./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW --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 41a805d5a543114b289849d92bd19e61d2d4bed8ce68e3029af6bc517817ca2f --- 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-4e7fbc6 [2022-11-23 15:29:42,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:29:42,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:29:42,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:29:42,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:29:42,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:29:42,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:29:42,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:29:42,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:29:42,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:29:42,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:29:42,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:29:42,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:29:42,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:29:42,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:29:42,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:29:42,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:29:42,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:29:42,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:29:42,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:29:42,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:29:42,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:29:42,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:29:42,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:29:42,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:29:42,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:29:42,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:29:42,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:29:42,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:29:42,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:29:42,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:29:42,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:29:42,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:29:42,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:29:42,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:29:42,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:29:42,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:29:42,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:29:42,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:29:42,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:29:42,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:29:42,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:29:42,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:29:42,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:29:42,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:29:42,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:29:42,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:29:42,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:29:42,947 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:29:42,948 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:29:42,948 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:29:42,948 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:29:42,949 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:29:42,949 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:29:42,949 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:29:42,950 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:29:42,950 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:29:42,950 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:29:42,950 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:29:42,951 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:29:42,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:29:42,951 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:29:42,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:29:42,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:29:42,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:29:42,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:29:42,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:29:42,953 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:29:42,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:29:42,953 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:29:42,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:29:42,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:29:42,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:29:42,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:29:42,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:29:42,955 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:29:42,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:29:42,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:29:42,956 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:29:42,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:29:42,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:29:42,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:29:42,956 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_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a805d5a543114b289849d92bd19e61d2d4bed8ce68e3029af6bc517817ca2f [2022-11-23 15:29:43,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:29:43,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:29:43,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:29:43,316 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:29:43,316 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:29:43,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_good.i [2022-11-23 15:29:46,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:29:46,887 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:29:46,888 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_good.i [2022-11-23 15:29:46,912 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/data/a6b02abbc/396e3792c3d844aaa425ba6e3a85c38f/FLAG48d44266a [2022-11-23 15:29:46,927 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/data/a6b02abbc/396e3792c3d844aaa425ba6e3a85c38f [2022-11-23 15:29:46,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:29:46,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:29:46,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:29:46,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:29:46,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:29:46,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:46" (1/1) ... [2022-11-23 15:29:46,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d30fc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46, skipping insertion in model container [2022-11-23 15:29:46,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:46" (1/1) ... [2022-11-23 15:29:46,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:29:47,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:29:47,498 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:29:48,796 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:2056) 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:1463) 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:1638) 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:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1669) 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:1087) 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:1489) 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:3313) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) 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) [2022-11-23 15:29:48,802 INFO L158 Benchmark]: Toolchain (without parser) took 1869.20ms. Allocated memory is still 151.0MB. Free memory was 99.7MB in the beginning and 76.3MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 15:29:48,803 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:29:48,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1863.81ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 76.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 15:29:48,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1863.81ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 76.3MB in the end (delta: 23.1MB). 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_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW --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 41a805d5a543114b289849d92bd19e61d2d4bed8ce68e3029af6bc517817ca2f --- 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-4e7fbc6 [2022-11-23 15:29:51,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:29:51,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:29:51,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:29:51,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:29:51,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:29:51,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:29:51,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:29:51,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:29:51,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:29:51,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:29:51,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:29:51,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:29:51,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:29:51,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:29:51,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:29:51,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:29:51,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:29:51,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:29:51,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:29:51,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:29:51,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:29:51,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:29:51,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:29:51,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:29:51,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:29:51,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:29:51,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:29:51,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:29:51,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:29:51,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:29:51,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:29:51,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:29:51,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:29:51,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:29:51,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:29:51,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:29:51,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:29:51,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:29:51,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:29:51,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:29:51,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 15:29:51,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:29:51,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:29:51,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:29:51,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:29:51,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:29:51,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:29:51,281 