./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a43c42ddbfdb3d931703f2a7d7efd951cf1bf9c5e4f9d35ed9d45272690fbfa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:18:01,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:18:01,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:18:01,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:18:01,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:18:01,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:18:01,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:18:01,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:18:01,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:18:01,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:18:01,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:18:01,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:18:01,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:18:01,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:18:01,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:18:01,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:18:01,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:18:01,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:18:01,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:18:01,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:18:01,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:18:01,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:18:01,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:18:01,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:18:01,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:18:01,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:18:01,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:18:01,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:18:01,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:18:01,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:18:01,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:18:01,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:18:01,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:18:01,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:18:01,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:18:01,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:18:01,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:18:01,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:18:01,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:18:01,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:18:01,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:18:01,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:18:01,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:18:01,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:18:01,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:18:01,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:18:01,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:18:01,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:18:01,883 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:18:01,883 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:18:01,884 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:18:01,884 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:18:01,884 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:18:01,884 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:18:01,885 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:18:01,885 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:18:01,885 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:18:01,885 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:18:01,885 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:18:01,886 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:18:01,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:18:01,887 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:18:01,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:18:01,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:18:01,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:18:01,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:18:01,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:18:01,888 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:18:01,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:18:01,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:18:01,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:18:01,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:18:01,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:18:01,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:01,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:18:01,890 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:18:01,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:18:01,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:18:01,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:18:01,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:18:01,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:18:01,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:18:01,891 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_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a43c42ddbfdb3d931703f2a7d7efd951cf1bf9c5e4f9d35ed9d45272690fbfa [2022-11-25 23:18:02,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:18:02,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:18:02,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:18:02,164 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:18:02,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:18:02,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i [2022-11-25 23:18:05,276 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:18:05,823 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:18:05,824 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i [2022-11-25 23:18:05,858 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/data/4ef309529/8c9fe3305c894c998637f5faed02eab3/FLAGfc1e32ea2 [2022-11-25 23:18:05,880 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/data/4ef309529/8c9fe3305c894c998637f5faed02eab3 [2022-11-25 23:18:05,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:18:05,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:18:05,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:05,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:18:05,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:18:05,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:05" (1/1) ... [2022-11-25 23:18:05,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfc522d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:05, skipping insertion in model container [2022-11-25 23:18:05,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:05" (1/1) ... [2022-11-25 23:18:05,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:18:06,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:18:06,614 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:18:07,286 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:18:07,293 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:18:07,295 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:18:07,298 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:18:07,298 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:18:07,888 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1653) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-25 23:18:07,905 INFO L158 Benchmark]: Toolchain (without parser) took 2015.09ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 109.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 23:18:07,906 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 61.7MB in the beginning and 61.5MB in the end (delta: 144.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:18:07,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2008.15ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 109.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 23:18:07,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 61.7MB in the beginning and 61.5MB in the end (delta: 144.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2008.15ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 109.