./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:54:47,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:54:47,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:54:47,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:54:47,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:54:47,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:54:47,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:54:47,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:54:47,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:54:47,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:54:47,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:54:47,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:54:47,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:54:47,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:54:47,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:54:47,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:54:47,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:54:47,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:54:47,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:54:47,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:54:47,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:54:47,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:54:47,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:54:47,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:54:47,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:54:47,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:54:47,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:54:47,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:54:47,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:54:47,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:54:47,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:54:47,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:54:47,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:54:47,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:54:47,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:54:47,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:54:47,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:54:47,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:54:47,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:54:47,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:54:47,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:54:47,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:54:47,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:54:47,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:54:47,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:54:47,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:54:47,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:54:47,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:54:47,734 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:54:47,734 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:54:47,734 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:54:47,734 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:54:47,736 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:54:47,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:54:47,736 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:54:47,736 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:54:47,737 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:54:47,737 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:54:47,737 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:54:47,737 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:54:47,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:54:47,740 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:54:47,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:54:47,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:54:47,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:54:47,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:54:47,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:54:47,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:54:47,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:54:47,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:54:47,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:54:47,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:54:47,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:54:47,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:54:47,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:47,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:54:47,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:54:47,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:54:47,748 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:54:47,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:54:47,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:54:47,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:54:47,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:54:47,749 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_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 [2021-11-23 03:54:48,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:54:48,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:54:48,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:54:48,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:54:48,045 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:54:48,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-11-23 03:54:48,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data/bd3b8d3b3/8840d6e40bd14913802a7067cd76a658/FLAG71d03406c [2021-11-23 03:54:48,603 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:54:48,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-11-23 03:54:48,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data/bd3b8d3b3/8840d6e40bd14913802a7067cd76a658/FLAG71d03406c [2021-11-23 03:54:49,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data/bd3b8d3b3/8840d6e40bd14913802a7067cd76a658 [2021-11-23 03:54:49,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:54:49,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:54:49,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:49,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:54:49,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:54:49,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:49" (1/1) ... [2021-11-23 03:54:49,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d5e42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:49, skipping insertion in model container [2021-11-23 03:54:49,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:49" (1/1) ... [2021-11-23 03:54:49,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:54:49,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:54:49,442 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:414) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2021) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1633) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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.visit(CHandler.java:1610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 03:54:49,448 INFO L158 Benchmark]: Toolchain (without parser) took 371.72ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 91.8MB in the end (delta: -7.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:54:49,450 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:54:49,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.61ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 91.8MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:54:49,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 69.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.61ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 91.8MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) 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_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:54:51,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:54:51,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:54:51,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:54:51,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:54:51,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:54:51,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:54:51,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:54:51,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:54:51,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:54:51,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:54:51,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:54:51,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:54:51,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:54:51,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:54:51,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:54:51,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:54:51,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:54:51,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:54:51,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:54:51,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:54:51,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:54:51,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:54:51,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:54:51,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:54:51,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:54:51,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:54:51,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:54:51,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:54:51,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:54:51,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:54:51,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:54:51,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:54:51,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:54:51,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:54:51,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:54:51,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:54:51,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:54:51,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:54:51,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:54:51,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:54:51,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 03:54:51,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:54:51,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:54:51,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:54:51,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:54:51,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:54:51,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:54:51,788 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:54:51,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:54:51,789 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:54:51,789 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:54:51,789 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:54:51,789 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:54:51,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:54:51,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:54:51,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:54:51,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:54:51,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:54:51,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:54:51,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:54:51,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:54:51,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:54:51,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:54:51,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:54:51,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:54:51,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:54:51,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:54:51,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:54:51,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:54:51,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:54:51,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:51,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:54:51,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:54:51,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:54:51,795 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:54:51,795 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:54:51,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:54:51,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:54:51,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:54:51,796 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_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 [2021-11-23 03:54:52,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:54:52,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:54:52,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:54:52,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:54:52,234 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:54:52,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-11-23 03:54:52,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data/652b9b9cd/05e535d5a3254bf1929e3ffaf9c106cf/FLAG090570548 [2021-11-23 03:54:52,786 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:54:52,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-11-23 03:54:52,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data/652b9b9cd/05e535d5a3254bf1929e3ffaf9c106cf/FLAG090570548 [2021-11-23 03:54:53,119 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/data/652b9b9cd/05e535d5a3254bf1929e3ffaf9c106cf [2021-11-23 03:54:53,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:54:53,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:54:53,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:53,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:54:53,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:54:53,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b50d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53, skipping insertion in model container [2021-11-23 03:54:53,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:54:53,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:54:53,659 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_933d3a89-5196-478f-86f5-12a0068e53e7/sv-benchmarks/c/float-newlib/double_req_bl_0874.c[14411,14424] [2021-11-23 03:54:53,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:54:53,683 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:54:53,790 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_933d3a89-5196-478f-86f5-12a0068e53e7/sv-benchmarks/c/float-newlib/double_req_bl_0874.c[14411,14424] [2021-11-23 03:54:53,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:54:53,811 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:54:53,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53 WrapperNode [2021-11-23 03:54:53,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:53,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:54:53,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:54:53,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:54:53,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,892 INFO L137 Inliner]: procedures = 25, calls = 165, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 757 [2021-11-23 03:54:53,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:54:53,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:54:53,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:54:53,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:54:53,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:53,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:54,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:54,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:54:54,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:54:54,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:54:54,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:54:54,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (1/1) ... [2021-11-23 03:54:54,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:54,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:54:54,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:54:54,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:54:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:54:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 03:54:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-23 03:54:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-23 03:54:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-23 03:54:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 03:54:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:54:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-23 03:54:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-23 03:54:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-23 03:54:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 03:54:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:54:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:54:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 03:54:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:54:54,267 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:54:54,269 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:55:49,873 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:55:49,882 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:55:49,882 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-23 03:55:49,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:49 BoogieIcfgContainer [2021-11-23 03:55:49,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:55:49,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:55:49,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:55:49,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:55:49,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:53" (1/3) ... [2021-11-23 03:55:49,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dbb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:55:49, skipping insertion in model container [2021-11-23 03:55:49,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:53" (2/3) ... [2021-11-23 03:55:49,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dbb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:55:49, skipping insertion in model container [2021-11-23 03:55:49,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:49" (3/3) ... [2021-11-23 03:55:49,893 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0874.c [2021-11-23 03:55:49,899 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:55:49,899 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:55:49,948 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:55:49,955 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:55:49,955 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:55:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 203 states have (on average 1.6995073891625616) internal successors, (345), 204 states have internal predecessors, (345), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 03:55:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 03:55:49,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:49,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:49,984 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:55:49,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:49,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1061139955, now seen corresponding path program 1 times [2021-11-23 03:55:50,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:55:50,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313390870] [2021-11-23 03:55:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:50,004 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:55:50,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:55:50,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:55:50,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 03:55:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:50,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 03:55:50,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:50,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:55:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:51,007 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:55:51,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313390870] [2021-11-23 03:55:51,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313390870] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:51,008 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:51,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 03:55:51,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062988060] [2021-11-23 03:55:51,010 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:51,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:55:51,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:55:51,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:55:51,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:55:51,057 INFO L87 Difference]: Start difference. First operand has 212 states, 203 states have (on average 1.6995073891625616) internal successors, (345), 204 states have internal predecessors, (345), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 03:55:51,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:51,136 INFO L93 Difference]: Finished difference Result 421 states and 711 transitions. [2021-11-23 03:55:51,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:55:51,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-11-23 03:55:51,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:51,154 INFO L225 Difference]: With dead ends: 421 [2021-11-23 03:55:51,155 INFO L226 Difference]: Without dead ends: 208 [2021-11-23 03:55:51,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:55:51,162 INFO L933 BasicCegarLoop]: 294 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, 294 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:51,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:55:51,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-23 03:55:51,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-11-23 03:55:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.395) internal successors, (279), 200 states have internal predecessors, (279), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 03:55:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 289 transitions. [2021-11-23 03:55:51,215 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 289 transitions. Word has length 20 [2021-11-23 03:55:51,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:51,216 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 289 transitions. [2021-11-23 03:55:51,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 03:55:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 289 transitions. [2021-11-23 03:55:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 03:55:51,218 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:51,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:51,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:55:51,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:55:51,421 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:55:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:51,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1299029151, now seen corresponding path program 1 times [2021-11-23 03:55:51,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:55:51,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474952953] [2021-11-23 03:55:51,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:51,423 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:55:51,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:55:51,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:55:51,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 03:55:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:51,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 03:55:51,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:53,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:55:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:55:57,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:55:57,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474952953] [2021-11-23 03:55:57,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474952953] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:55:57,979 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:55:57,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-23 03:55:57,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709081119] [2021-11-23 03:55:57,980 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:55:57,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 03:55:57,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:55:57,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 03:55:57,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:55:57,983 INFO L87 Difference]: Start difference. First operand 208 states and 289 transitions. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:55:58,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:55:58,030 INFO L93 Difference]: Finished difference Result 216 states and 296 transitions. [2021-11-23 03:55:58,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:55:58,031 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 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 25 [2021-11-23 03:55:58,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:55:58,033 INFO L225 Difference]: With dead ends: 216 [2021-11-23 03:55:58,033 INFO L226 Difference]: Without dead ends: 208 [2021-11-23 03:55:58,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 03:55:58,036 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 1913 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:55:58,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2197 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 49 Unchecked, 0.0s Time] [2021-11-23 03:55:58,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-23 03:55:58,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-11-23 03:55:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.39) internal successors, (278), 200 states have internal predecessors, (278), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 03:55:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 288 transitions. [2021-11-23 03:55:58,055 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 288 transitions. Word has length 25 [2021-11-23 03:55:58,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:55:58,057 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 288 transitions. [2021-11-23 03:55:58,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 03:55:58,057 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 288 transitions. [2021-11-23 03:55:58,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 03:55:58,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:55:58,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:55:58,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:55:58,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:55:58,277 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:55:58,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:55:58,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1796740572, now seen corresponding path program 1 times [2021-11-23 03:55:58,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:55:58,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90504038] [2021-11-23 03:55:58,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:55:58,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:55:58,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:55:58,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:55:58,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 03:55:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:55:58,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 03:55:58,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:55:59,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-11-23 03:56:03,835 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:56:03,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 43 [2021-11-23 03:56:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:27,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:56:39,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2021-11-23 03:56:40,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2021-11-23 03:56:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:56:44,134 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:56:44,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90504038] [2021-11-23 03:56:44,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [90504038] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:56:44,134 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:56:44,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-23 03:56:44,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014552620] [2021-11-23 03:56:44,135 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:56:44,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 03:56:44,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:56:44,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 03:56:44,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=256, Unknown=7, NotChecked=0, Total=306 [2021-11-23 03:56:44,136 INFO L87 Difference]: Start difference. First operand 208 states and 288 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:56:46,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:56:46,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:56:46,170 INFO L93 Difference]: Finished difference Result 216 states and 295 transitions. [2021-11-23 03:56:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 03:56:46,173 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2021-11-23 03:56:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:56:46,175 INFO L225 Difference]: With dead ends: 216 [2021-11-23 03:56:46,175 INFO L226 Difference]: Without dead ends: 208 [2021-11-23 03:56:46,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 33.2s TimeCoverageRelationStatistics Valid=43, Invalid=256, Unknown=7, NotChecked=0, Total=306 [2021-11-23 03:56:46,178 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1 mSDsluCounter, 2611 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2887 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 89 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:56:46,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 2887 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 89 Unchecked, 2.0s Time] [2021-11-23 03:56:46,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-23 03:56:46,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-11-23 03:56:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.385) internal successors, (277), 200 states have internal predecessors, (277), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 03:56:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 287 transitions. [2021-11-23 03:56:46,193 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 287 transitions. Word has length 27 [2021-11-23 03:56:46,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:56:46,194 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 287 transitions. [2021-11-23 03:56:46,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:56:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 287 transitions. [2021-11-23 03:56:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 03:56:46,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:56:46,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:56:46,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:56:46,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:56:46,413 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:56:46,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:56:46,414 INFO L85 PathProgramCache]: Analyzing trace with hash 987393946, now seen corresponding path program 1 times [2021-11-23 03:56:46,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:56:46,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850841087] [2021-11-23 03:56:46,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:56:46,415 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:56:46,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:56:46,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:56:46,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933d3a89-5196-478f-86f5-12a0068e53e7/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 03:56:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:56:46,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 03:56:46,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:56:47,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-11-23 03:56:52,600 INFO L354 Elim1Store]: treesize reduction 26, result has 46.9 percent of original size [2021-11-23 03:56:52,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 93 [2021-11-23 03:56:56,277 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:56:56,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 99 [2021-11-23 03:56:56,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-11-23 03:57:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:57:02,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:57:18,740 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:57:18,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 164 treesize of output 148 [2021-11-23 03:57:19,636 INFO L354 Elim1Store]: treesize reduction 18, result has 65.4 percent of original size [2021-11-23 03:57:19,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 166 [2021-11-23 03:57:20,235 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:57:20,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 184 [2021-11-23 03:57:20,509 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:57:20,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 166 treesize of output 165 [2021-11-23 03:57:22,191 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 03:57:22,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 66 [2021-11-23 03:57:22,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-23 03:57:23,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35