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:29:51,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:29:51,282 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:29:51,282 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:29:51,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:29:51,283 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:29:51,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:29:51,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:29:51,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:29:51,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:29:51,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:29:51,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:29:51,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:29:51,286 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:29:51,286 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:29:51,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:29:51,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:29:51,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:29:51,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:29:51,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:29:51,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:29:51,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:29:51,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:29:51,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:29:51,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:29:51,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:29:51,289 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:29:51,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:29:51,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:29:51,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:29:51,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:29:51,290 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_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a805d5a543114b289849d92bd19e61d2d4bed8ce68e3029af6bc517817ca2f [2022-11-23 15:29:51,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:29:51,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:29:51,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:29:51,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:29:51,728 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:29:51,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_good.i [2022-11-23 15:29:54,899 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:29:55,422 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:29:55,423 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_11_good.i [2022-11-23 15:29:55,456 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/data/9098303e5/b957b8134110474bba99909e777ca641/FLAGb0108bcce [2022-11-23 15:29:55,474 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/data/9098303e5/b957b8134110474bba99909e777ca641 [2022-11-23 15:29:55,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:29:55,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:29:55,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:29:55,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:29:55,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:29:55,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:55" (1/1) ... [2022-11-23 15:29:55,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210cda06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:55, skipping insertion in model container [2022-11-23 15:29:55,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:55" (1/1) ... [2022-11-23 15:29:55,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:29:55,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:29:56,125 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:29:57,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:29:57,306 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:29:57,338 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:29:57,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:29:57,651 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:29:57,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57 WrapperNode [2022-11-23 15:29:57,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:29:57,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:29:57,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:29:57,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:29:57,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,735 INFO L138 Inliner]: procedures = 946, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 145 [2022-11-23 15:29:57,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:29:57,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:29:57,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:29:57,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:29:57,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:29:57,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:29:57,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:29:57,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:29:57,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2022-11-23 15:29:57,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:29:57,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:29:57,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:29:57,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:29:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 15:29:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 15:29:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:29:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:29:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:29:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:29:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-11-23 15:29:57,865 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-11-23 15:29:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:29:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:29:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:29:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-23 15:29:57,866 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-23 15:29:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:29:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:29:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 15:29:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 15:29:58,032 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:29:58,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:30:01,745 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:30:01,752 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:30:01,752 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:30:01,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:01 BoogieIcfgContainer [2022-11-23 15:30:01,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:30:01,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:30:01,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:30:01,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:30:01,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:29:55" (1/3) ... [2022-11-23 15:30:01,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c0f9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:01, skipping insertion in model container [2022-11-23 15:30:01,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (2/3) ... [2022-11-23 15:30:01,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c0f9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:30:01, skipping insertion in model container [2022-11-23 15:30:01,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:01" (3/3) ... [2022-11-23 15:30:01,767 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_11_good.i [2022-11-23 15:30:01,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:30:01,792 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-23 15:30:01,834 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:30:01,840 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;@2c98332a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:30:01,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-23 15:30:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 61 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 15:30:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:30:01,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:30:01,853 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] [2022-11-23 15:30:01,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:30:01,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:30:01,858 INFO L85 PathProgramCache]: Analyzing trace with hash 106211721, now seen corresponding path program 1 times [2022-11-23 15:30:01,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:30:01,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502106671] [2022-11-23 15:30:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:30:01,871 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 [2022-11-23 15:30:01,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:30:01,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:30:01,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:30:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:30:02,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:30:02,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:30:02,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 15:30:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:30:02,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:30:02,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:30:02,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502106671] [2022-11-23 15:30:02,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502106671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:30:02,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:30:02,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:30:02,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606487496] [2022-11-23 15:30:02,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:30:02,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:30:02,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:30:02,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:30:02,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:30:02,255 INFO L87 Difference]: Start difference. First operand has 77 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 61 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:30:02,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:30:02,435 INFO L93 Difference]: Finished difference Result 78 states and 105 transitions. [2022-11-23 15:30:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:30:02,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2022-11-23 15:30:02,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:30:02,451 INFO L225 Difference]: With dead ends: 78 [2022-11-23 15:30:02,454 INFO L226 Difference]: Without dead ends: 69 [2022-11-23 15:30:02,457 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 [2022-11-23 15:30:02,461 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 3 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:30:02,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 282 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:30:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-23 15:30:02,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-11-23 15:30:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 39 states have (on average 1.5128205128205128) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:30:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 91 transitions. [2022-11-23 15:30:02,505 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 91 transitions. Word has length 20 [2022-11-23 15:30:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:30:02,506 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 91 transitions. [2022-11-23 15:30:02,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:30:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2022-11-23 15:30:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 15:30:02,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:30:02,509 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] [2022-11-23 15:30:02,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:30:02,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:30:02,720 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:30:02,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:30:02,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1002399842, now seen corresponding path program 1 times [2022-11-23 15:30:02,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:30:02,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634954437] [2022-11-23 15:30:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:30:02,727 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 [2022-11-23 15:30:02,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:30:02,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:30:02,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:30:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:30:02,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:30:02,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:30:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:30:02,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:30:02,901 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:30:02,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634954437] [2022-11-23 15:30:02,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634954437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:30:02,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:30:02,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:30:02,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914593360] [2022-11-23 15:30:02,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:30:02,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:30:02,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:30:02,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:30:02,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:30:02,906 INFO L87 Difference]: Start difference. First operand 68 states and 91 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:30:02,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:30:02,945 INFO L93 Difference]: Finished difference Result 124 states and 162 transitions. [2022-11-23 15:30:02,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:30:02,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2022-11-23 15:30:02,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:30:02,948 INFO L225 Difference]: With dead ends: 124 [2022-11-23 15:30:02,948 INFO L226 Difference]: Without dead ends: 69 [2022-11-23 15:30:02,949 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 [2022-11-23 15:30:02,950 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:30:02,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:30:02,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-23 15:30:02,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-23 15:30:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 40 states have (on average 1.5) internal successors, (60), 54 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:30:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 92 transitions. [2022-11-23 15:30:02,963 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 92 transitions. Word has length 21 [2022-11-23 15:30:02,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:30:02,964 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 92 transitions. [2022-11-23 15:30:02,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:30:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2022-11-23 15:30:02,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 15:30:02,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:30:02,965 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] [2022-11-23 15:30:02,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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)] Ended with exit code 0 [2022-11-23 15:30:03,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:30:03,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:30:03,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:30:03,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1009748949, now seen corresponding path program 1 times [2022-11-23 15:30:03,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:30:03,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467036749] [2022-11-23 15:30:03,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:30:03,193 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 [2022-11-23 15:30:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:30:03,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:30:03,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:31:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:31:34,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 15:31:34,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:31:36,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-23 15:31:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:31:36,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:31:36,997 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:31:36,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467036749] [2022-11-23 15:31:36,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467036749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:31:36,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:31:36,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:31:36,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102129236] [2022-11-23 15:31:36,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:31:36,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:31:36,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:31:36,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:31:36,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:31:37,000 INFO L87 Difference]: Start difference. First operand 69 states and 92 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:31:40,350 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] [2022-11-23 15:31:40,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:31:40,740 INFO L93 Difference]: Finished difference Result 69 states and 92 transitions. [2022-11-23 15:31:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:31:40,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-11-23 15:31:40,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:31:40,743 INFO L225 Difference]: With dead ends: 69 [2022-11-23 15:31:40,743 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 15:31:40,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:31:40,745 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 4 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:31:40,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 379 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-23 15:31:40,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 15:31:40,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-23 15:31:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.475) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:31:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 91 transitions. [2022-11-23 15:31:40,756 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 91 transitions. Word has length 22 [2022-11-23 15:31:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:31:40,757 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 91 transitions. [2022-11-23 15:31:40,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:31:40,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2022-11-23 15:31:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 15:31:40,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:31:40,759 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] [2022-11-23 15:31:40,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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)] Ended with exit code 0 [2022-11-23 15:31:40,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:31:40,972 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:31:40,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:31:40,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1237446272, now seen corresponding path program 1 times [2022-11-23 15:31:40,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:31:40,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224318600] [2022-11-23 15:31:40,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:31:40,982 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 [2022-11-23 15:31:40,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:31:40,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:31:40,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:33:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:33:25,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:33:25,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:33:27,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2022-11-23 15:33:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:33:27,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:33:27,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:33:27,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224318600] [2022-11-23 15:33:27,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224318600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:33:27,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:33:27,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:33:27,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171298994] [2022-11-23 15:33:27,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:33:27,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:33:27,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:33:27,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:33:27,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:33:27,526 INFO L87 Difference]: Start difference. First operand 68 states and 91 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:33:29,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:33:29,263 INFO L93 Difference]: Finished difference Result 68 states and 91 transitions. [2022-11-23 15:33:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:33:29,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-11-23 15:33:29,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:33:29,265 INFO L225 Difference]: With dead ends: 68 [2022-11-23 15:33:29,265 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 15:33:29,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:33:29,266 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 1 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:33:29,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 314 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:33:29,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 15:33:29,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 15:33:29,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 40 states have (on average 1.45) internal successors, (58), 52 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:33:29,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 90 transitions. [2022-11-23 15:33:29,275 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 90 transitions. Word has length 23 [2022-11-23 15:33:29,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:33:29,276 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 90 transitions. [2022-11-23 15:33:29,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:33:29,276 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-23 15:33:29,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-23 15:33:29,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:33:29,277 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:33:29,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:33:29,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:33:29,497 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:33:29,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:33:29,497 INFO L85 PathProgramCache]: Analyzing trace with hash -431878170, now seen corresponding path program 1 times [2022-11-23 15:33:29,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:33:29,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92082708] [2022-11-23 15:33:29,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:29,498 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 [2022-11-23 15:33:29,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:33:29,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:33:29,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:33:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:33:29,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:33:29,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:33:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:33:29,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:33:29,644 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:33:29,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92082708] [2022-11-23 15:33:29,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92082708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:33:29,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:33:29,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:33:29,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718446711] [2022-11-23 15:33:29,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:33:29,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:33:29,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:33:29,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:33:29,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:33:29,646 INFO L87 Difference]: Start difference. First operand 67 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 15:33:29,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:33:29,684 INFO L93 Difference]: Finished difference Result 117 states and 153 transitions. [2022-11-23 15:33:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:33:29,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2022-11-23 15:33:29,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:33:29,686 INFO L225 Difference]: With dead ends: 117 [2022-11-23 15:33:29,686 INFO L226 Difference]: Without dead ends: 66 [2022-11-23 15:33:29,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:33:29,688 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:33:29,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:33:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-23 15:33:29,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-23 15:33:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 51 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 15:33:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions. [2022-11-23 15:33:29,697 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 37 [2022-11-23 15:33:29,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:33:29,697 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions. [2022-11-23 15:33:29,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 15:33:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2022-11-23 15:33:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-23 15:33:29,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:33:29,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:33:29,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:33:29,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:33:29,922 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:33:29,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:33:29,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1483019648, now seen corresponding path program 1 times [2022-11-23 15:33:29,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:33:29,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71714052] [2022-11-23 15:33:29,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:29,924 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 [2022-11-23 15:33:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:33:29,926 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:33:29,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (7)] Waiting until timeout for monitored process [2022-11-23 15:33:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:33:30,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:33:30,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:33:30,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 15:33:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 15:33:30,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:33:30,165 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:33:30,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71714052] [2022-11-23 15:33:30,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71714052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:33:30,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:33:30,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:33:30,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588006744] [2022-11-23 15:33:30,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:33:30,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:33:30,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:33:30,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:33:30,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:33:30,168 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 15:33:30,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:33:30,323 INFO L93 Difference]: Finished difference Result 67 states and 89 transitions. [2022-11-23 15:33:30,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:33:30,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 39 [2022-11-23 15:33:30,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:33:30,325 INFO L225 Difference]: With dead ends: 67 [2022-11-23 15:33:30,325 INFO L226 Difference]: Without dead ends: 66 [2022-11-23 15:33:30,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:33:30,327 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 3 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:33:30,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 231 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:33:30,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-23 15:33:30,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2022-11-23 15:33:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.4) internal successors, (56), 50 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 15:33:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2022-11-23 15:33:30,335 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 39 [2022-11-23 15:33:30,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:33:30,336 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2022-11-23 15:33:30,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 15:33:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2022-11-23 15:33:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 15:33:30,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:33:30,338 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:33:30,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:33:30,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:33:30,564 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:33:30,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:33:30,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1271035305, now seen corresponding path program 1 times [2022-11-23 15:33:30,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:33:30,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280168495] [2022-11-23 15:33:30,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:30,565 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 [2022-11-23 15:33:30,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:33:30,566 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:33:30,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (8)] Waiting until timeout for monitored process [2022-11-23 15:33:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:33:30,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:33:30,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:33:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 15:33:30,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:33:30,745 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:33:30,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280168495] [2022-11-23 15:33:30,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280168495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:33:30,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:33:30,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:33:30,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5231149] [2022-11-23 15:33:30,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:33:30,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:33:30,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:33:30,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:33:30,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:33:30,748 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 15:33:30,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:33:30,778 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2022-11-23 15:33:30,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:33:30,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 40 [2022-11-23 15:33:30,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:33:30,780 INFO L225 Difference]: With dead ends: 105 [2022-11-23 15:33:30,780 INFO L226 Difference]: Without dead ends: 66 [2022-11-23 15:33:30,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:33:30,782 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:33:30,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:33:30,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-23 15:33:30,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-23 15:33:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 51 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 15:33:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions. [2022-11-23 15:33:30,789 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 40 [2022-11-23 15:33:30,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:33:30,790 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions. [2022-11-23 15:33:30,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 15:33:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2022-11-23 15:33:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-23 15:33:30,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:33:30,791 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:33:30,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:33:31,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:33:31,005 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:33:31,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:33:31,006 INFO L85 PathProgramCache]: Analyzing trace with hash 747263906, now seen corresponding path program 1 times [2022-11-23 15:33:31,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:33:31,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575020201] [2022-11-23 15:33:31,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:31,007 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 [2022-11-23 15:33:31,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:33:31,008 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:33:31,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (9)] Waiting until timeout for monitored process [2022-11-23 15:35:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:35:11,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 15:35:11,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:35:12,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-23 15:35:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 15:35:12,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:35:12,878 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:35:12,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575020201] [2022-11-23 15:35:12,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575020201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:35:12,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:35:12,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:35:12,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238674459] [2022-11-23 15:35:12,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:35:12,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:35:12,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:35:12,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:35:12,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:35:12,881 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 15:35:16,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:35:16,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:35:16,506 INFO L93 Difference]: Finished difference Result 66 states and 87 transitions. [2022-11-23 15:35:16,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:35:16,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2022-11-23 15:35:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:35:16,515 INFO L225 Difference]: With dead ends: 66 [2022-11-23 15:35:16,515 INFO L226 Difference]: Without dead ends: 65 [2022-11-23 15:35:16,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:35:16,516 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 4 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:35:16,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 349 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-23 15:35:16,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-23 15:35:16,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-23 15:35:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 50 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 15:35:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2022-11-23 15:35:16,533 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 41 [2022-11-23 15:35:16,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:35:16,534 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2022-11-23 15:35:16,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 15:35:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2022-11-23 15:35:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 15:35:16,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:35:16,536 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:35:16,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (9)] Forceful destruction successful, exit code 0 [2022-11-23 15:35:16,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:35:16,737 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:35:16,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:35:16,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1690344715, now seen corresponding path program 1 times [2022-11-23 15:35:16,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:35:16,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145547736] [2022-11-23 15:35:16,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:35:16,738 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 [2022-11-23 15:35:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:35:16,739 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:35:16,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (10)] Waiting until timeout for monitored process [2022-11-23 15:36:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:45,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 15:36:45,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:36:47,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-23 15:36:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 15:36:48,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:36:48,335 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:36:48,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145547736] [2022-11-23 15:36:48,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145547736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:48,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:48,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:36:48,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977974041] [2022-11-23 15:36:48,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:48,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:36:48,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:36:48,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:36:48,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:36:48,337 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 15:36:49,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:49,842 INFO L93 Difference]: Finished difference Result 65 states and 86 transitions. [2022-11-23 15:36:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:36:49,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 42 [2022-11-23 15:36:49,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:49,851 INFO L225 Difference]: With dead ends: 65 [2022-11-23 15:36:49,851 INFO L226 Difference]: Without dead ends: 64 [2022-11-23 15:36:49,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:36:49,852 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 1 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:49,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 290 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:36:49,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-23 15:36:49,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-23 15:36:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 15:36:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2022-11-23 15:36:49,860 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 42 [2022-11-23 15:36:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:49,860 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2022-11-23 15:36:49,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 15:36:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-23 15:36:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-23 15:36:49,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:49,862 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:36:49,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (10)] Forceful destruction successful, exit code 0 [2022-11-23 15:36:50,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:36:50,075 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:36:50,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:50,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1921043563, now seen corresponding path program 1 times [2022-11-23 15:36:50,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:36:50,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662851379] [2022-11-23 15:36:50,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:50,077 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 [2022-11-23 15:36:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:36:50,078 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:36:50,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (11)] Waiting until timeout for monitored process [2022-11-23 15:36:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:50,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:36:50,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:36:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:36:50,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:36:50,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:36:50,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662851379] [2022-11-23 15:36:50,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662851379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:50,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:50,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:36:50,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675394274] [2022-11-23 15:36:50,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:50,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:36:50,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:36:50,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:36:50,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:36:50,282 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 15:36:50,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:50,322 INFO L93 Difference]: Finished difference Result 98 states and 124 transitions. [2022-11-23 15:36:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:36:50,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2022-11-23 15:36:50,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:50,323 INFO L225 Difference]: With dead ends: 98 [2022-11-23 15:36:50,323 INFO L226 Difference]: Without dead ends: 64 [2022-11-23 15:36:50,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:36:50,324 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:50,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:36:50,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-23 15:36:50,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-23 15:36:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 48 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-23 15:36:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 84 transitions. [2022-11-23 15:36:50,331 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 84 transitions. Word has length 50 [2022-11-23 15:36:50,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:50,331 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 84 transitions. [2022-11-23 15:36:50,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 15:36:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-11-23 15:36:50,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 15:36:50,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:50,333 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:36:50,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (11)] Forceful destruction successful, exit code 0 [2022-11-23 15:36:50,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:36:50,553 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:36:50,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:50,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1801835281, now seen corresponding path program 1 times [2022-11-23 15:36:50,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:36:50,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712369379] [2022-11-23 15:36:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:50,554 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 [2022-11-23 15:36:50,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:36:50,555 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:36:50,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (12)] Waiting until timeout for monitored process [2022-11-23 15:36:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:50,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:36:50,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:36:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-23 15:36:50,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:36:50,733 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:36:50,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712369379] [2022-11-23 15:36:50,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1712369379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:50,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:50,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:36:50,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087751271] [2022-11-23 15:36:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:50,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:36:50,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:36:50,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:36:50,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:36:50,737 INFO L87 Difference]: Start difference. First operand 64 states and 84 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:36:51,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:51,881 INFO L93 Difference]: Finished difference Result 80 states and 105 transitions. [2022-11-23 15:36:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:36:51,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 57 [2022-11-23 15:36:51,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:51,890 INFO L225 Difference]: With dead ends: 80 [2022-11-23 15:36:51,890 INFO L226 Difference]: Without dead ends: 78 [2022-11-23 15:36:51,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:36:51,892 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 10 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:51,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 160 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 15:36:51,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-23 15:36:51,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 68. [2022-11-23 15:36:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 50 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:36:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 90 transitions. [2022-11-23 15:36:51,910 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 90 transitions. Word has length 57 [2022-11-23 15:36:51,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:51,911 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 90 transitions. [2022-11-23 15:36:51,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:36:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2022-11-23 15:36:51,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 15:36:51,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:51,914 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:36:51,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (12)] Forceful destruction successful, exit code 0 [2022-11-23 15:36:52,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:36:52,115 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:36:52,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2003121461, now seen corresponding path program 1 times [2022-11-23 15:36:52,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:36:52,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774745286] [2022-11-23 15:36:52,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:52,116 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 [2022-11-23 15:36:52,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:36:52,117 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:36:52,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (13)] Waiting until timeout for monitored process [2022-11-23 15:36:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:52,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:36:52,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:36:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 15:36:52,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:36:52,303 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:36:52,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774745286] [2022-11-23 15:36:52,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774745286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:52,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:52,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:36:52,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784393327] [2022-11-23 15:36:52,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:52,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:36:52,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:36:52,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:36:52,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:36:52,306 INFO L87 Difference]: Start difference. First operand 68 states and 90 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:36:52,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:52,322 INFO L93 Difference]: Finished difference Result 88 states and 111 transitions. [2022-11-23 15:36:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:36:52,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 62 [2022-11-23 15:36:52,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:52,324 INFO L225 Difference]: With dead ends: 88 [2022-11-23 15:36:52,324 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 15:36:52,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:36:52,325 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:52,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 222 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:36:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 15:36:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-23 15:36:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 45 states have internal predecessors, (51), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 15:36:52,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2022-11-23 15:36:52,331 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 79 transitions. Word has length 62 [2022-11-23 15:36:52,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:52,331 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 79 transitions. [2022-11-23 15:36:52,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:36:52,332 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2022-11-23 15:36:52,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 15:36:52,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:52,333 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:36:52,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (13)] Forceful destruction successful, exit code 0 [2022-11-23 15:36:52,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:36:52,548 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:36:52,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:52,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1817715966, now seen corresponding path program 1 times [2022-11-23 15:36:52,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:36:52,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490186257] [2022-11-23 15:36:52,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:52,549 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 [2022-11-23 15:36:52,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:36:52,550 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:36:52,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (14)] Waiting until timeout for monitored process [2022-11-23 15:36:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:52,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:36:52,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:36:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-23 15:36:52,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:36:52,731 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:36:52,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490186257] [2022-11-23 15:36:52,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490186257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:52,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:52,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:36:52,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806884223] [2022-11-23 15:36:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:52,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:36:52,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:36:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:36:52,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:36:52,735 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:36:52,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:52,764 INFO L93 Difference]: Finished difference Result 73 states and 92 transitions. [2022-11-23 15:36:52,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:36:52,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 68 [2022-11-23 15:36:52,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:52,767 INFO L225 Difference]: With dead ends: 73 [2022-11-23 15:36:52,767 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 15:36:52,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:36:52,768 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:52,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 215 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:36:52,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 15:36:52,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-23 15:36:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 44 states have internal predecessors, (50), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 15:36:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2022-11-23 15:36:52,774 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 68 [2022-11-23 15:36:52,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:52,775 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2022-11-23 15:36:52,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:36:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-23 15:36:52,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-23 15:36:52,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:52,777 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:36:52,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (14)] Forceful destruction successful, exit code 0 [2022-11-23 15:36:52,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:36:52,991 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:36:52,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:52,992 INFO L85 PathProgramCache]: Analyzing trace with hash -915923075, now seen corresponding path program 1 times [2022-11-23 15:36:52,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:36:52,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468154114] [2022-11-23 15:36:52,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:52,993 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 [2022-11-23 15:36:52,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:36:52,994 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:36:52,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (15)] Waiting until timeout for monitored process [2022-11-23 15:36:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:53,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:36:53,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:36:53,216 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-23 15:36:53,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:36:53,217 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:36:53,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468154114] [2022-11-23 15:36:53,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468154114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:53,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:53,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:36:53,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378287527] [2022-11-23 15:36:53,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:53,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:36:53,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:36:53,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:36:53,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:36:53,218 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:36:55,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:36:55,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:55,534 INFO L93 Difference]: Finished difference Result 67 states and 84 transitions. [2022-11-23 15:36:55,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:36:55,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2022-11-23 15:36:55,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:55,539 INFO L225 Difference]: With dead ends: 67 [2022-11-23 15:36:55,539 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 15:36:55,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:36:55,540 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:55,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 149 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:36:55,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 15:36:55,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-23 15:36:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 44 states have internal predecessors, (49), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 15:36:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2022-11-23 15:36:55,545 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 74 [2022-11-23 15:36:55,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:55,546 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2022-11-23 15:36:55,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:36:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2022-11-23 15:36:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-23 15:36:55,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:36:55,548 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:36:55,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (15)] Forceful destruction successful, exit code 0 [2022-11-23 15:36:55,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:36:55,763 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 15:36:55,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:36:55,764 INFO L85 PathProgramCache]: Analyzing trace with hash 859084287, now seen corresponding path program 1 times [2022-11-23 15:36:55,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:36:55,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429734175] [2022-11-23 15:36:55,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:36:55,764 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 [2022-11-23 15:36:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:36:55,765 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:36:55,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (16)] Waiting until timeout for monitored process [2022-11-23 15:36:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:36:55,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:36:55,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:36:55,985 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 15:36:55,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:36:55,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:36:55,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429734175] [2022-11-23 15:36:55,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429734175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:36:55,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:36:55,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:36:55,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992906701] [2022-11-23 15:36:55,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:36:55,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:36:55,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:36:55,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:36:55,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:36:55,987 INFO L87 Difference]: Start difference. First operand 61 states and 77 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:36:56,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:36:56,007 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2022-11-23 15:36:56,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:36:56,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2022-11-23 15:36:56,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:36:56,008 INFO L225 Difference]: With dead ends: 64 [2022-11-23 15:36:56,008 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:36:56,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:36:56,009 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:36:56,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:36:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:36:56,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:36:56,011 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) [2022-11-23 15:36:56,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:36:56,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2022-11-23 15:36:56,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:36:56,011 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:36:56,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:36:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:36:56,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:36:56,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-23 15:36:56,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-23 15:36:56,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-23 15:36:56,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-23 15:36:56,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-23 15:36:56,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-23 15:36:56,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-23 15:36:56,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-23 15:36:56,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-23 15:36:56,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-23 15:36:56,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 (16)] Forceful destruction successful, exit code 0 [2022-11-23 15:36:56,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:36:56,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:36:56,273 INFO L902 garLoopResultBuilder]: At program point globalReturnsFalseENTRY(lines 1514 1517) the Hoare annotation is: true [2022-11-23 15:36:56,273 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseFINAL(lines 1514 1517) no Hoare annotation was computed. [2022-11-23 15:36:56,273 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2022-11-23 15:36:56,274 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 15:36:56,275 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 15:36:56,275 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 15:36:56,275 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 15:36:56,275 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 15:36:56,275 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 15:36:56,276 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 15:36:56,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1867) no Hoare annotation was computed. [2022-11-23 15:36:56,276 INFO L902 garLoopResultBuilder]: At program point L1910(line 1910) the Hoare annotation is: true [2022-11-23 15:36:56,276 INFO L902 garLoopResultBuilder]: At program point L1902(line 1902) the Hoare annotation is: true [2022-11-23 15:36:56,277 INFO L899 garLoopResultBuilder]: For program point L1869(line 1869) no Hoare annotation was computed. [2022-11-23 15:36:56,277 INFO L899 garLoopResultBuilder]: For program point L1902-1(lines 1902 1905) no Hoare annotation was computed. [2022-11-23 15:36:56,277 INFO L902 garLoopResultBuilder]: At program point L1836(line 1836) the Hoare annotation is: true [2022-11-23 15:36:56,277 INFO L899 garLoopResultBuilder]: For program point L1869-1(line 1869) no Hoare annotation was computed. [2022-11-23 15:36:56,277 INFO L899 garLoopResultBuilder]: For program point L1836-1(lines 1836 1839) no Hoare annotation was computed. [2022-11-23 15:36:56,278 INFO L895 garLoopResultBuilder]: At program point L1902-3(lines 1902 1905) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B2_~data~3#1|) [2022-11-23 15:36:56,278 INFO L902 garLoopResultBuilder]: At program point L1836-3(lines 1836 1839) the Hoare annotation is: true [2022-11-23 15:36:56,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1893) no Hoare annotation was computed. [2022-11-23 15:36:56,278 INFO L902 garLoopResultBuilder]: At program point L1927(lines 1921 1928) the Hoare annotation is: true [2022-11-23 15:36:56,278 INFO L902 garLoopResultBuilder]: At program point L1894(line 1894) the Hoare annotation is: true [2022-11-23 15:36:56,278 INFO L902 garLoopResultBuilder]: At program point L1861(line 1861) the Hoare annotation is: true [2022-11-23 15:36:56,279 INFO L899 garLoopResultBuilder]: For program point L1861-1(lines 1861 1864) no Hoare annotation was computed. [2022-11-23 15:36:56,279 INFO L902 garLoopResultBuilder]: At program point L1861-3(lines 1861 1864) the Hoare annotation is: true [2022-11-23 15:36:56,279 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1846) no Hoare annotation was computed. [2022-11-23 15:36:56,279 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:36:56,279 INFO L902 garLoopResultBuilder]: At program point L1853(line 1853) the Hoare annotation is: true [2022-11-23 15:36:56,279 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 15:36:56,280 INFO L899 garLoopResultBuilder]: For program point L1853-1(lines 1840 1855) no Hoare annotation was computed. [2022-11-23 15:36:56,280 INFO L899 garLoopResultBuilder]: For program point L1878(lines 1878 1897) no Hoare annotation was computed. [2022-11-23 15:36:56,280 INFO L902 garLoopResultBuilder]: At program point L1870(line 1870) the Hoare annotation is: true [2022-11-23 15:36:56,280 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1909) no Hoare annotation was computed. [2022-11-23 15:36:56,280 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2022-11-23 15:36:56,280 INFO L899 garLoopResultBuilder]: For program point L1846(line 1846) no Hoare annotation was computed. [2022-11-23 15:36:56,281 INFO L899 garLoopResultBuilder]: For program point L1846-1(line 1846) no Hoare annotation was computed. [2022-11-23 15:36:56,281 INFO L899 garLoopResultBuilder]: For program point L1846-3(lines 1846 1854) no Hoare annotation was computed. [2022-11-23 15:36:56,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1909) no Hoare annotation was computed. [2022-11-23 15:36:56,281 INFO L899 garLoopResultBuilder]: For program point L1914(lines 1914 1920) no Hoare annotation was computed. [2022-11-23 15:36:56,281 INFO L899 garLoopResultBuilder]: For program point L1848(line 1848) no Hoare annotation was computed. [2022-11-23 15:36:56,281 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2022-11-23 15:36:56,282 INFO L899 garLoopResultBuilder]: For program point L1906(lines 1906 1912) no Hoare annotation was computed. [2022-11-23 15:36:56,282 INFO L899 garLoopResultBuilder]: For program point L1840(lines 1840 1855) no Hoare annotation was computed. [2022-11-23 15:36:56,282 INFO L899 garLoopResultBuilder]: For program point L1898(lines 1898 1913) no Hoare annotation was computed. [2022-11-23 15:36:56,283 INFO L899 garLoopResultBuilder]: For program point L1865(lines 1865 1876) no Hoare annotation was computed. [2022-11-23 15:36:56,283 INFO L899 garLoopResultBuilder]: For program point L1832(lines 1832 1856) no Hoare annotation was computed. [2022-11-23 15:36:56,283 INFO L899 garLoopResultBuilder]: For program point L1865-1(lines 1865 1876) no Hoare annotation was computed. [2022-11-23 15:36:56,283 INFO L899 garLoopResultBuilder]: For program point L1890(lines 1890 1896) no Hoare annotation was computed. [2022-11-23 15:36:56,283 INFO L899 garLoopResultBuilder]: For program point L1857(lines 1857 1877) no Hoare annotation was computed. [2022-11-23 15:36:56,283 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 15:36:56,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2022-11-23 15:36:56,284 INFO L902 garLoopResultBuilder]: At program point L1882(line 1882) the Hoare annotation is: true [2022-11-23 15:36:56,284 INFO L902 garLoopResultBuilder]: At program point L1849(line 1849) the Hoare annotation is: true [2022-11-23 15:36:56,284 INFO L899 garLoopResultBuilder]: For program point L1882-1(lines 1882 1889) no Hoare annotation was computed. [2022-11-23 15:36:56,284 INFO L895 garLoopResultBuilder]: At program point L1882-2(lines 1882 1889) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-23 15:36:56,284 INFO L902 garLoopResultBuilder]: At program point L1874(line 1874) the Hoare annotation is: true [2022-11-23 15:36:56,285 INFO L902 garLoopResultBuilder]: At program point L1924(line 1924) the Hoare annotation is: true [2022-11-23 15:36:56,285 INFO L899 garLoopResultBuilder]: For program point L1924-1(line 1924) no Hoare annotation was computed. [2022-11-23 15:36:56,285 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:36:56,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2022-11-23 15:36:56,286 INFO L895 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: false [2022-11-23 15:36:56,286 INFO L899 garLoopResultBuilder]: For program point L1867(line 1867) no Hoare annotation was computed. [2022-11-23 15:36:56,286 INFO L899 garLoopResultBuilder]: For program point L1867-1(line 1867) no Hoare annotation was computed. [2022-11-23 15:36:56,286 INFO L899 garLoopResultBuilder]: For program point L1867-3(lines 1867 1875) no Hoare annotation was computed. [2022-11-23 15:36:56,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2022-11-23 15:36:56,287 INFO L895 garLoopResultBuilder]: At program point L1884(line 1884) the Hoare annotation is: false [2022-11-23 15:36:56,287 INFO L899 garLoopResultBuilder]: For program point L1909(line 1909) no Hoare annotation was computed. [2022-11-23 15:36:56,288 INFO L899 garLoopResultBuilder]: For program point L1909-1(line 1909) no Hoare annotation was computed. [2022-11-23 15:36:56,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1893) no Hoare annotation was computed. [2022-11-23 15:36:56,289 INFO L902 garLoopResultBuilder]: At program point L1926(line 1926) the Hoare annotation is: true [2022-11-23 15:36:56,289 INFO L899 garLoopResultBuilder]: For program point L1893(line 1893) no Hoare annotation was computed. [2022-11-23 15:36:56,289 INFO L899 garLoopResultBuilder]: For program point L1926-1(line 1926) no Hoare annotation was computed. [2022-11-23 15:36:56,289 INFO L899 garLoopResultBuilder]: For program point L1893-1(line 1893) no Hoare annotation was computed. [2022-11-23 15:36:56,289 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueFINAL(lines 1510 1513) no Hoare annotation was computed. [2022-11-23 15:36:56,289 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueENTRY(lines 1510 1513) the Hoare annotation is: true [2022-11-23 15:36:56,289 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2022-11-23 15:36:56,293 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:36:56,296 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:36:56,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:36:56 BoogieIcfgContainer [2022-11-23 15:36:56,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:36:56,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:36:56,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:36:56,307 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:36:56,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:30:01" (3/4) ... [2022-11-23 15:36:56,311 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:36:56,318 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-11-23 15:36:56,318 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 15:36:56,318 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 15:36:56,319 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-11-23 15:36:56,330 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-23 15:36:56,331 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-23 15:36:56,331 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:36:56,331 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:36:56,404 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:36:56,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:36:56,407 INFO L158 Benchmark]: Toolchain (without parser) took 420929.72ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 48.6MB in the beginning and 73.1MB in the end (delta: -24.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-23 15:36:56,408 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:36:56,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2172.92ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 48.4MB in the beginning and 72.7MB in the end (delta: -24.3MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-23 15:36:56,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.43ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 68.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:36:56,408 INFO L158 Benchmark]: Boogie Preprocessor took 48.05ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:36:56,409 INFO L158 Benchmark]: RCFGBuilder took 3969.64ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 46.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 15:36:56,409 INFO L158 Benchmark]: TraceAbstraction took 414549.34ms. Allocated memory is still 109.1MB. Free memory was 45.4MB in the beginning and 47.0MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:36:56,409 INFO L158 Benchmark]: Witness Printer took 97.52ms. Allocated memory is still 109.1MB. Free memory was 47.0MB in the beginning and 73.1MB in the end (delta: -26.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:36:56,411 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 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2172.92ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 48.4MB in the beginning and 72.7MB in the end (delta: -24.3MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.43ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 68.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.05ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3969.64ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 46.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 414549.34ms. Allocated memory is still 109.1MB. Free memory was 45.4MB in the beginning and 47.0MB in the end (delta: -1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 97.52ms. Allocated memory is still 109.1MB. Free memory was 47.0MB in the beginning and 73.1MB in the end (delta: -26.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1846]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1867]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: 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 5 procedures, 77 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 414.5s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 3604 SdHoareTripleChecker+Invalid, 10.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2380 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 321 IncrementalHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1224 mSDtfsCounter, 321 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 663 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 78 PreInvPairs, 88 NumberOfFragments, 27 HoareAnnotationTreeSize, 78 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 385.2s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 670 NumberOfCodeBlocks, 670 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 655 ConstructedInterpolants, 10 QuantifiedInterpolants, 1427 SizeOfPredicates, 40 NumberOfNonLiveVariables, 2221 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 348/348 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 10 specifications checked. All of them hold - InvariantResult [Line: 1921]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:36:56,667 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 15:36:56,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a4e1cd0-1c6c-45ba-a7bb-865b776ecf93/bin/utaipan-Q6hlc19bkW/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