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a43c42ddbfdb3d931703f2a7d7efd951cf1bf9c5e4f9d35ed9d45272690fbfa --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:18:10,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:18:10,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:18:10,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:18:10,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:18:10,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:18:10,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:18:10,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:18:10,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:18:10,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:18:10,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:18:10,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:18:10,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:18:10,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:18:10,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:18:10,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:18:10,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:18:10,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:18:10,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:18:10,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:18:10,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:18:10,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:18:10,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:18:10,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:18:10,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:18:10,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:18:10,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:18:10,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:18:10,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:18:10,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:18:10,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:18:10,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:18:10,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:18:10,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:18:10,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:18:10,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:18:10,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:18:10,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:18:10,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:18:10,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:18:10,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:18:10,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:18:10,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:18:10,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:18:10,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:18:10,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:18:10,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:18:10,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:18:10,399 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:18:10,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:18:10,400 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:18:10,400 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:18:10,401 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:18:10,401 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:18:10,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:18:10,402 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:18:10,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:18:10,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:18:10,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:18:10,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:18:10,403 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:18:10,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:18:10,404 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:18:10,404 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:18:10,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:18:10,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:18:10,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:18:10,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:18:10,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:18:10,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:18:10,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:10,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:18:10,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:18:10,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:18:10,407 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:18:10,407 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:18:10,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:18:10,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:18:10,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:18:10,408 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_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a43c42ddbfdb3d931703f2a7d7efd951cf1bf9c5e4f9d35ed9d45272690fbfa [2022-11-25 23:18:10,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:18:10,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:18:10,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:18:10,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:18:10,829 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:18:10,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i [2022-11-25 23:18:13,946 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:18:14,391 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:18:14,392 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_12_good.i [2022-11-25 23:18:14,425 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/data/bcb0dcd24/b3764d294a114bdb86ebc10ad5534eda/FLAG9dbcaac0d [2022-11-25 23:18:14,450 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/data/bcb0dcd24/b3764d294a114bdb86ebc10ad5534eda [2022-11-25 23:18:14,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:18:14,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:18:14,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:14,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:18:14,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:18:14,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:14" (1/1) ... [2022-11-25 23:18:14,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78084899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:14, skipping insertion in model container [2022-11-25 23:18:14,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:18:14" (1/1) ... [2022-11-25 23:18:14,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:18:14,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:18:14,938 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:18:15,693 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:18:15,699 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:18:15,703 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:18:15,712 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:18:15,713 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:18:16,168 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:18:16,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:18:16,184 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:18:16,207 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:18:16,273 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:18:16,275 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:18:16,277 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:18:16,279 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:18:16,280 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:18:16,300 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:18:16,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:18:16,587 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:18:16,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16 WrapperNode [2022-11-25 23:18:16,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:18:16,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:18:16,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:18:16,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:18:16,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,672 INFO L138 Inliner]: procedures = 944, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2022-11-25 23:18:16,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:18:16,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:18:16,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:18:16,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:18:16,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:18:16,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:18:16,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:18:16,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:18:16,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (1/1) ... [2022-11-25 23:18:16,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:18:16,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:18:16,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:18:16,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:18:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:18:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:18:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-25 23:18:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-25 23:18:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:18:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:18:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:18:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:18:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:18:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:18:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:18:17,038 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:18:17,052 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:18:23,133 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:18:23,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:18:23,141 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:18:23,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:23 BoogieIcfgContainer [2022-11-25 23:18:23,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:18:23,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:18:23,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:18:23,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:18:23,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:18:14" (1/3) ... [2022-11-25 23:18:23,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4246aa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:23, skipping insertion in model container [2022-11-25 23:18:23,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:18:16" (2/3) ... [2022-11-25 