./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ac4348f6a9a3d45a23d577633b0408be28adc91bcc8bac90c0a5647b4800a5a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:08:30,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:08:30,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:08:30,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:08:30,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:08:30,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:08:30,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:08:30,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:08:30,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:08:30,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:08:30,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:08:30,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:08:30,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:08:30,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:08:30,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:08:30,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:08:30,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:08:30,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:08:30,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:08:30,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:08:30,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:08:30,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:08:30,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:08:30,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:08:30,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:08:30,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:08:30,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:08:30,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:08:30,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:08:30,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:08:30,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:08:30,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:08:30,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:08:30,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:08:30,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:08:30,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:08:30,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:08:30,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:08:30,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:08:30,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:08:30,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:08:30,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 01:08:30,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:08:30,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:08:30,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:08:30,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:08:30,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:08:30,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:08:30,535 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:08:30,535 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:08:30,536 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:08:30,536 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:08:30,536 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:08:30,536 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:08:30,536 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:08:30,536 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:08:30,537 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:08:30,537 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:08:30,537 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:08:30,537 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:08:30,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:08:30,538 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:08:30,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:08:30,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:08:30,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:08:30,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:08:30,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:08:30,539 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:08:30,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:08:30,539 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:08:30,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:08:30,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:08:30,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:08:30,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:08:30,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:08:30,541 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:08:30,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:08:30,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:08:30,541 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:08:30,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:08:30,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:08:30,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:08:30,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ac4348f6a9a3d45a23d577633b0408be28adc91bcc8bac90c0a5647b4800a5a [2022-11-26 01:08:30,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:08:30,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:08:30,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:08:30,876 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:08:30,876 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:08:30,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_good.i [2022-11-26 01:08:33,907 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:08:34,472 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:08:34,473 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_good.i [2022-11-26 01:08:34,514 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/data/5cabc3c96/f41f278f4e56436dac4cfdb2c0535645/FLAG4a00f3e81 [2022-11-26 01:08:34,535 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/data/5cabc3c96/f41f278f4e56436dac4cfdb2c0535645 [2022-11-26 01:08:34,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:08:34,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:08:34,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:08:34,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:08:34,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:08:34,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:08:34" (1/1) ... [2022-11-26 01:08:34,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183f6655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:34, skipping insertion in model container [2022-11-26 01:08:34,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:08:34" (1/1) ... [2022-11-26 01:08:34,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:08:34,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:08:35,268 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:08:36,025 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:08:36,032 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:08:36,035 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:08:36,038 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:08:36,039 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:08:36,810 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:08:36,819 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: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) 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:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 01:08:36,827 INFO L158 Benchmark]: Toolchain (without parser) took 2283.37ms. Allocated memory is still 153.1MB. Free memory was 116.7MB in the beginning and 92.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 01:08:36,827 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:08:36,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2279.16ms. Allocated memory is still 153.1MB. Free memory was 116.7MB in the beginning and 92.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 01:08:36,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2279.16ms. Allocated memory is still 153.1MB. Free memory was 116.7MB in the beginning and 92.