./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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_991a00be-7647-4e32-a890-004a1bc90b66/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 86df755497de45805a72badc5556832b67f5aabaf55c27dcd82800579b6a44d3 --- 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 [2022-11-25 22:27:31,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:27:31,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:27:31,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:27:31,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:27:31,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:27:31,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:27:31,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:27:31,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:27:31,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:27:31,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:27:31,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:27:31,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:27:31,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:27:31,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:27:31,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:27:31,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:27:31,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:27:31,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:27:31,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:27:31,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:27:31,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:27:31,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:27:31,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:27:31,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:27:31,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:27:31,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:27:31,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:27:31,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:27:31,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:27:31,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:27:31,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:27:31,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:27:31,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:27:31,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:27:31,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:27:31,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:27:31,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:27:31,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:27:31,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:27:31,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:27:31,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:27:31,925 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:27:31,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:27:31,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:27:31,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:27:31,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:27:31,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:27:31,927 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:27:31,927 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:27:31,927 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:27:31,928 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:27:31,928 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:27:31,928 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:27:31,928 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:27:31,928 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:27:31,928 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:27:31,929 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:27:31,929 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:27:31,929 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:27:31,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:27:31,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:27:31,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:27:31,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:27:31,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:27:31,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:27:31,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:27:31,931 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:27:31,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:27:31,931 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:27:31,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:27:31,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:27:31,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:27:31,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:31,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:27:31,932 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:27:31,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:27:31,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:27:31,933 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:27:31,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:27:31,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:27:31,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:27:31,934 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_991a00be-7647-4e32-a890-004a1bc90b66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86df755497de45805a72badc5556832b67f5aabaf55c27dcd82800579b6a44d3 [2022-11-25 22:27:32,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:27:32,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:27:32,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:27:32,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:27:32,215 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:27:32,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_good.i [2022-11-25 22:27:35,380 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:27:35,823 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:27:35,824 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_good.i [2022-11-25 22:27:35,852 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/data/1f1bd7548/7d23ec5276e84ccbae33d8cdc8d9c931/FLAG46d7c1b66 [2022-11-25 22:27:35,871 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/data/1f1bd7548/7d23ec5276e84ccbae33d8cdc8d9c931 [2022-11-25 22:27:35,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:27:35,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:27:35,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:35,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:27:35,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:27:35,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:35" (1/1) ... [2022-11-25 22:27:35,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41829526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:35, skipping insertion in model container [2022-11-25 22:27:35,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:35" (1/1) ... [2022-11-25 22:27:35,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:27:35,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:27:36,424 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:27:37,146 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:27:37,152 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:27:37,154 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:27:37,157 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:27:37,158 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:27:37,711 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) [2022-11-25 22:27:37,720 INFO L158 Benchmark]: Toolchain (without parser) took 1843.91ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 78.6MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 22:27:37,721 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:27:37,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1841.55ms. Allocated memory is still 153.1MB. Free memory was 102.3MB in the beginning and 78.6MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 22:27:37,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1841.55ms. Allocated memory is still 153.1MB. Free memory was 102.3MB in the beginning and 78.6MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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_991a00be-7647-4e32-a890-004a1bc90b66/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 86df755497de45805a72badc5556832b67f5aabaf55c27dcd82800579b6a44d3 --- 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 [2022-11-25 22:27:40,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:27:40,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:27:40,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:27:40,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:27:40,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:27:40,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:27:40,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:27:40,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:27:40,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:27:40,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:27:40,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:27:40,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:27:40,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:27:40,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:27:40,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:27:40,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:27:40,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:27:40,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:27:40,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:27:40,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:27:40,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:27:40,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:27:40,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:27:40,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:27:40,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:27:40,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:27:40,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:27:40,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:27:40,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:27:40,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:27:40,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:27:40,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:27:40,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:27:40,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:27:40,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:27:40,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:27:40,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:27:40,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:27:40,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:27:40,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:27:40,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:27:40,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:27:40,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:27:40,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:27:40,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:27:40,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:27:40,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:27:40,262 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:27:40,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:27:40,262 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:27:40,262 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:27:40,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:27:40,264 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:27:40,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:27:40,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:27:40,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:27:40,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:27:40,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:27:40,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:27:40,266 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:27:40,266 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:27:40,266 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:27:40,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:27:40,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:27:40,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:27:40,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:27:40,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:27:40,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:27:40,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:27:40,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:40,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:27:40,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:27:40,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:27:40,269 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:27:40,269 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:27:40,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:27:40,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:27:40,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:27:40,270 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86df755497de45805a72badc5556832b67f5aabaf55c27dcd82800579b6a44d3 [2022-11-25 22:27:40,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:27:40,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:27:40,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:27:40,738 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:27:40,739 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:27:40,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_good.i [2022-11-25 22:27:44,002 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:27:44,435 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:27:44,436 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_good.i [2022-11-25 22:27:44,459 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/data/6d61ae3be/def646f823f14596bfdd3d118964df3a/FLAG21097595e [2022-11-25 22:27:44,477 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/data/6d61ae3be/def646f823f14596bfdd3d118964df3a [2022-11-25 22:27:44,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:27:44,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:27:44,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:44,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:27:44,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:27:44,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:44" (1/1) ... [2022-11-25 22:27:44,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca4351b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:44, skipping insertion in model container [2022-11-25 22:27:44,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:27:44" (1/1) ... [2022-11-25 22:27:44,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:27:44,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:27:45,039 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:27:45,780 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:27:45,786 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:27:45,789 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:27:45,801 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:27:45,803 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:27:46,343 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:27:46,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:27:46,356 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:27:46,376 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:27:46,440 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:27:46,441 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:27:46,443 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:27:46,445 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:27:46,446 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:27:46,461 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:27:46,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:27:46,686 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:27:46,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46 WrapperNode [2022-11-25 22:27:46,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:27:46,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:27:46,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:27:46,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:27:46,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,758 INFO L138 Inliner]: procedures = 946, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 82 [2022-11-25 22:27:46,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:27:46,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:27:46,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:27:46,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:27:46,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,790 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:27:46,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:27:46,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:27:46,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:27:46,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (1/1) ... [2022-11-25 22:27:46,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:27:46,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:27:46,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:27:46,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:27:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 22:27:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 22:27:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:27:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:27:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:27:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:27:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:27:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:27:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:27:47,076 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:27:47,078 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:27:50,780 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:27:50,786 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:27:50,787 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:27:50,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:27:50 BoogieIcfgContainer [2022-11-25 22:27:50,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:27:50,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:27:50,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:27:50,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:27:50,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:27:44" (1/3) ... [2022-11-25 22:27:50,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ee7531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:27:50, skipping insertion in model container [2022-11-25 22:27:50,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:27:46" (2/3) ... [2022-11-25 22:27:50,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ee7531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:27:50, skipping insertion in model container [2022-11-25 22:27:50,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:27:50" (3/3) ... [2022-11-25 22:27:50,798 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_45_good.i [2022-11-25 22:27:50,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:27:50,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-25 22:27:50,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:27:50,874 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;@3a7cb81e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:27:50,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-25 22:27:50,879 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) [2022-11-25 22:27:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 22:27:50,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:50,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:27:50,888 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)] === [2022-11-25 22:27:50,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:50,894 INFO L85 PathProgramCache]: Analyzing trace with hash 948854709, now seen corresponding path program 1 times [2022-11-25 22:27:50,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:27:50,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900349154] [2022-11-25 22:27:50,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:50,908 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 [2022-11-25 22:27:50,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:27:50,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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) [2022-11-25 22:27:50,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:27:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:51,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:27:51,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:27:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:51,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:27:51,155 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:27:51,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900349154] [2022-11-25 22:27:51,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900349154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:27:51,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:27:51,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:27:51,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984849156] [2022-11-25 22:27:51,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:27:51,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:27:51,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:27:51,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:27:51,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:27:51,227 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) [2022-11-25 22:27:51,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:27:51,349 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-11-25 22:27:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:27:51,360 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 [2022-11-25 22:27:51,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:27:51,367 INFO L225 Difference]: With dead ends: 38 [2022-11-25 22:27:51,367 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 22:27:51,369 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 [2022-11-25 22:27:51,373 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 [2022-11-25 22:27:51,374 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] [2022-11-25 22:27:51,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 22:27:51,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-25 22:27:51,405 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) [2022-11-25 22:27:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-25 22:27:51,407 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 9 [2022-11-25 22:27:51,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:27:51,408 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-25 22:27:51,408 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) [2022-11-25 22:27:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-25 22:27:51,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 22:27:51,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:51,409 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] [2022-11-25 22:27:51,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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)] Ended with exit code 0 [2022-11-25 22:27:51,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:27:51,623 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)] === [2022-11-25 22:27:51,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:51,624 INFO L85 PathProgramCache]: Analyzing trace with hash 625360611, now seen corresponding path program 1 times [2022-11-25 22:27:51,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:27:51,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028222182] [2022-11-25 22:27:51,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:51,625 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 [2022-11-25 22:27:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:27:51,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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) [2022-11-25 22:27:51,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:27:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:51,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 22:27:51,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:27:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:51,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:27:51,823 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:27:51,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028222182] [2022-11-25 22:27:51,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028222182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:27:51,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:27:51,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:27:51,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962701750] [2022-11-25 22:27:51,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:27:51,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:27:51,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:27:51,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:27:51,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:27:51,827 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) [2022-11-25 22:27:53,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 22:27:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:27:53,236 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-25 22:27:53,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:27:53,241 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 [2022-11-25 22:27:53,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:27:53,241 INFO L225 Difference]: With dead ends: 27 [2022-11-25 22:27:53,242 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 22:27:53,242 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 [2022-11-25 22:27:53,243 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:27:53,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 65 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 22:27:53,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 22:27:53,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-11-25 22:27:53,248 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) [2022-11-25 22:27:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2022-11-25 22:27:53,249 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 20 [2022-11-25 22:27:53,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:27:53,249 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2022-11-25 22:27:53,250 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) [2022-11-25 22:27:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2022-11-25 22:27:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 22:27:53,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:53,251 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] [2022-11-25 22:27:53,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:27:53,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:27:53,465 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)] === [2022-11-25 22:27:53,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:53,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2088653436, now seen corresponding path program 1 times [2022-11-25 22:27:53,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:27:53,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434632168] [2022-11-25 22:27:53,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:53,467 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 [2022-11-25 22:27:53,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:27:53,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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) [2022-11-25 22:27:53,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:27:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:27:53,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:27:53,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:27:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:27:53,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:27:53,635 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:27:53,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434632168] [2022-11-25 22:27:53,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434632168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:27:53,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:27:53,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:27:53,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883045163] [2022-11-25 22:27:53,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:27:53,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:27:53,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:27:53,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:27:53,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:27:53,638 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) [2022-11-25 22:27:53,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:27:53,656 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2022-11-25 22:27:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:27:53,657 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 [2022-11-25 22:27:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:27:53,658 INFO L225 Difference]: With dead ends: 30 [2022-11-25 22:27:53,658 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 22:27:53,658 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 [2022-11-25 22:27:53,660 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 [2022-11-25 22:27:53,661 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] [2022-11-25 22:27:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 22:27:53,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 22:27:53,665 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) [2022-11-25 22:27:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-25 22:27:53,666 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 21 [2022-11-25 22:27:53,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:27:53,667 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-25 22:27:53,667 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) [2022-11-25 22:27:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-25 22:27:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 22:27:53,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:27:53,668 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] [2022-11-25 22:27:53,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:27:53,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:27:53,880 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)] === [2022-11-25 22:27:53,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:27:53,880 INFO L85 PathProgramCache]: Analyzing trace with hash -323871995, now seen corresponding path program 1 times [2022-11-25 22:27:53,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:27:53,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503031129] [2022-11-25 22:27:53,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:27:53,882 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 [2022-11-25 22:27:53,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:27:53,884 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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) [2022-11-25 22:27:53,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:29:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:07,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:29:07,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:29:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:29:09,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:29:09,556 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:29:09,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503031129] [2022-11-25 22:29:09,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503031129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:09,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:09,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:29:09,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210426993] [2022-11-25 22:29:09,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:09,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:29:09,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:29:09,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:29:09,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:29:09,559 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) [2022-11-25 22:29:12,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 22:29:12,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:12,681 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-25 22:29:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:29:12,687 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 [2022-11-25 22:29:12,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:12,688 INFO L225 Difference]: With dead ends: 25 [2022-11-25 22:29:12,688 INFO L226 Difference]: Without dead ends: 24 [2022-11-25 22:29:12,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:29:12,690 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 [2022-11-25 22:29:12,690 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] [2022-11-25 22:29:12,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-25 22:29:12,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-25 22:29:12,695 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) [2022-11-25 22:29:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-25 22:29:12,696 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2022-11-25 22:29:12,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:12,697 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-25 22:29:12,697 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) [2022-11-25 22:29:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-25 22:29:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 22:29:12,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:12,698 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] [2022-11-25 22:29:12,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:29:12,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:29:12,916 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)] === [2022-11-25 22:29:12,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1450097178, now seen corresponding path program 1 times [2022-11-25 22:29:12,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:29:12,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399345458] [2022-11-25 22:29:12,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:12,917 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 [2022-11-25 22:29:12,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:29:12,919 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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) [2022-11-25 22:29:12,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:30:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:30,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:30:30,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:30:32,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:30:32,123 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:30:32,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399345458] [2022-11-25 22:30:32,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399345458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:32,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:32,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:30:32,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223048124] [2022-11-25 22:30:32,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:32,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:30:32,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:30:32,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:30:32,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:30:32,125 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) [2022-11-25 22:30:33,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:33,426 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-25 22:30:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:30:33,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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 [2022-11-25 22:30:33,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:33,431 INFO L225 Difference]: With dead ends: 24 [2022-11-25 22:30:33,431 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:30:33,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:30:33,433 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:33,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 96 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:30:33,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:30:33,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:30:33,434 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) [2022-11-25 22:30:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:30:33,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-11-25 22:30:33,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:33,435 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:30:33,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) [2022-11-25 22:30:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:30:33,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:30:33,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-25 22:30:33,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-25 22:30:33,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-25 22:30:33,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-25 22:30:33,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-25 22:30:33,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:30:33,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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 [2022-11-25 22:30:33,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 22:30:33,668 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 22:30:33,668 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 22:30:33,668 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 22:30:33,669 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 22:30:33,669 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 22:30:33,669 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 22:30:33,669 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 22:30:33,669 INFO L899 garLoopResultBuilder]: For program point L1856(line 1856) no Hoare annotation was computed. [2022-11-25 22:30:33,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1856) no Hoare annotation was computed. [2022-11-25 22:30:33,670 INFO L899 garLoopResultBuilder]: For program point L1856-1(line 1856) no Hoare annotation was computed. [2022-11-25 22:30:33,670 INFO L895 garLoopResultBuilder]: At program point L1840(line 1840) the Hoare annotation is: (= |ULTIMATE.start_goodG2BSink_~data~0#1| (_ bv2 32)) [2022-11-25 22:30:33,670 INFO L899 garLoopResultBuilder]: For program point L1840-1(lines 1835 1842) no Hoare annotation was computed. [2022-11-25 22:30:33,670 INFO L895 garLoopResultBuilder]: At program point L1861(line 1861) the Hoare annotation is: (= |ULTIMATE.start_goodG2BSink_~data~0#1| (_ bv2 32)) [2022-11-25 22:30:33,670 INFO L899 garLoopResultBuilder]: For program point L1861-1(lines 1851 1863) no Hoare annotation was computed. [2022-11-25 22:30:33,671 INFO L895 garLoopResultBuilder]: At program point L1857(line 1857) the Hoare annotation is: (= |ULTIMATE.start_goodG2BSink_~data~0#1| (_ bv2 32)) [2022-11-25 22:30:33,671 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 22:30:33,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1839) no Hoare annotation was computed. [2022-11-25 22:30:33,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 22:30:33,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1856) no Hoare annotation was computed. [2022-11-25 22:30:33,671 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 22:30:33,672 INFO L895 garLoopResultBuilder]: At program point L1882(line 1882) the Hoare annotation is: (= |ULTIMATE.start_goodG2BSink_~data~0#1| (_ bv2 32)) [2022-11-25 22:30:33,672 INFO L899 garLoopResultBuilder]: For program point L1882-1(line 1882) no Hoare annotation was computed. [2022-11-25 22:30:33,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1839) no Hoare annotation was computed. [2022-11-25 22:30:33,672 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:30:33,672 INFO L899 garLoopResultBuilder]: For program point L1854(line 1854) no Hoare annotation was computed. [2022-11-25 22:30:33,672 INFO L899 garLoopResultBuilder]: For program point L1854-1(line 1854) no Hoare annotation was computed. [2022-11-25 22:30:33,673 INFO L899 garLoopResultBuilder]: For program point L1854-3(lines 1854 1862) no Hoare annotation was computed. [2022-11-25 22:30:33,673 INFO L895 garLoopResultBuilder]: At program point L1883(lines 1877 1884) the Hoare annotation is: (= |ULTIMATE.start_goodG2BSink_~data~0#1| (_ bv2 32)) [2022-11-25 22:30:33,673 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1854) no Hoare annotation was computed. [2022-11-25 22:30:33,673 INFO L902 garLoopResultBuilder]: At program point L1880(line 1880) the Hoare annotation is: true [2022-11-25 22:30:33,673 INFO L899 garLoopResultBuilder]: For program point L1880-1(line 1880) no Hoare annotation was computed. [2022-11-25 22:30:33,673 INFO L899 garLoopResultBuilder]: For program point L1843(lines 1843 1850) no Hoare annotation was computed. [2022-11-25 22:30:33,674 INFO L899 garLoopResultBuilder]: For program point L1872(lines 1872 1876) no Hoare annotation was computed. [2022-11-25 22:30:33,674 INFO L899 garLoopResultBuilder]: For program point L1839(line 1839) no Hoare annotation was computed. [2022-11-25 22:30:33,674 INFO L899 garLoopResultBuilder]: For program point L1839-1(line 1839) no Hoare annotation was computed. [2022-11-25 22:30:33,674 INFO L899 garLoopResultBuilder]: For program point L1868(line 1868) no Hoare annotation was computed. [2022-11-25 22:30:33,674 INFO L899 garLoopResultBuilder]: For program point L1868-2(line 1868) no Hoare annotation was computed. [2022-11-25 22:30:33,674 INFO L899 garLoopResultBuilder]: For program point L1864(lines 1864 1871) no Hoare annotation was computed. [2022-11-25 22:30:33,678 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 22:30:33,680 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:30:33,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:30:33 BoogieIcfgContainer [2022-11-25 22:30:33,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:30:33,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:30:33,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:30:33,693 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:30:33,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:27:50" (3/4) ... [2022-11-25 22:30:33,696 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:30:33,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 22:30:33,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 22:30:33,707 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-25 22:30:33,707 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 22:30:33,707 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 22:30:33,708 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:30:33,746 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:30:33,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:30:33,747 INFO L158 Benchmark]: Toolchain (without parser) took 169265.73ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 51.8MB in the beginning and 28.1MB in the end (delta: 23.7MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-11-25 22:30:33,748 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:30:33,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2203.76ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 51.6MB in the beginning and 67.5MB in the end (delta: -16.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-25 22:30:33,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.13ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 63.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:30:33,749 INFO L158 Benchmark]: Boogie Preprocessor took 36.38ms. Allocated memory is still 102.8MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:30:33,749 INFO L158 Benchmark]: RCFGBuilder took 3993.11ms. Allocated memory is still 102.8MB. Free memory was 61.2MB in the beginning and 46.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 22:30:33,750 INFO L158 Benchmark]: TraceAbstraction took 162900.11ms. Allocated memory is still 102.8MB. Free memory was 45.2MB in the beginning and 30.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-25 22:30:33,750 INFO L158 Benchmark]: Witness Printer took 54.20ms. Allocated memory is still 102.8MB. Free memory was 30.9MB in the beginning and 28.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:30:33,752 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 79.7MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2203.76ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 51.6MB in the beginning and 67.5MB in the end (delta: -16.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.13ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 63.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.38ms. Allocated memory is still 102.8MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3993.11ms. Allocated memory is still 102.8MB. Free memory was 61.2MB in the beginning and 46.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 162900.11ms. Allocated memory is still 102.8MB. Free memory was 45.2MB in the beginning and 30.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 54.20ms. Allocated memory is still 102.8MB. Free memory was 30.9MB in the beginning and 28.1MB in the end (delta: 2.8MB). 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: 1839]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1839]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1856]: 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: 162.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 360 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 229 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 131 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 150.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 5 QuantifiedInterpolants, 387 SizeOfPredicates, 10 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 24 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: 1877]: Loop Invariant Derived loop invariant: data == 2bv32 RESULT: Ultimate proved your program to be correct! [2022-11-25 22:30:34,003 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-25 22:30:34,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991a00be-7647-4e32-a890-004a1bc90b66/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