23:18:23,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4246aa7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:23, skipping insertion in model container [2022-11-25 23:18:23,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:23" (3/3) ... [2022-11-25 23:18:23,153 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_12_good.i [2022-11-25 23:18:23,173 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:18:23,173 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 23:18:23,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:18:23,236 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;@5b594913, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:18:23,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 23:18:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 52 states have internal predecessors, (59), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 23:18:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 23:18:23,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:23,249 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:23,249 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)] === [2022-11-25 23:18:23,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:23,255 INFO L85 PathProgramCache]: Analyzing trace with hash 764289566, now seen corresponding path program 1 times [2022-11-25 23:18:23,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:18:23,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244339859] [2022-11-25 23:18:23,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:23,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:23,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:18:23,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:18:23,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 23:18:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:23,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:18:23,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:23,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:23,521 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:18:23,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244339859] [2022-11-25 23:18:23,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244339859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:23,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:23,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:18:23,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643820653] [2022-11-25 23:18:23,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:23,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:23,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:18:23,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:23,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:23,565 INFO L87 Difference]: Start difference. First operand has 64 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 52 states have internal predecessors, (59), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-11-25 23:18:24,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 23:18:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:26,146 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2022-11-25 23:18:26,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:18:26,160 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 22 [2022-11-25 23:18:26,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:26,169 INFO L225 Difference]: With dead ends: 65 [2022-11-25 23:18:26,170 INFO L226 Difference]: Without dead ends: 55 [2022-11-25 23:18:26,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:26,179 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:26,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 218 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-25 23:18:26,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-25 23:18:26,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2022-11-25 23:18:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.5454545454545454) internal successors, (51), 44 states have internal predecessors, (51), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 23:18:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-11-25 23:18:26,228 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 22 [2022-11-25 23:18:26,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:26,229 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-11-25 23:18:26,229 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) [2022-11-25 23:18:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-11-25 23:18:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 23:18:26,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:26,232 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:26,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-25 23:18:26,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:26,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:26,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:26,446 INFO L85 PathProgramCache]: Analyzing trace with hash 764311412, now seen corresponding path program 1 times [2022-11-25 23:18:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:18:26,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397200521] [2022-11-25 23:18:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:26,448 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:26,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:18:26,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:18:26,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 23:18:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:26,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:18:26,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:26,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:26,693 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:18:26,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397200521] [2022-11-25 23:18:26,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397200521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:26,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:26,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:18:26,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491884905] [2022-11-25 23:18:26,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:26,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:26,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:18:26,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:26,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:26,704 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. 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) [2022-11-25 23:18:28,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 23:18:31,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 23:18:31,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:31,072 INFO L93 Difference]: Finished difference Result 55 states and 71 transitions. [2022-11-25 23:18:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:18:31,079 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 22 [2022-11-25 23:18:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:31,081 INFO L225 Difference]: With dead ends: 55 [2022-11-25 23:18:31,081 INFO L226 Difference]: Without dead ends: 54 [2022-11-25 23:18:31,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:31,083 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:31,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 176 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 23:18:31,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-25 23:18:31,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2022-11-25 23:18:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 43 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 23:18:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-25 23:18:31,094 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 22 [2022-11-25 23:18:31,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:31,094 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-25 23:18:31,095 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) [2022-11-25 23:18:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-25 23:18:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 23:18:31,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:31,096 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:31,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:31,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:31,311 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)] === [2022-11-25 23:18:31,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:31,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2076823116, now seen corresponding path program 1 times [2022-11-25 23:18:31,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:18:31,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245719359] [2022-11-25 23:18:31,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:31,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:31,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:18:31,315 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:18:31,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 23:18:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:31,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:31,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:31,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:31,469 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:18:31,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245719359] [2022-11-25 