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ac4348f6a9a3d45a23d577633b0408be28adc91bcc8bac90c0a5647b4800a5a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:08:39,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:08:39,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:08:39,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:08:39,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:08:39,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:08:39,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:08:39,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:08:39,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:08:39,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:08:39,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:08:39,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:08:39,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:08:39,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:08:39,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:08:39,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:08:39,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:08:39,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:08:39,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:08:39,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:08:39,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:08:39,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:08:39,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:08:39,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:08:39,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:08:39,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:08:39,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:08:39,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:08:39,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:08:39,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:08:39,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:08:39,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:08:39,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:08:39,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:08:39,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:08:39,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:08:39,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:08:39,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:08:39,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:08:39,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:08:39,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:08:39,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 01:08:39,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:08:39,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:08:39,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:08:39,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:08:39,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:08:39,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:08:39,490 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:08:39,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:08:39,491 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:08:39,491 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:08:39,492 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:08:39,493 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:08:39,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:08:39,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:08:39,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:08:39,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:08:39,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:08:39,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:08:39,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:08:39,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:08:39,495 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:08:39,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:08:39,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:08:39,496 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:08:39,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:08:39,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:08:39,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:08:39,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:08:39,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:08:39,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:08:39,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:08:39,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:08:39,499 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:08:39,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:08:39,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:08:39,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:08:39,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:08:39,500 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_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ac4348f6a9a3d45a23d577633b0408be28adc91bcc8bac90c0a5647b4800a5a [2022-11-26 01:08:39,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:08:39,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:08:39,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:08:39,972 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:08:39,973 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:08:39,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_good.i [2022-11-26 01:08:43,167 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:08:43,704 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:08:43,705 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_good.i [2022-11-26 01:08:43,739 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/data/d36e00439/728431f5057a471ab45fb5c68c1436a7/FLAG55458a68f [2022-11-26 01:08:43,758 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/data/d36e00439/728431f5057a471ab45fb5c68c1436a7 [2022-11-26 01:08:43,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:08:43,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:08:43,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:08:43,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:08:43,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:08:43,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:08:43" (1/1) ... [2022-11-26 01:08:43,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a90bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:43, skipping insertion in model container [2022-11-26 01:08:43,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:08:43" (1/1) ... [2022-11-26 01:08:43,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:08:43,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:08:44,486 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:08:45,380 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:08:45,385 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:08:45,387 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:08:45,389 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:08:45,390 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:08:45,827 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:08:45,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:08:45,851 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:08:45,893 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:08:45,957 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:08:45,958 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:08:45,959 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:08:45,961 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:08:45,962 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:08:45,974 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:08:45,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:08:46,401 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:08:46,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46 WrapperNode [2022-11-26 01:08:46,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:08:46,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:08:46,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:08:46,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:08:46,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,477 INFO L138 Inliner]: procedures = 946, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87 [2022-11-26 01:08:46,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:08:46,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:08:46,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:08:46,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:08:46,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,509 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:08:46,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:08:46,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:08:46,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:08:46,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (1/1) ... [2022-11-26 01:08:46,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:08:46,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:08:46,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:08:46,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:08:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-26 01:08:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-26 01:08:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:08:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:08:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 01:08:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 01:08:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 01:08:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:08:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 01:08:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 01:08:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 01:08:46,847 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:08:46,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:08:52,754 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:08:52,761 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:08:52,762 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 01:08:52,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:08:52 BoogieIcfgContainer [2022-11-26 01:08:52,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:08:52,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:08:52,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:08:52,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:08:52,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:08:43" (1/3) ... [2022-11-26 01:08:52,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457e4c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:08:52, skipping insertion in model container [2022-11-26 01:08:52,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:08:46" (2/3) ... [2022-11-26 01:08:52,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457e4c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:08:52, skipping insertion in model container [2022-11-26 01:08:52,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:08:52" (3/3) ... [2022-11-26 01:08:52,775 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_63_good.i [2022-11-26 01:08:52,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:08:52,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-26 01:08:52,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:08:52,849 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f948fda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:08:52,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-26 01:08:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.36) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 01:08:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 01:08:52,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:52,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:52,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 01:08:52,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:52,866 INFO L85 PathProgramCache]: Analyzing trace with hash 948854709, now seen corresponding path program 1 times [2022-11-26 01:08:52,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:08:52,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201939549] [2022-11-26 01:08:52,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:52,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:08:52,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:08:52,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:08:52,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-26 01:08:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:53,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 01:08:53,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:08:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:08:53,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:08:53,211 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:08:53,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201939549] [2022-11-26 01:08:53,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201939549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:53,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:53,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:08:53,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51156816] [2022-11-26 01:08:53,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:53,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:08:53,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:08:53,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:08:53,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:08:53,264 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.36) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-26 01:08:53,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:53,389 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-11-26 01:08:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:08:53,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2022-11-26 01:08:53,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:53,406 INFO L225 Difference]: With dead ends: 38 [2022-11-26 01:08:53,406 INFO L226 Difference]: Without dead ends: 26 [2022-11-26 01:08:53,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:08:53,412 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 23 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:53,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:08:53,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-26 01:08:53,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-26 01:08:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:08:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-26 01:08:53,451 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 9 [2022-11-26 01:08:53,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:53,452 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-26 01:08:53,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-26 01:08:53,452 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-26 01:08:53,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 01:08:53,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:53,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:53,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:08:53,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:08:53,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 01:08:53,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:53,664 INFO L85 PathProgramCache]: Analyzing trace with hash 625360611, now seen corresponding path program 1 times [2022-11-26 01:08:53,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:08:53,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544266065] [2022-11-26 01:08:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:53,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:08:53,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:08:53,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:08:53,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-26 01:08:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:53,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:08:53,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:08:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:08:53,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:08:53,994 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:08:53,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544266065] [2022-11-26 01:08:53,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544266065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:53,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:53,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:08:53,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80665464] [2022-11-26 01:08:53,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:53,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 01:08:53,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:08:53,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 01:08:53,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 01:08:53,998 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:08:54,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:54,655 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-26 01:08:54,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:08:54,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 20 [2022-11-26 01:08:54,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:54,662 INFO L225 Difference]: With dead ends: 27 [2022-11-26 01:08:54,662 INFO L226 Difference]: Without dead ends: 26 [2022-11-26 01:08:54,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:08:54,664 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:54,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 65 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 01:08:54,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-26 01:08:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-11-26 01:08:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:08:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-11-26 01:08:54,670 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 20 [2022-11-26 01:08:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:54,671 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-11-26 01:08:54,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:08:54,671 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-11-26 01:08:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-26 01:08:54,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:54,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:54,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:08:54,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:08:54,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 01:08:54,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:54,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2088653436, now seen corresponding path program 1 times [2022-11-26 01:08:54,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:08:54,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450886471] [2022-11-26 01:08:54,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:54,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:08:54,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:08:54,891 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:08:54,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-26 01:08:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:08:55,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:08:55,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:08:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:08:55,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:08:55,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:08:55,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450886471] [2022-11-26 01:08:55,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450886471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:08:55,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:08:55,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:08:55,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048935495] [2022-11-26 01:08:55,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:08:55,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:08:55,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:08:55,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:08:55,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:08:55,109 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:08:55,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:08:55,132 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2022-11-26 01:08:55,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:08:55,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 21 [2022-11-26 01:08:55,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:08:55,134 INFO L225 Difference]: With dead ends: 30 [2022-11-26 01:08:55,135 INFO L226 Difference]: Without dead ends: 25 [2022-11-26 01:08:55,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:08:55,136 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:08:55,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:08:55,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-26 01:08:55,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-26 01:08:55,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:08:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-26 01:08:55,142 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 21 [2022-11-26 01:08:55,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:08:55,142 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-26 01:08:55,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:08:55,143 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-26 01:08:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 01:08:55,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:08:55,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:08:55,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:08:55,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:08:55,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 01:08:55,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:08:55,360 INFO L85 PathProgramCache]: Analyzing trace with hash -323871995, now seen corresponding path program 1 times [2022-11-26 01:08:55,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:08:55,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608755082] [2022-11-26 01:08:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:08:55,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:08:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:08:55,362 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:08:55,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-26 01:10:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:10:25,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 01:10:25,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:10:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:10:27,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:10:27,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:10:27,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608755082] [2022-11-26 01:10:27,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608755082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:10:27,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:10:27,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:10:27,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850661371] [2022-11-26 01:10:27,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:10:27,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:10:27,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:10:27,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:10:27,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:10:27,291 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:10:30,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:10:30,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:10:30,600 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-26 01:10:30,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:10:30,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 22 [2022-11-26 01:10:30,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:10:30,608 INFO L225 Difference]: With dead ends: 25 [2022-11-26 01:10:30,609 INFO L226 Difference]: Without dead ends: 24 [2022-11-26 01:10:30,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:10:30,611 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:10:30,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 96 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 01:10:30,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-26 01:10:30,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-26 01:10:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:10:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-26 01:10:30,617 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2022-11-26 01:10:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:10:30,617 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-26 01:10:30,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:10:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-26 01:10:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-26 01:10:30,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:10:30,619 INFO L195 NwaCegarLoop]: 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] [2022-11-26 01:10:30,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-26 01:10:30,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:10:30,833 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 01:10:30,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:10:30,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1450097178, now seen corresponding path program 1 times [2022-11-26 01:10:30,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:10:30,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886556010] [2022-11-26 01:10:30,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:10:30,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:10:30,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:10:30,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:10:30,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-26 01:11:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:11:58,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 01:11:58,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:12:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:12:00,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:12:00,876 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:12:00,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886556010] [2022-11-26 01:12:00,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886556010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:12:00,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:12:00,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 01:12:00,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976273604] [2022-11-26 01:12:00,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:12:00,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:12:00,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:12:00,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:12:00,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:12:00,879 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:12:02,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:12:02,132 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-26 01:12:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:12:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 23 [2022-11-26 01:12:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:12:02,137 INFO L225 Difference]: With dead ends: 24 [2022-11-26 01:12:02,138 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 01:12:02,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:12:02,139 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:12:02,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 01:12:02,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 01:12:02,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 01:12:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:12:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 01:12:02,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-11-26 01:12:02,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:12:02,141 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 01:12:02,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 01:12:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 01:12:02,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 01:12:02,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-26 01:12:02,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-26 01:12:02,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-26 01:12:02,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-26 01:12:02,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-26 01:12:02,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-26 01:12:02,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:12:02,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 01:12:02,375 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-26 01:12:02,375 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 01:12:02,376 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-26 01:12:02,376 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 01:12:02,376 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 01:12:02,376 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-26 01:12:02,377 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 01:12:02,377 INFO L902 garLoopResultBuilder]: At program point L1856(line 1856) the Hoare annotation is: true [2022-11-26 01:12:02,378 INFO L899 garLoopResultBuilder]: For program point L1856-1(line 1856) no Hoare annotation was computed. [2022-11-26 01:12:02,378 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1874) no Hoare annotation was computed. [2022-11-26 01:12:02,379 INFO L899 garLoopResultBuilder]: For program point L1848(lines 1848 1852) no Hoare annotation was computed. [2022-11-26 01:12:02,379 INFO L899 garLoopResultBuilder]: For program point L1865(line 1865) no Hoare annotation was computed. [2022-11-26 01:12:02,379 INFO L899 garLoopResultBuilder]: For program point L1865-1(line 1865) no Hoare annotation was computed. [2022-11-26 01:12:02,379 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-26 01:12:02,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1865) no Hoare annotation was computed. [2022-11-26 01:12:02,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 01:12:02,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1874) no Hoare annotation was computed. [2022-11-26 01:12:02,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-26 01:12:02,380 INFO L899 garLoopResultBuilder]: For program point L1845(line 1845) no Hoare annotation was computed. [2022-11-26 01:12:02,380 INFO L899 garLoopResultBuilder]: For program point L1845-2(line 1845) no Hoare annotation was computed. [2022-11-26 01:12:02,380 INFO L899 garLoopResultBuilder]: For program point L1874(line 1874) no Hoare annotation was computed. [2022-11-26 01:12:02,384 INFO L899 garLoopResultBuilder]: For program point L1874-1(line 1874) no Hoare annotation was computed. [2022-11-26 01:12:02,385 INFO L899 garLoopResultBuilder]: For program point L1841(lines 1841 1847) no Hoare annotation was computed. [2022-11-26 01:12:02,385 INFO L895 garLoopResultBuilder]: At program point L1866(line 1866) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_square_63b_goodG2BSink_~data~2#1|) [2022-11-26 01:12:02,386 INFO L899 garLoopResultBuilder]: For program point L1866-1(lines 1861 1868) no Hoare annotation was computed. [2022-11-26 01:12:02,386 INFO L899 garLoopResultBuilder]: For program point L1833(lines 1833 1839) no Hoare annotation was computed. [2022-11-26 01:12:02,387 INFO L895 garLoopResultBuilder]: At program point L1858(line 1858) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_square_63b_goodG2BSink_~data~2#1|) [2022-11-26 01:12:02,387 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1865) no Hoare annotation was computed. [2022-11-26 01:12:02,387 INFO L899 garLoopResultBuilder]: For program point L1858-1(line 1858) no Hoare annotation was computed. [2022-11-26 01:12:02,387 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 01:12:02,387 INFO L895 garLoopResultBuilder]: At program point L1879(line 1879) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_square_63b_goodG2BSink_~data~2#1|) [2022-11-26 01:12:02,388 INFO L899 garLoopResultBuilder]: For program point L1879-1(lines 1869 1881) no Hoare annotation was computed. [2022-11-26 01:12:02,388 INFO L895 garLoopResultBuilder]: At program point L1875(line 1875) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_square_63b_goodG2BSink_~data~2#1|) [2022-11-26 01:12:02,388 INFO L895 garLoopResultBuilder]: At program point L1859(lines 1853 1860) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_square_63b_goodG2BSink_~data~2#1|) [2022-11-26 01:12:02,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1872) no Hoare annotation was computed. [2022-11-26 01:12:02,389 INFO L899 garLoopResultBuilder]: For program point L1872(line 1872) no Hoare annotation was computed. [2022-11-26 01:12:02,389 INFO L899 garLoopResultBuilder]: For program point L1872-1(line 1872) no Hoare annotation was computed. [2022-11-26 01:12:02,389 INFO L899 garLoopResultBuilder]: For program point L1872-3(lines 1872 1880) no Hoare annotation was computed. [2022-11-26 01:12:02,393 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-26 01:12:02,395 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:12:02,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:12:02 BoogieIcfgContainer [2022-11-26 01:12:02,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:12:02,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:12:02,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:12:02,410 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:12:02,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:08:52" (3/4) ... [2022-11-26 01:12:02,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 01:12:02,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-26 01:12:02,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-26 01:12:02,427 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-26 01:12:02,428 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-26 01:12:02,428 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 01:12:02,428 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 01:12:02,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:12:02,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:12:02,472 INFO L158 Benchmark]: Toolchain (without parser) took 198709.50ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.8MB in the beginning and 31.3MB in the end (delta: 26.5MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2022-11-26 01:12:02,472 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:12:02,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2631.26ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.5MB in the beginning and 32.1MB in the end (delta: 25.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-11-26 01:12:02,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.50ms. Allocated memory is still 100.7MB. Free memory was 31.3MB in the beginning and 69.1MB in the end (delta: -37.8MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2022-11-26 01:12:02,473 INFO L158 Benchmark]: Boogie Preprocessor took 36.19ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 66.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:12:02,474 INFO L158 Benchmark]: RCFGBuilder took 6248.86ms. Allocated memory is still 100.7MB. Free memory was 66.1MB in the beginning and 48.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-26 01:12:02,474 INFO L158 Benchmark]: TraceAbstraction took 189642.68ms. Allocated memory is still 100.7MB. Free memory was 48.1MB in the beginning and 34.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-26 01:12:02,474 INFO L158 Benchmark]: Witness Printer took 61.90ms. Allocated memory is still 100.7MB. Free memory was 34.2MB in the beginning and 31.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:12:02,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2631.26ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 57.5MB in the beginning and 32.1MB in the end (delta: 25.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.50ms. Allocated memory is still 100.7MB. Free memory was 31.3MB in the beginning and 69.1MB in the end (delta: -37.8MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.19ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 66.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6248.86ms. Allocated memory is still 100.7MB. Free memory was 66.1MB in the beginning and 48.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 189642.68ms. Allocated memory is still 100.7MB. Free memory was 48.1MB in the beginning and 34.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 61.90ms. Allocated memory is still 100.7MB. Free memory was 34.2MB in the beginning and 31.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. 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: 1865]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1865]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1872]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1874]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1874]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 189.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 342 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 132 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 18 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 177.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 5 QuantifiedInterpolants, 371 SizeOfPredicates, 14 NumberOfNonLiveVariables, 572 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 5 specifications checked. All of them hold - InvariantResult [Line: 1853]: Loop Invariant Derived loop invariant: 2bv32 == data RESULT: Ultimate proved your program to be correct! [2022-11-26 01:12:02,703 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-26 01:12:02,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7d2d97c-fb0a-4538-905b-a4cd91c69ff4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE