-25 18:39:29,449 INFO L858 garLoopResultBuilder]: For program point L1018-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,449 INFO L858 garLoopResultBuilder]: For program point L985-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,449 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1024) no Hoare annotation was computed. [2021-11-25 18:39:29,449 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-11-25 18:39:29,449 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 980) no Hoare annotation was computed. [2021-11-25 18:39:29,450 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 18:39:29,450 INFO L858 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2021-11-25 18:39:29,450 INFO L858 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-11-25 18:39:29,450 INFO L858 garLoopResultBuilder]: For program point L1019-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,450 INFO L858 garLoopResultBuilder]: For program point L986-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,451 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-11-25 18:39:29,451 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1017) no Hoare annotation was computed. [2021-11-25 18:39:29,451 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2021-11-25 18:39:29,451 INFO L858 garLoopResultBuilder]: For program point L987(line 987) no Hoare annotation was computed. [2021-11-25 18:39:29,451 INFO L858 garLoopResultBuilder]: For program point L987-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,451 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2021-11-25 18:39:29,452 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-11-25 18:39:29,452 INFO L858 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2021-11-25 18:39:29,452 INFO L854 garLoopResultBuilder]: At program point L971(line 971) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2021-11-25 18:39:29,452 INFO L854 garLoopResultBuilder]: At program point L971-1(line 971) the Hoare annotation is: (and (not (fp.isNaN |ULTIMATE.start_main_~f2~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 18:39:29,452 INFO L858 garLoopResultBuilder]: For program point L1004-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,452 INFO L858 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2021-11-25 18:39:29,453 INFO L858 garLoopResultBuilder]: For program point L972(line 972) no Hoare annotation was computed. [2021-11-25 18:39:29,453 INFO L858 garLoopResultBuilder]: For program point L1005-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,453 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2021-11-25 18:39:29,453 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2021-11-25 18:39:29,453 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2021-11-25 18:39:29,453 INFO L858 garLoopResultBuilder]: For program point L1022(line 1022) no Hoare annotation was computed. [2021-11-25 18:39:29,453 INFO L858 garLoopResultBuilder]: For program point L1022-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,453 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2021-11-25 18:39:29,454 INFO L858 garLoopResultBuilder]: For program point L1006(line 1006) no Hoare annotation was computed. [2021-11-25 18:39:29,454 INFO L858 garLoopResultBuilder]: For program point L1006-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,454 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1018) no Hoare annotation was computed. [2021-11-25 18:39:29,454 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 18:39:29,454 INFO L858 garLoopResultBuilder]: For program point L1023(line 1023) no Hoare annotation was computed. [2021-11-25 18:39:29,454 INFO L858 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2021-11-25 18:39:29,455 INFO L858 garLoopResultBuilder]: For program point L1023-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,455 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,455 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2021-11-25 18:39:29,455 INFO L858 garLoopResultBuilder]: For program point L1007(line 1007) no Hoare annotation was computed. [2021-11-25 18:39:29,455 INFO L858 garLoopResultBuilder]: For program point L1007-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,455 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2021-11-25 18:39:29,456 INFO L858 garLoopResultBuilder]: For program point L1024(line 1024) no Hoare annotation was computed. [2021-11-25 18:39:29,456 INFO L858 garLoopResultBuilder]: For program point L991(line 991) no Hoare annotation was computed. [2021-11-25 18:39:29,456 INFO L858 garLoopResultBuilder]: For program point L1024-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,456 INFO L858 garLoopResultBuilder]: For program point L991-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,456 INFO L858 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-11-25 18:39:29,456 INFO L858 garLoopResultBuilder]: For program point L1008-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,457 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 1030) no Hoare annotation was computed. [2021-11-25 18:39:29,457 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2021-11-25 18:39:29,457 INFO L858 garLoopResultBuilder]: For program point L1025(line 1025) no Hoare annotation was computed. [2021-11-25 18:39:29,457 INFO L858 garLoopResultBuilder]: For program point L992(line 992) no Hoare annotation was computed. [2021-11-25 18:39:29,457 INFO L858 garLoopResultBuilder]: For program point L1025-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,457 INFO L858 garLoopResultBuilder]: For program point L992-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,458 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2021-11-25 18:39:29,458 INFO L858 garLoopResultBuilder]: For program point L1009(line 1009) no Hoare annotation was computed. [2021-11-25 18:39:29,458 INFO L858 garLoopResultBuilder]: For program point L976(line 976) no Hoare annotation was computed. [2021-11-25 18:39:29,458 INFO L858 garLoopResultBuilder]: For program point L976-1(line 976) no Hoare annotation was computed. [2021-11-25 18:39:29,458 INFO L858 garLoopResultBuilder]: For program point L1009-2(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,459 INFO L858 garLoopResultBuilder]: For program point L976-3(lines 967 1031) no Hoare annotation was computed. [2021-11-25 18:39:29,459 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1025) no Hoare annotation was computed. [2021-11-25 18:39:29,459 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-11-25 18:39:29,459 INFO L858 garLoopResultBuilder]: For program point L1026(line 1026) no Hoare annotation was computed. [2021-11-25 18:39:29,459 INFO L858 garLoopResultBuilder]: For program point L3-2(lines 2 4) no Hoare annotation was computed. [2021-11-25 18:39:29,459 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2 4) the Hoare annotation is: true [2021-11-25 18:39:29,460 INFO L858 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2021-11-25 18:39:29,460 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2 4) no Hoare annotation was computed. [2021-11-25 18:39:29,473 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-25 18:39:29,474 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:39:29,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:39:29 BoogieIcfgContainer [2021-11-25 18:39:29,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:39:29,480 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:39:29,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:39:29,480 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:39:29,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:38:03" (3/4) ... [2021-11-25 18:39:29,484 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:39:29,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-25 18:39:29,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-25 18:39:29,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 18:39:29,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 18:39:29,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 18:39:29,555 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:39:29,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:39:29,556 INFO L158 Benchmark]: Toolchain (without parser) took 93784.01ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 41.2MB in the beginning and 51.5MB in the end (delta: -10.3MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-11-25 18:39:29,556 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:39:29,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1171.85ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 41.0MB in the beginning and 35.3MB in the end (delta: 5.6MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-25 18:39:29,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.85ms. Allocated memory is still 77.6MB. Free memory was 35.3MB in the beginning and 57.8MB in the end (delta: -22.5MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-11-25 18:39:29,558 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 77.6MB. Free memory was 57.8MB in the beginning and 55.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:39:29,558 INFO L158 Benchmark]: RCFGBuilder took 6747.21ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 41.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 18:39:29,559 INFO L158 Benchmark]: TraceAbstraction took 85645.18ms. Allocated memory is still 77.6MB. Free memory was 40.8MB in the beginning and 56.3MB in the end (delta: -15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 18:39:29,559 INFO L158 Benchmark]: Witness Printer took 75.45ms. Allocated memory is still 77.6MB. Free memory was 56.3MB in the beginning and 51.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:39:29,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1171.85ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 41.0MB in the beginning and 35.3MB in the end (delta: 5.6MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.85ms. Allocated memory is still 77.6MB. Free memory was 35.3MB in the beginning and 57.8MB in the end (delta: -22.5MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 77.6MB. Free memory was 57.8MB in the beginning and 55.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6747.21ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 41.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 85645.18ms. Allocated memory is still 77.6MB. Free memory was 40.8MB in the beginning and 56.3MB in the end (delta: -15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 75.45ms. Allocated memory is still 77.6MB. Free memory was 56.3MB in the beginning and 51.5MB in the end (delta: 4.8MB). 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: 85.6s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 49.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 49.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 48.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 73 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 143 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 6.9s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 131 ConstructedInterpolants, 2 QuantifiedInterpolants, 772 SizeOfPredicates, 11 NumberOfNonLiveVariables, 216 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-25 18:39:29,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0166cc20-2d52-412c-b4ab-3ad588ad8260/bin/utaipan-eEHZpOm5b7/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