23:18:31,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245719359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:31,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:31,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:18:31,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021752463] [2022-11-25 23:18:31,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:31,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:31,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:18:31,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:31,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:31,474 INFO L87 Difference]: Start difference. First operand 53 states and 68 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) [2022-11-25 23:18:31,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:31,504 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions. [2022-11-25 23:18:31,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:31,505 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 23 [2022-11-25 23:18:31,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:31,507 INFO L225 Difference]: With dead ends: 78 [2022-11-25 23:18:31,507 INFO L226 Difference]: Without dead ends: 54 [2022-11-25 23:18:31,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:31,509 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 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 [2022-11-25 23:18:31,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:31,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-25 23:18:31,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-25 23:18:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.5) internal successors, (51), 44 states have internal predecessors, (51), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 23:18:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-11-25 23:18:31,520 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 23 [2022-11-25 23:18:31,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:31,521 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-11-25 23:18:31,521 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) [2022-11-25 23:18:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-11-25 23:18:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 23:18:31,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:31,522 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:31,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:31,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:31,727 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:31,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:31,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2076145868, now seen corresponding path program 1 times [2022-11-25 23:18:31,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:18:31,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489327530] [2022-11-25 23:18:31,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:31,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:31,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:18:31,736 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:18:31,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 23:18:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:31,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:18:31,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:18:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:18:31,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:18:31,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:18:31,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489327530] [2022-11-25 23:18:31,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489327530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:31,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:31,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:18:31,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645210829] [2022-11-25 23:18:31,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:31,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:18:31,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:18:31,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:18:31,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:31,895 INFO L87 Difference]: Start difference. First operand 54 states and 69 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) [2022-11-25 23:18:31,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:31,927 INFO L93 Difference]: Finished difference Result 79 states and 96 transitions. [2022-11-25 23:18:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:18:31,928 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 23 [2022-11-25 23:18:31,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:31,930 INFO L225 Difference]: With dead ends: 79 [2022-11-25 23:18:31,930 INFO L226 Difference]: Without dead ends: 55 [2022-11-25 23:18:31,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:18:31,932 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 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 [2022-11-25 23:18:31,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:18:31,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-25 23:18:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-25 23:18:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 35 states have (on average 1.4857142857142858) internal successors, (52), 45 states have internal predecessors, (52), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 23:18:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2022-11-25 23:18:31,941 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 23 [2022-11-25 23:18:31,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:31,942 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2022-11-25 23:18:31,942 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) [2022-11-25 23:18:31,943 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-11-25 23:18:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 23:18:31,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:31,944 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:31,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:18:32,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:32,161 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:18:32,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:32,161 INFO L85 PathProgramCache]: Analyzing trace with hash 42867936, now seen corresponding path program 1 times [2022-11-25 23:18:32,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:18:32,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746619408] [2022-11-25 23:18:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:32,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:18:32,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:18:32,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:18:32,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 23:19:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:47,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:19:47,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:19:49,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:49,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:49,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746619408] [2022-11-25 23:19:49,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746619408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:49,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:49,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:19:49,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649334739] [2022-11-25 23:19:49,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:49,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:19:49,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:49,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:19:49,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:19:49,512 INFO L87 Difference]: Start difference. First operand 55 states and 70 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) [2022-11-25 23:19:53,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:19:55,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:19:56,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:56,052 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2022-11-25 23:19:56,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:19:56,053 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 24 [2022-11-25 23:19:56,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:56,055 INFO L225 Difference]: With dead ends: 68 [2022-11-25 23:19:56,055 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 23:19:56,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:19:56,058 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 22 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:56,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 265 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-25 23:19:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 23:19:56,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 54. [2022-11-25 23:19:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.457142857142857) internal successors, (51), 44 states have internal predecessors, (51), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 23:19:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-11-25 23:19:56,071 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 24 [2022-11-25 23:19:56,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:56,072 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-11-25 23:19:56,072 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) [2022-11-25 23:19:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-11-25 23:19:56,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 23:19:56,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:56,074 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:56,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:56,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:56,291 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:19:56,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:56,291 INFO L85 PathProgramCache]: Analyzing trace with hash 63862646, now seen corresponding path program 1 times [2022-11-25 23:19:56,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:56,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093614305] [2022-11-25 23:19:56,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:56,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:56,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:56,294 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:56,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 23:21:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:00,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:21:00,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:21:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:21:02,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:21:02,334 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:21:02,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093614305] [2022-11-25 23:21:02,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093614305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:02,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:02,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:21:02,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516950945] [2022-11-25 23:21:02,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:02,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:21:02,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:21:02,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:21:02,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:21:02,336 INFO L87 Difference]: Start difference. First operand 54 states and 69 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) [2022-11-25 23:21:05,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 23:21:07,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:21:09,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:21:09,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:09,382 INFO L93 Difference]: Finished difference Result 67 states and 84 transitions. [2022-11-25 23:21:09,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:21:09,383 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 24 [2022-11-25 23:21:09,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:09,385 INFO L225 Difference]: With dead ends: 67 [2022-11-25 23:21:09,385 INFO L226 Difference]: Without dead ends: 66 [2022-11-25 23:21:09,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:21:09,386 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 22 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:09,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 255 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-25 23:21:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-25 23:21:09,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 53. [2022-11-25 23:21:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 43 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 23:21:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-25 23:21:09,394 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 24 [2022-11-25 23:21:09,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:09,394 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-25 23:21:09,394 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) [2022-11-25 23:21:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-25 23:21:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:21:09,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:09,396 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:09,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:21:09,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:21:09,617 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:21:09,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:09,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1328906102, now seen corresponding path program 1 times [2022-11-25 23:21:09,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:21:09,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052389123] [2022-11-25 23:21:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:09,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:21:09,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:21:09,619 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:21:09,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-25 23:22:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:20,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:22:20,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:22:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:22:21,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:22:21,773 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:22:21,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052389123] [2022-11-25 23:22:21,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052389123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:21,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:21,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:22:21,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923800839] [2022-11-25 23:22:21,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:21,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:22:21,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:22:21,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:22:21,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:22:21,775 INFO L87 Difference]: Start difference. First operand 53 states and 68 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) [2022-11-25 23:22:25,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:22:25,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:25,457 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2022-11-25 23:22:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:22:25,458 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 25 [2022-11-25 23:22:25,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:25,459 INFO L225 Difference]: With dead ends: 66 [2022-11-25 23:22:25,459 INFO L226 Difference]: Without dead ends: 65 [2022-11-25 23:22:25,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:22:25,460 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 19 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:25,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 201 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-25 23:22:25,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-25 23:22:25,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 52. [2022-11-25 23:22:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.4) internal successors, (49), 42 states have internal predecessors, (49), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 23:22:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2022-11-25 23:22:25,466 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 25 [2022-11-25 23:22:25,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:25,472 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2022-11-25 23:22:25,472 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) [2022-11-25 23:22:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2022-11-25 23:22:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:22:25,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:25,476 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:22:25,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:22:25,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:22:25,691 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:22:25,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:25,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1979742134, now seen corresponding path program 1 times [2022-11-25 23:22:25,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:22:25,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829433486] [2022-11-25 23:22:25,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:25,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:22:25,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:22:25,693 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:22:25,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-25 23:23:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:41,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:23:41,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:23:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:23:44,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:23:44,364 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:23:44,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1829433486] [2022-11-25 23:23:44,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1829433486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:44,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:44,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:23:44,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061428265] [2022-11-25 23:23:44,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:44,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:23:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:23:44,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:23:44,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:23:44,366 INFO L87 Difference]: Start difference. First operand 52 states and 67 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) [2022-11-25 23:23:47,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:23:49,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 23:23:49,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:49,884 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2022-11-25 23:23:49,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:23:49,885 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 25 [2022-11-25 23:23:49,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:49,886 INFO L225 Difference]: With dead ends: 65 [2022-11-25 23:23:49,886 INFO L226 Difference]: Without dead ends: 64 [2022-11-25 23:23:49,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:23:49,888 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 19 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:49,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 241 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 23:23:49,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-25 23:23:49,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 51. [2022-11-25 23:23:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 41 states have internal predecessors, (48), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 23:23:49,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2022-11-25 23:23:49,897 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 25 [2022-11-25 23:23:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:49,898 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2022-11-25 23:23:49,898 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) [2022-11-25 23:23:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-11-25 23:23:49,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-25 23:23:49,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:49,900 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 23:23:49,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:23:50,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:23:50,120 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:23:50,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:50,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1958210932, now seen corresponding path program 1 times [2022-11-25 23:23:50,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:23:50,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862547283] [2022-11-25 23:23:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:50,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:23:50,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:23:50,123 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:23:50,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-25 23:23:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:50,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:23:50,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:23:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-25 23:23:50,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:23:50,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:23:50,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862547283] [2022-11-25 23:23:50,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862547283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:50,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:50,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:23:50,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821422865] [2022-11-25 23:23:50,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:50,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:23:50,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:23:50,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:23:50,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:50,300 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:23:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:50,610 INFO L93 Difference]: Finished difference Result 51 states and 66 transitions. [2022-11-25 23:23:50,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:23:50,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2022-11-25 23:23:50,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:50,616 INFO L225 Difference]: With dead ends: 51 [2022-11-25 23:23:50,616 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:23:50,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:50,618 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:50,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 110 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:23:50,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:23:50,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:23:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:23:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:23:50,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-11-25 23:23:50,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:50,620 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:23:50,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:23:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:23:50,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:23:50,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 23:23:50,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 23:23:50,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 23:23:50,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 23:23:50,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 23:23:50,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 23:23:50,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 23:23:50,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 23:23:50,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 23:23:50,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 23:23:50,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:23:50,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:23:50,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:23:51,649 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:23:51,650 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:23:51,650 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 23:23:51,650 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:23:51,650 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseFINAL(lines 1518 1521) no Hoare annotation was computed. [2022-11-25 23:23:51,650 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2022-11-25 23:23:51,650 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueOrFalseENTRY(lines 1518 1521) the Hoare annotation is: true [2022-11-25 23:23:51,650 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:23:51,650 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:23:51,651 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:23:51,651 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1858) no Hoare annotation was computed. [2022-11-25 23:23:51,651 INFO L902 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: true [2022-11-25 23:23:51,651 INFO L899 garLoopResultBuilder]: For program point L1881(lines 1881 1894) no Hoare annotation was computed. [2022-11-25 23:23:51,651 INFO L899 garLoopResultBuilder]: For program point L1848(line 1848) no Hoare annotation was computed. [2022-11-25 23:23:51,651 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2022-11-25 23:23:51,651 INFO L899 garLoopResultBuilder]: For program point L1844(lines 1844 1867) no Hoare annotation was computed. [2022-11-25 23:23:51,651 INFO L902 garLoopResultBuilder]: At program point L1906(line 1906) the Hoare annotation is: true [2022-11-25 23:23:51,652 INFO L902 garLoopResultBuilder]: At program point L1873(line 1873) the Hoare annotation is: true [2022-11-25 23:23:51,652 INFO L899 garLoopResultBuilder]: For program point L1906-1(line 1906) no Hoare annotation was computed. [2022-11-25 23:23:51,652 INFO L899 garLoopResultBuilder]: For program point L1873-1(lines 1873 1880) no Hoare annotation was computed. [2022-11-25 23:23:51,652 INFO L895 garLoopResultBuilder]: At program point L1873-3(lines 1873 1880) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-25 23:23:51,653 INFO L895 garLoopResultBuilder]: At program point L1836(line 1836) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0))))) [2022-11-25 23:23:51,653 INFO L899 garLoopResultBuilder]: For program point L1836-1(lines 1836 1843) no Hoare annotation was computed. [2022-11-25 23:23:51,653 INFO L902 garLoopResultBuilder]: At program point L1836-3(lines 1836 1843) the Hoare annotation is: true [2022-11-25 23:23:51,653 INFO L902 garLoopResultBuilder]: At program point L1865(line 1865) the Hoare annotation is: true [2022-11-25 23:23:51,653 INFO L899 garLoopResultBuilder]: For program point L1865-1(lines 1844 1867) no Hoare annotation was computed. [2022-11-25 23:23:51,653 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1884) no Hoare annotation was computed. [2022-11-25 23:23:51,654 INFO L895 garLoopResultBuilder]: At program point L1861(line 1861) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0))))) [2022-11-25 23:23:51,654 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 23:23:51,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1846) no Hoare annotation was computed. [2022-11-25 23:23:51,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:23:51,654 INFO L902 garLoopResultBuilder]: At program point L1853(line 1853) the Hoare annotation is: true [2022-11-25 23:23:51,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1860) no Hoare annotation was computed. [2022-11-25 23:23:51,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 23:23:51,655 INFO L895 garLoopResultBuilder]: At program point L1849(line 1849) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0))))) [2022-11-25 23:23:51,655 INFO L902 garLoopResultBuilder]: At program point L1907(lines 1901 1908) the Hoare annotation is: true [2022-11-25 23:23:51,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1891) no Hoare annotation was computed. [2022-11-25 23:23:51,655 INFO L899 garLoopResultBuilder]: For program point L1891(line 1891) no Hoare annotation was computed. [2022-11-25 23:23:51,655 INFO L899 garLoopResultBuilder]: For program point L1858(line 1858) no Hoare annotation was computed. [2022-11-25 23:23:51,655 INFO L899 garLoopResultBuilder]: For program point L1891-1(line 1891) no Hoare annotation was computed. [2022-11-25 23:23:51,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2022-11-25 23:23:51,655 INFO L899 garLoopResultBuilder]: For program point L1858-1(line 1858) no Hoare annotation was computed. [2022-11-25 23:23:51,656 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:23:51,656 INFO L899 garLoopResultBuilder]: For program point L1858-3(lines 1858 1866) no Hoare annotation was computed. [2022-11-25 23:23:51,656 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1860) no Hoare annotation was computed. [2022-11-25 23:23:51,656 INFO L899 garLoopResultBuilder]: For program point L1846(line 1846) no Hoare annotation was computed. [2022-11-25 23:23:51,656 INFO L899 garLoopResultBuilder]: For program point L1846-1(line 1846) no Hoare annotation was computed. [2022-11-25 23:23:51,656 INFO L899 garLoopResultBuilder]: For program point L1846-3(lines 1846 1854) no Hoare annotation was computed. [2022-11-25 23:23:51,656 INFO L899 garLoopResultBuilder]: For program point L1842(line 1842) no Hoare annotation was computed. [2022-11-25 23:23:51,656 INFO L902 garLoopResultBuilder]: At program point L1904(line 1904) the Hoare annotation is: true [2022-11-25 23:23:51,656 INFO L899 garLoopResultBuilder]: For program point L1842-2(line 1842) no Hoare annotation was computed. [2022-11-25 23:23:51,657 INFO L899 garLoopResultBuilder]: For program point L1904-1(line 1904) no Hoare annotation was computed. [2022-11-25 23:23:51,657 INFO L899 garLoopResultBuilder]: For program point L1838(line 1838) no Hoare annotation was computed. [2022-11-25 23:23:51,657 INFO L899 garLoopResultBuilder]: For program point L1838-2(line 1838) no Hoare annotation was computed. [2022-11-25 23:23:51,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1891) no Hoare annotation was computed. [2022-11-25 23:23:51,657 INFO L899 garLoopResultBuilder]: For program point L1896(lines 1896 1900) no Hoare annotation was computed. [2022-11-25 23:23:51,657 INFO L902 garLoopResultBuilder]: At program point L1892(line 1892) the Hoare annotation is: true [2022-11-25 23:23:51,657 INFO L899 garLoopResultBuilder]: For program point L1892-1(lines 1869 1895) no Hoare annotation was computed. [2022-11-25 23:23:51,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2022-11-25 23:23:51,658 INFO L899 garLoopResultBuilder]: For program point L1884(line 1884) no Hoare annotation was computed. [2022-11-25 23:23:51,658 INFO L899 garLoopResultBuilder]: For program point L1884-1(line 1884) no Hoare annotation was computed. [2022-11-25 23:23:51,658 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1884) no Hoare annotation was computed. [2022-11-25 23:23:51,658 INFO L899 garLoopResultBuilder]: For program point L1860(line 1860) no Hoare annotation was computed. [2022-11-25 23:23:51,658 INFO L899 garLoopResultBuilder]: For program point L1860-1(line 1860) no Hoare annotation was computed. [2022-11-25 23:23:51,662 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:51,665 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:23:51,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:23:51 BoogieIcfgContainer [2022-11-25 23:23:51,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:23:51,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:23:51,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:23:51,673 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:23:51,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:23" (3/4) ... [2022-11-25 23:23:51,677 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:23:51,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:23:51,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-25 23:23:51,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:23:51,689 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-25 23:23:51,690 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 23:23:51,690 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:23:51,691 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:23:51,766 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:23:51,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:23:51,767 INFO L158 Benchmark]: Toolchain (without parser) took 337311.29ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.9MB in the beginning and 68.3MB in the end (delta: -5.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-25 23:23:51,767 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:23:51,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2129.75ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.7MB in the beginning and 53.5MB in the end (delta: 9.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-11-25 23:23:51,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.64ms. Allocated memory is still 104.9MB. Free memory was 53.5MB in the beginning and 49.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:23:51,769 INFO L158 Benchmark]: Boogie Preprocessor took 43.24ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:23:51,769 INFO L158 Benchmark]: RCFGBuilder took 6426.48ms. Allocated memory is still 104.9MB. Free memory was 47.0MB in the beginning and 71.8MB in the end (delta: -24.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-11-25 23:23:51,769 INFO L158 Benchmark]: TraceAbstraction took 328526.87ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 72.5MB in the end (delta: -839.3kB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2022-11-25 23:23:51,770 INFO L158 Benchmark]: Witness Printer took 93.30ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 68.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:23:51,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2129.75ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.7MB in the beginning and 53.5MB in the end (delta: 9.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.64ms. Allocated memory is still 104.9MB. Free memory was 53.5MB in the beginning and 49.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.24ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6426.48ms. Allocated memory is still 104.9MB. Free memory was 47.0MB in the beginning and 71.8MB in the end (delta: -24.9MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 328526.87ms. Allocated memory is still 104.9MB. Free memory was 71.6MB in the beginning and 72.5MB in the end (delta: -839.3kB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 93.30ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 68.3MB in the end (delta: 4.2MB). 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: 1858]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1860]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1860]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1884]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1884]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1891]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1891]: 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 4 procedures, 64 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 328.5s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 30.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 27.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 1722 SdHoareTripleChecker+Invalid, 26.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1119 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 337 IncrementalHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 603 mSDtfsCounter, 337 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 41, 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, 9 MinimizatonAttempts, 54 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 31 PreInvPairs, 35 NumberOfFragments, 126 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 286.0s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 218 ConstructedInterpolants, 10 QuantifiedInterpolants, 782 SizeOfPredicates, 14 NumberOfNonLiveVariables, 727 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 46/46 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: 1901]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:23:52,008 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-25 23:23:52,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a46b3c79-cc65-4dff-a293-188e1614888d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE