./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh --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 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 --- 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-2329fc7 [2022-12-14 04:41:26,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:41:26,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:41:26,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:41:26,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:41:26,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:41:26,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:41:26,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:41:26,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:41:26,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:41:26,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:41:26,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:41:26,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:41:26,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:41:26,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:41:26,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:41:26,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:41:26,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:41:26,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:41:26,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:41:26,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:41:26,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:41:26,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:41:26,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:41:26,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:41:26,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:41:26,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:41:26,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:41:26,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:41:26,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:41:26,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:41:26,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:41:26,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:41:26,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:41:26,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:41:26,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:41:26,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:41:26,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:41:26,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:41:26,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:41:26,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:41:26,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 04:41:26,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:41:26,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:41:26,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:41:26,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:41:26,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:41:26,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:41:26,889 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:41:26,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:41:26,889 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:41:26,889 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:41:26,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:41:26,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:41:26,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:41:26,890 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:41:26,890 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:41:26,891 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:41:26,891 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:41:26,891 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:41:26,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:41:26,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:41:26,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:41:26,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:41:26,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:41:26,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:41:26,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:41:26,893 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:41:26,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:41:26,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:41:26,894 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:41:26,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:41:26,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:41:26,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:41:26,894 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_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 [2022-12-14 04:41:27,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:41:27,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:41:27,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:41:27,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:41:27,081 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:41:27,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2022-12-14 04:41:29,640 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:41:29,886 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:41:29,886 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2022-12-14 04:41:29,899 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/data/5cf76f801/4b952c55f8484764ab12e92919e638ff/FLAGb8796f22a [2022-12-14 04:41:30,242 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/data/5cf76f801/4b952c55f8484764ab12e92919e638ff [2022-12-14 04:41:30,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:41:30,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:41:30,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:41:30,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:41:30,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:41:30,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:41:30" (1/1) ... [2022-12-14 04:41:30,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b933e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:30, skipping insertion in model container [2022-12-14 04:41:30,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:41:30" (1/1) ... [2022-12-14 04:41:30,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:41:30,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:41:30,568 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:41:30,876 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:41:30,880 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:41:30,882 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:41:30,884 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:41:30,885 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:41:30,905 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 04:41:30,912 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:41:30,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:41:30,921 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:41:30,935 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:41:30,966 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:41:30,967 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:41:30,968 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:41:30,969 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:41:30,970 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:41:30,973 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 04:41:30,976 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:41:30,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:41:31,100 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:41:31,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31 WrapperNode [2022-12-14 04:41:31,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:41:31,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:41:31,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:41:31,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:41:31,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,141 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 111 [2022-12-14 04:41:31,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:41:31,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:41:31,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:41:31,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:41:31,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,160 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:41:31,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:41:31,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:41:31,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:41:31,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (1/1) ... [2022-12-14 04:41:31,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:41:31,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:31,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:41:31,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:41:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 04:41:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 04:41:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 04:41:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 04:41:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 04:41:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:41:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 04:41:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:41:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:41:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:41:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:41:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 04:41:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:41:31,323 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:41:31,324 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:41:31,449 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:41:31,475 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:41:31,475 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 04:41:31,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:41:31 BoogieIcfgContainer [2022-12-14 04:41:31,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:41:31,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:41:31,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:41:31,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:41:31,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:41:30" (1/3) ... [2022-12-14 04:41:31,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3e2afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:41:31, skipping insertion in model container [2022-12-14 04:41:31,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:31" (2/3) ... [2022-12-14 04:41:31,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3e2afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:41:31, skipping insertion in model container [2022-12-14 04:41:31,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:41:31" (3/3) ... [2022-12-14 04:41:31,483 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2022-12-14 04:41:31,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:41:31,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-12-14 04:41:31,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:41:31,535 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;@23222efd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:41:31,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-12-14 04:41:31,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 40 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:41:31,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 04:41:31,543 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:31,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:31,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:31,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:31,548 INFO L85 PathProgramCache]: Analyzing trace with hash 879186517, now seen corresponding path program 1 times [2022-12-14 04:41:31,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:31,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200658469] [2022-12-14 04:41:31,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:31,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:41:31,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:31,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200658469] [2022-12-14 04:41:31,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200658469] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:31,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:31,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:31,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899082252] [2022-12-14 04:41:31,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:31,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:41:31,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:31,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:41:31,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:31,741 INFO L87 Difference]: Start difference. First operand has 47 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 40 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:31,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:31,787 INFO L93 Difference]: Finished difference Result 91 states and 108 transitions. [2022-12-14 04:41:31,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:31,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-14 04:41:31,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:31,795 INFO L225 Difference]: With dead ends: 91 [2022-12-14 04:41:31,795 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 04:41:31,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:31,799 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 7 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:31,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 89 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:31,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 04:41:31,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 45. [2022-12-14 04:41:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 39 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:41:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2022-12-14 04:41:31,826 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 9 [2022-12-14 04:41:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:31,826 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2022-12-14 04:41:31,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-12-14 04:41:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 04:41:31,828 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:31,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:31,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:41:31,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:31,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:31,829 INFO L85 PathProgramCache]: Analyzing trace with hash 875443031, now seen corresponding path program 1 times [2022-12-14 04:41:31,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:31,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679317460] [2022-12-14 04:41:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:31,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:41:31,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:31,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679317460] [2022-12-14 04:41:31,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679317460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:31,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:31,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:31,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181005778] [2022-12-14 04:41:31,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:31,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:41:31,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:31,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:41:31,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:41:31,931 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:31,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:31,976 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-12-14 04:41:31,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:41:31,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-14 04:41:31,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:31,978 INFO L225 Difference]: With dead ends: 52 [2022-12-14 04:41:31,978 INFO L226 Difference]: Without dead ends: 50 [2022-12-14 04:41:31,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:41:31,980 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:31,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 122 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-14 04:41:31,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-12-14 04:41:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.6) internal successors, (48), 44 states have internal predecessors, (48), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:41:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2022-12-14 04:41:31,987 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 9 [2022-12-14 04:41:31,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:31,988 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2022-12-14 04:41:31,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-12-14 04:41:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:41:31,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:31,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:31,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:41:31,989 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:31,990 INFO L85 PathProgramCache]: Analyzing trace with hash -668795158, now seen corresponding path program 1 times [2022-12-14 04:41:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:31,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000299660] [2022-12-14 04:41:31,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:41:32,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:32,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000299660] [2022-12-14 04:41:32,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000299660] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:32,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:32,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:41:32,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846643147] [2022-12-14 04:41:32,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:32,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:41:32,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:41:32,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:32,073 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:32,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:32,100 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2022-12-14 04:41:32,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:32,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 04:41:32,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:32,101 INFO L225 Difference]: With dead ends: 50 [2022-12-14 04:41:32,101 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 04:41:32,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:32,103 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 29 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:32,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 44 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 04:41:32,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-14 04:41:32,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 43 states have internal predecessors, (47), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:41:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2022-12-14 04:41:32,111 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 14 [2022-12-14 04:41:32,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:32,111 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2022-12-14 04:41:32,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:32,112 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-14 04:41:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:41:32,112 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:32,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:32,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:41:32,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:32,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:32,113 INFO L85 PathProgramCache]: Analyzing trace with hash -668704114, now seen corresponding path program 1 times [2022-12-14 04:41:32,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:32,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648418359] [2022-12-14 04:41:32,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:32,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:41:32,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:32,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648418359] [2022-12-14 04:41:32,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648418359] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:32,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:32,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:32,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028215901] [2022-12-14 04:41:32,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:32,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:41:32,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:32,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:41:32,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:32,170 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:32,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:32,197 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2022-12-14 04:41:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:32,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 04:41:32,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:32,198 INFO L225 Difference]: With dead ends: 79 [2022-12-14 04:41:32,198 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 04:41:32,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:32,200 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:32,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 82 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:32,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 04:41:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2022-12-14 04:41:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 44 states have internal predecessors, (48), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:41:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2022-12-14 04:41:32,208 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 14 [2022-12-14 04:41:32,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:32,208 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2022-12-14 04:41:32,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-12-14 04:41:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:41:32,209 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:32,209 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:32,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:41:32,210 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:32,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:32,210 INFO L85 PathProgramCache]: Analyzing trace with hash -672538644, now seen corresponding path program 1 times [2022-12-14 04:41:32,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:32,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37587358] [2022-12-14 04:41:32,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:32,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:41:32,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:32,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37587358] [2022-12-14 04:41:32,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37587358] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:41:32,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413496183] [2022-12-14 04:41:32,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:32,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:32,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:32,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:41:32,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:41:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:32,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:41:32,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:41:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:41:32,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:41:32,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413496183] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:32,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:41:32,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 04:41:32,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584384220] [2022-12-14 04:41:32,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:32,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:41:32,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:32,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:41:32,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:41:32,406 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:32,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:32,442 INFO L93 Difference]: Finished difference Result 84 states and 99 transitions. [2022-12-14 04:41:32,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:41:32,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 04:41:32,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:32,443 INFO L225 Difference]: With dead ends: 84 [2022-12-14 04:41:32,443 INFO L226 Difference]: Without dead ends: 43 [2022-12-14 04:41:32,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:41:32,444 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 61 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:32,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 83 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:32,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-14 04:41:32,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-14 04:41:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:41:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-12-14 04:41:32,449 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 14 [2022-12-14 04:41:32,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:32,449 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-12-14 04:41:32,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-12-14 04:41:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 04:41:32,450 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:32,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:32,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:41:32,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:32,652 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:32,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:32,653 INFO L85 PathProgramCache]: Analyzing trace with hash 742186667, now seen corresponding path program 1 times [2022-12-14 04:41:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:32,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837400063] [2022-12-14 04:41:32,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:41:32,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:32,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837400063] [2022-12-14 04:41:32,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837400063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:32,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:32,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:41:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578117138] [2022-12-14 04:41:32,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:32,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:41:32,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:32,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:41:32,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:32,758 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:32,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:32,820 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2022-12-14 04:41:32,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:32,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-14 04:41:32,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:32,821 INFO L225 Difference]: With dead ends: 80 [2022-12-14 04:41:32,821 INFO L226 Difference]: Without dead ends: 48 [2022-12-14 04:41:32,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:32,822 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 7 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:32,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 72 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:32,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-14 04:41:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-14 04:41:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 41 states have internal predecessors, (45), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:41:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2022-12-14 04:41:32,828 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 15 [2022-12-14 04:41:32,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:32,828 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2022-12-14 04:41:32,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:41:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-12-14 04:41:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 04:41:32,829 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:32,829 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:32,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 04:41:32,829 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:32,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:32,829 INFO L85 PathProgramCache]: Analyzing trace with hash 260163896, now seen corresponding path program 1 times [2022-12-14 04:41:32,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:32,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506352384] [2022-12-14 04:41:32,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:32,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 04:41:32,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:32,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506352384] [2022-12-14 04:41:32,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506352384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:32,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:32,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:32,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354001436] [2022-12-14 04:41:32,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:32,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:41:32,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:32,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:41:32,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:41:32,874 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 04:41:32,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:32,907 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2022-12-14 04:41:32,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:41:32,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-12-14 04:41:32,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:32,908 INFO L225 Difference]: With dead ends: 58 [2022-12-14 04:41:32,908 INFO L226 Difference]: Without dead ends: 56 [2022-12-14 04:41:32,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:41:32,908 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:32,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 109 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:32,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-14 04:41:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-12-14 04:41:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 48 states have internal predecessors, (52), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 04:41:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2022-12-14 04:41:32,914 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 18 [2022-12-14 04:41:32,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:32,914 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2022-12-14 04:41:32,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 04:41:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-12-14 04:41:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 04:41:32,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:32,915 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:32,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 04:41:32,915 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:32,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:32,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2058891021, now seen corresponding path program 1 times [2022-12-14 04:41:32,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:32,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649475068] [2022-12-14 04:41:32,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:32,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:32,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:32,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649475068] [2022-12-14 04:41:32,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649475068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:32,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:32,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:32,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579828341] [2022-12-14 04:41:32,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:32,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:41:32,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:32,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:41:32,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:41:32,959 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:41:32,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:32,987 INFO L93 Difference]: Finished difference Result 74 states and 85 transitions. [2022-12-14 04:41:32,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:41:32,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-12-14 04:41:32,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:32,988 INFO L225 Difference]: With dead ends: 74 [2022-12-14 04:41:32,988 INFO L226 Difference]: Without dead ends: 59 [2022-12-14 04:41:32,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:41:32,989 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:32,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 113 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:32,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-14 04:41:32,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-12-14 04:41:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 51 states have internal predecessors, (55), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 04:41:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2022-12-14 04:41:32,994 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 22 [2022-12-14 04:41:32,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:32,994 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2022-12-14 04:41:32,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:41:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2022-12-14 04:41:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 04:41:32,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:32,995 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:32,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 04:41:32,995 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:32,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:32,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1917664823, now seen corresponding path program 1 times [2022-12-14 04:41:32,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:32,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048400954] [2022-12-14 04:41:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:32,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 04:41:33,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:33,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048400954] [2022-12-14 04:41:33,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048400954] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:41:33,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061546608] [2022-12-14 04:41:33,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:33,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:33,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:33,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:41:33,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:41:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:33,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:41:33,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:41:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 04:41:33,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:41:33,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061546608] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:33,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:41:33,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 04:41:33,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859813304] [2022-12-14 04:41:33,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:33,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:41:33,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:33,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:41:33,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:41:33,146 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 04:41:33,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:33,182 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2022-12-14 04:41:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:41:33,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2022-12-14 04:41:33,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:33,183 INFO L225 Difference]: With dead ends: 83 [2022-12-14 04:41:33,183 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 04:41:33,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:41:33,185 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 22 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:33,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 95 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 04:41:33,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-14 04:41:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 36 states have (on average 1.25) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:41:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2022-12-14 04:41:33,192 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 26 [2022-12-14 04:41:33,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:33,192 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2022-12-14 04:41:33,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 04:41:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2022-12-14 04:41:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 04:41:33,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:33,193 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] [2022-12-14 04:41:33,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 04:41:33,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:33,395 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:33,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:33,396 INFO L85 PathProgramCache]: Analyzing trace with hash -5433746, now seen corresponding path program 1 times [2022-12-14 04:41:33,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:33,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284144378] [2022-12-14 04:41:33,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:33,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:33,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:33,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284144378] [2022-12-14 04:41:33,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284144378] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:41:33,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375812591] [2022-12-14 04:41:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:33,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:33,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:33,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:41:33,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 04:41:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:33,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:41:33,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:41:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:33,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:41:33,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375812591] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:33,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:41:33,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-14 04:41:33,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313857812] [2022-12-14 04:41:33,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:33,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:41:33,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:33,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:41:33,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:41:33,658 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:41:33,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:33,682 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2022-12-14 04:41:33,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:41:33,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-12-14 04:41:33,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:33,683 INFO L225 Difference]: With dead ends: 63 [2022-12-14 04:41:33,683 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 04:41:33,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:41:33,684 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:33,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 114 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:33,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 04:41:33,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-14 04:41:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 38 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:41:33,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2022-12-14 04:41:33,691 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 25 [2022-12-14 04:41:33,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:33,692 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2022-12-14 04:41:33,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:41:33,692 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2022-12-14 04:41:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 04:41:33,692 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:33,692 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 04:41:33,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 04:41:33,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:33,893 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:33,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:33,893 INFO L85 PathProgramCache]: Analyzing trace with hash -168438838, now seen corresponding path program 1 times [2022-12-14 04:41:33,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:33,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239656180] [2022-12-14 04:41:33,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:33,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:33,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:33,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239656180] [2022-12-14 04:41:33,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239656180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:33,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:33,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:41:33,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162888666] [2022-12-14 04:41:33,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:33,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:41:33,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:33,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:41:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:33,925 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:41:33,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:33,944 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2022-12-14 04:41:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:41:33,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-12-14 04:41:33,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:33,946 INFO L225 Difference]: With dead ends: 50 [2022-12-14 04:41:33,946 INFO L226 Difference]: Without dead ends: 48 [2022-12-14 04:41:33,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:41:33,947 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:33,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 64 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:33,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-14 04:41:33,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-14 04:41:33,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 37 states have (on average 1.162162162162162) internal successors, (43), 41 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:41:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2022-12-14 04:41:33,951 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 26 [2022-12-14 04:41:33,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:33,951 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2022-12-14 04:41:33,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:41:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-12-14 04:41:33,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 04:41:33,952 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:33,952 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:33,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 04:41:33,952 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:33,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:33,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1337518148, now seen corresponding path program 1 times [2022-12-14 04:41:33,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:33,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336587023] [2022-12-14 04:41:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:41:33,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:33,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336587023] [2022-12-14 04:41:33,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336587023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:33,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:33,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:41:33,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908666642] [2022-12-14 04:41:33,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:33,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:41:33,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:33,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:41:33,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:41:33,997 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 04:41:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:34,027 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2022-12-14 04:41:34,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:41:34,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2022-12-14 04:41:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:34,029 INFO L225 Difference]: With dead ends: 54 [2022-12-14 04:41:34,029 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 04:41:34,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:41:34,029 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 3 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:34,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:34,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 04:41:34,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-14 04:41:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.15) internal successors, (46), 44 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:41:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2022-12-14 04:41:34,036 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 32 [2022-12-14 04:41:34,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:34,036 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2022-12-14 04:41:34,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 04:41:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2022-12-14 04:41:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 04:41:34,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:34,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:34,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 04:41:34,038 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:34,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1591676774, now seen corresponding path program 1 times [2022-12-14 04:41:34,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:34,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473379202] [2022-12-14 04:41:34,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:34,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:34,096 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:41:34,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:34,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473379202] [2022-12-14 04:41:34,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473379202] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:41:34,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802034368] [2022-12-14 04:41:34,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:34,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:34,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:34,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:41:34,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 04:41:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:34,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:41:34,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:41:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:34,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:41:34,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802034368] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:34,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:41:34,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-12-14 04:41:34,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682379026] [2022-12-14 04:41:34,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:34,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:41:34,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:34,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:41:34,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:41:34,193 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 04:41:34,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:34,214 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2022-12-14 04:41:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:41:34,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2022-12-14 04:41:34,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:34,216 INFO L225 Difference]: With dead ends: 52 [2022-12-14 04:41:34,216 INFO L226 Difference]: Without dead ends: 51 [2022-12-14 04:41:34,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:41:34,216 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:34,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 82 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:41:34,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-14 04:41:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-14 04:41:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.125) internal successors, (45), 43 states have internal predecessors, (45), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:41:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2022-12-14 04:41:34,222 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 35 [2022-12-14 04:41:34,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:34,222 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2022-12-14 04:41:34,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 04:41:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2022-12-14 04:41:34,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 04:41:34,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:34,223 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:34,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 04:41:34,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 04:41:34,425 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:34,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:34,426 INFO L85 PathProgramCache]: Analyzing trace with hash 2097339867, now seen corresponding path program 1 times [2022-12-14 04:41:34,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:34,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405835786] [2022-12-14 04:41:34,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:34,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:41:34,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:34,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405835786] [2022-12-14 04:41:34,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405835786] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:41:34,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393287109] [2022-12-14 04:41:34,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:34,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:34,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:34,589 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:41:34,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 04:41:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:34,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:41:34,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:41:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:34,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:41:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:34,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393287109] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:41:34,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [513115084] [2022-12-14 04:41:34,742 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-12-14 04:41:34,742 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:41:34,745 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:41:34,749 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:41:34,750 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:41:34,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:35,008 INFO L321 Elim1Store]: treesize reduction 50, result has 47.9 percent of original size [2022-12-14 04:41:35,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 74 [2022-12-14 04:41:35,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:35,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:35,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:35,060 INFO L321 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2022-12-14 04:41:35,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2022-12-14 04:41:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:35,144 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 04:41:35,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 85 [2022-12-14 04:41:35,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:35,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 65 [2022-12-14 04:41:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:35,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 65 [2022-12-14 04:41:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:36,675 INFO L321 Elim1Store]: treesize reduction 50, result has 47.9 percent of original size [2022-12-14 04:41:36,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 74 [2022-12-14 04:41:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:36,710 INFO L321 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2022-12-14 04:41:36,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2022-12-14 04:41:36,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:36,790 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 04:41:36,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 85 [2022-12-14 04:41:36,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:36,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:36,852 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 97 for LOIs [2022-12-14 04:41:36,866 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 135 for LOIs [2022-12-14 04:41:36,931 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 04:41:43,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [513115084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:43,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 04:41:43,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [5, 3, 3] total 28 [2022-12-14 04:41:43,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97082785] [2022-12-14 04:41:43,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:43,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 04:41:43,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:43,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 04:41:43,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=629, Unknown=0, NotChecked=0, Total=756 [2022-12-14 04:41:43,051 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 21 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 04:41:44,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:44,311 INFO L93 Difference]: Finished difference Result 80 states and 86 transitions. [2022-12-14 04:41:44,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 04:41:44,311 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 36 [2022-12-14 04:41:44,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:44,312 INFO L225 Difference]: With dead ends: 80 [2022-12-14 04:41:44,312 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 04:41:44,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 80 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2022-12-14 04:41:44,313 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 37 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:44,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 115 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 04:41:44,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 04:41:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2022-12-14 04:41:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:41:44,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2022-12-14 04:41:44,322 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 36 [2022-12-14 04:41:44,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:44,322 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2022-12-14 04:41:44,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 04:41:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2022-12-14 04:41:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 04:41:44,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:44,323 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:41:44,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 04:41:44,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 04:41:44,524 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:41:44,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:44,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1557059211, now seen corresponding path program 1 times [2022-12-14 04:41:44,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:44,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530536844] [2022-12-14 04:41:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:41:44,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:44,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530536844] [2022-12-14 04:41:44,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530536844] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:41:44,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857991607] [2022-12-14 04:41:44,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:44,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:44,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:44,605 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:41:44,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 04:41:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:44,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:41:44,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:41:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:44,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:41:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 04:41:44,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857991607] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:41:44,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1581096429] [2022-12-14 04:41:44,722 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-12-14 04:41:44,723 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:41:44,723 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:41:44,723 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:41:44,723 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:41:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:44,845 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 04:41:44,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 85 [2022-12-14 04:41:44,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:44,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:44,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-12-14 04:41:44,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:44,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2022-12-14 04:41:44,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:44,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 65 [2022-12-14 04:41:45,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:45,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 65 [2022-12-14 04:41:46,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:46,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:46,571 INFO L321 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2022-12-14 04:41:46,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2022-12-14 04:41:46,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:46,645 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-12-14 04:41:46,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 85 [2022-12-14 04:41:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:46,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2022-12-14 04:41:46,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:41:46,698 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 132 for LOIs [2022-12-14 04:41:46,765 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 74 for LOIs [2022-12-14 04:41:46,770 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 04:41:53,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1581096429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:53,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 04:41:53,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [5, 3, 3] total 29 [2022-12-14 04:41:53,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643397914] [2022-12-14 04:41:53,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:53,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 04:41:53,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:53,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 04:41:53,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=679, Unknown=0, NotChecked=0, Total=812 [2022-12-14 04:41:53,441 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand has 22 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 04:41:54,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:54,250 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2022-12-14 04:41:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-14 04:41:54,251 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2022-12-14 04:41:54,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:54,251 INFO L225 Difference]: With dead ends: 49 [2022-12-14 04:41:54,251 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 04:41:54,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 84 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2022-12-14 04:41:54,252 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:54,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 04:41:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 04:41:54,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 04:41:54,252 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) [2022-12-14 04:41:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 04:41:54,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-12-14 04:41:54,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:54,253 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 04:41:54,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 04:41:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 04:41:54,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-12-14 04:41:54,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-12-14 04:41:54,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-12-14 04:41:54,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-12-14 04:41:54,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-12-14 04:41:54,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 04:41:54,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:54,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 04:42:02,999 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 04:42:02,999 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 04:42:02,999 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 04:42:02,999 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 04:42:02,999 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-12-14 04:42:02,999 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base|) (= (select (select |#memory_int| 2) 0) 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 16) (= (store ((as const (Array Int Int)) 0) |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.offset| 0) (select |#memory_int| |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base|)) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= |ULTIMATE.start_goodB2G_~data~0#1| 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 0) (= (select |#valid| 4) 1) (= 16 (select |#length| 3)) (= (select |#length| 2) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select |#valid| |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base|) 1) (= ~globalFalse~0 0) (= 18 (select |#length| 5)) (= ~globalArgc~0 0) (= 14 (select |#length| |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base|)) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 04:42:03,000 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2022-12-14 04:42:03,000 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-14 04:42:03,000 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-12-14 04:42:03,000 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-14 04:42:03,000 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (= (select (select |#memory_int| 2) 0) 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 16) (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| Int)) (and (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) (store ((as const (Array Int Int)) 0) 0 0)) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) 0) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| 4)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| 0)) (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)))) (= 16 (select |#length| 3)) (= (select |#length| 2) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= 18 (select |#length| 5)) (= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 04:42:03,000 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-12-14 04:42:03,000 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2022-12-14 04:42:03,000 INFO L899 garLoopResultBuilder]: For program point L1590-2(line 1590) no Hoare annotation was computed. [2022-12-14 04:42:03,001 INFO L899 garLoopResultBuilder]: For program point L1590-3(line 1590) no Hoare annotation was computed. [2022-12-14 04:42:03,001 INFO L895 garLoopResultBuilder]: At program point L1590-4(lines 1590 1597) the Hoare annotation is: (let ((.cse32 (= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse36 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse2 (= 1 (select |#valid| 5))) (.cse3 (= (select (select |#memory_int| 2) 0) 0)) (.cse5 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse6 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse7 (= (select |#length| 6) 16)) (.cse9 (= (select (select |#memory_int| 1) 0) 0)) (.cse11 (= ~globalArgv~0.offset 0)) (.cse13 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse14 (= (select |#valid| 3) 1)) (.cse15 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse16 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse17 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse19 (= (select |#valid| 4) 1)) (.cse24 (= ~globalArgv~0.base 0)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse33 (= ~globalArgc~0 0)) (.cse35 (= 5 ~globalFive~0)) (.cse39 (= |#NULL.base| 0)) (.cse40 (= ~globalTrue~0 1)) (.cse56 (store ((as const (Array Int Int)) 0) 0 0))) (let ((.cse41 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse42 (<= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse43 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|)) (.cse45 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse46 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse8 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (.cse10 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| Int)) (and (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) 0) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) .cse56) (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 0)) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 4)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)))) (.cse47 (<= 3 |ULTIMATE.start_goodG2B_~data~1#1|)) (.cse48 (<= |ULTIMATE.start_goodG2B_~data~1#1| 3)) (.cse50 (<= 3 |ULTIMATE.start_goodG2B_~result~1#1|)) (.cse51 (<= |ULTIMATE.start_goodG2B_~result~1#1| 3)) (.cse54 (<= |ULTIMATE.start_goodG2B_~j~0#1| 1)) (.cse55 (<= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse4 (= |ULTIMATE.start_goodG2B_~j~0#1| 0)) (.cse44 (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|))) (.cse12 (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) (.cse18 (= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse49 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| Int)) (and (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) .cse56) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) 0) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| 4)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| 0)) (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|))))) (.cse20 (= 16 (select |#length| 3))) (.cse21 (= (select |#length| 2) 1)) (.cse22 (= (select |#valid| 1) 1)) (.cse23 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse25 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse52 (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|)) (.cse26 (= (select |#valid| 0) 0)) (.cse53 (or (and .cse0 .cse2 .cse3 .cse5 .cse6 .cse7 .cse9 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) .cse19 .cse24 .cse29 .cse30 .cse32 .cse33 .cse35 .cse36 .cse39 .cse40) (and .cse0 .cse2 .cse3 .cse5 .cse6 .cse7 .cse9 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17 (= |ULTIMATE.start_goodB2G_~data~0#1| 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 0) .cse19 .cse24 .cse29 .cse30 .cse33 .cse35 .cse39 .cse40))) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse31 (= 18 (select |#length| 5))) (.cse34 (= (select |#valid| 6) 1)) (.cse37 (= (select |#length| 4) 54)) (.cse38 (< 0 |#StackHeapBarrier|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40) (and .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse20 .cse21 .cse22 .cse51 .cse23 .cse25 .cse52 .cse26 .cse53 .cse27 .cse28 .cse54 .cse31 .cse55 .cse34 .cse37 .cse38) (and (<= 0 ~GLOBAL_CONST_FALSE~0) .cse2 (<= ~globalTrue~0 1) .cse41 (<= ~globalArgc~0 0) (<= 0 |#NULL.base|) .cse42 (<= 5 ~globalFive~0) .cse3 .cse5 .cse6 (<= 5 ~GLOBAL_CONST_FIVE~0) (<= ~GLOBAL_CONST_TRUE~0 1) .cse7 (<= ~globalArgv~0.offset 0) .cse43 .cse45 .cse46 .cse8 .cse9 .cse10 (<= ~globalFalse~0 0) .cse47 (<= ~GLOBAL_CONST_FIVE~0 5) .cse48 .cse14 .cse16 (<= |#NULL.offset| 0) .cse17 (<= 1 ~GLOBAL_CONST_TRUE~0) .cse19 .cse50 .cse20 .cse21 .cse22 (<= 0 ~globalFalse~0) (<= 0 ~globalArgc~0) .cse51 (<= 0 ~globalArgv~0.base) .cse23 (<= |#NULL.base| 0) .cse25 .cse26 (<= ~globalArgv~0.base 0) (<= ~GLOBAL_CONST_FALSE~0 0) .cse27 (<= 0 ~globalArgv~0.offset) .cse28 .cse54 .cse31 (<= 1 ~globalTrue~0) .cse55 (<= 0 |#NULL.offset|) (<= ~globalFive~0 5) .cse34 .cse36 .cse37 .cse38 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (and .cse1 .cse4 .cse44 .cse12 .cse18 .cse49 .cse20 .cse21 .cse22 .cse23 .cse25 .cse52 .cse26 .cse53 .cse27 .cse28 .cse31 .cse32 .cse34 .cse37 .cse38)))) [2022-12-14 04:42:03,001 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-14 04:42:03,001 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 04:42:03,002 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= (select (select |#memory_int| 2) 0) 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 16) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= 16 (select |#length| 3)) (= (select |#length| 2) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= 18 (select |#length| 5)) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 04:42:03,002 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-12-14 04:42:03,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-12-14 04:42:03,002 INFO L899 garLoopResultBuilder]: For program point L1567-2(line 1567) no Hoare annotation was computed. [2022-12-14 04:42:03,002 INFO L899 garLoopResultBuilder]: For program point L1567-3(line 1567) no Hoare annotation was computed. [2022-12-14 04:42:03,002 INFO L895 garLoopResultBuilder]: At program point L1567-4(lines 1567 1579) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= 1 (select |#valid| 5))) (.cse2 (= (select (select |#memory_int| 2) 0) 0)) (.cse3 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse4 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse5 (= (select |#length| 6) 16)) (.cse6 (= (select (select |#memory_int| 1) 0) 0)) (.cse7 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| Int)) (and (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) 0) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) (store ((as const (Array Int Int)) 0) 0 0)) (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 0)) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 4)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)))) (.cse8 (= ~globalArgv~0.offset 0)) (.cse9 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse12 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse13 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse14 (= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse15 (= (select |#valid| 4) 1)) (.cse16 (= 16 (select |#length| 3))) (.cse17 (= (select |#length| 2) 1)) (.cse18 (= (select |#valid| 1) 1)) (.cse19 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse36 (= ~globalArgv~0.base 0)) (.cse20 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse21 (= (select |#valid| 0) 0)) (.cse22 (= (select |#length| 1) 1)) (.cse23 (= (select |#valid| 2) 1)) (.cse24 (= |#NULL.offset| 0)) (.cse25 (= ~globalFalse~0 0)) (.cse26 (= 18 (select |#length| 5))) (.cse27 (= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse28 (= ~globalArgc~0 0)) (.cse29 (= (select |#valid| 6) 1)) (.cse30 (= 5 ~globalFive~0)) (.cse31 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse32 (= (select |#length| 4) 54)) (.cse33 (< 0 |#StackHeapBarrier|)) (.cse34 (= |#NULL.base| 0)) (.cse35 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= 0 ~globalArgv~0.base) .cse19 .cse20 (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|) .cse21 (<= ~globalArgv~0.base 0) .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (and .cse0 .cse1 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) .cse15 .cse16 .cse17 .cse18 .cse19 .cse36 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse36 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35))) [2022-12-14 04:42:03,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L902 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: true [2022-12-14 04:42:03,003 INFO L902 garLoopResultBuilder]: At program point L1609-1(line 1609) the Hoare annotation is: true [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (= (select (select |#memory_int| 2) 0) 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 16) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (= (select (select |#memory_int| 1) 0) 0) (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| Int)) (and (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) 0) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) (store ((as const (Array Int Int)) 0) 0 0)) (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 0)) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 4)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|))) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|) (= (select |#valid| 4) 1) (= 16 (select |#length| 3)) (= (select |#length| 2) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= 18 (select |#length| 5)) (= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (= (select |#length| 4) 54) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1567 1579) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1578) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point L1586-3(line 1586) no Hoare annotation was computed. [2022-12-14 04:42:03,003 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-12-14 04:42:03,004 INFO L899 garLoopResultBuilder]: For program point L1586-4(line 1586) no Hoare annotation was computed. [2022-12-14 04:42:03,004 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-12-14 04:42:03,004 INFO L895 garLoopResultBuilder]: At program point L1586-5(lines 1586 1589) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| 5))) (.cse1 (= (select (select |#memory_int| 2) 0) 0)) (.cse2 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse3 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse4 (= (select |#length| 6) 16)) (.cse33 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse5 (= (select (select |#memory_int| 1) 0) 0)) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse10 (= (select |#valid| 4) 1)) (.cse6 (store ((as const (Array Int Int)) 0) 0 0)) (.cse11 (= 16 (select |#length| 3))) (.cse12 (= (select |#length| 2) 1)) (.cse13 (= (select |#valid| 1) 1)) (.cse14 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse15 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse16 (= (select |#valid| 0) 0)) (.cse53 (<= 0 |ULTIMATE.start_goodG2B_~data~1#1|)) (.cse54 (<= |ULTIMATE.start_goodG2B_~data~1#1| 0)) (.cse55 (<= 0 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse56 (<= |ULTIMATE.start_goodG2B_~h~0#1| 0)) (.cse22 (<= |ULTIMATE.start_goodG2B_~data~1#1| 2)) (.cse27 (<= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse32 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse42 (<= 2 |ULTIMATE.start_goodG2B_~data~1#1|)) (.cse48 (<= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse17 (= (select |#length| 1) 1)) (.cse18 (= (select |#valid| 2) 1)) (.cse19 (= 18 (select |#length| 5))) (.cse20 (= (select |#valid| 6) 1)) (.cse51 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse57 (= (select |#length| 4) 54)) (.cse58 (< 0 |#StackHeapBarrier|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| Int)) (and (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) 0) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) .cse6) (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 0)) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 4)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|))) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (let ((.cse21 (<= 0 ~GLOBAL_CONST_FALSE~0)) (.cse23 (<= ~globalTrue~0 1)) (.cse24 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse25 (<= ~globalArgc~0 0)) (.cse26 (<= 0 |#NULL.base|)) (.cse28 (<= 5 ~globalFive~0)) (.cse29 (<= 5 ~GLOBAL_CONST_FIVE~0)) (.cse30 (<= ~GLOBAL_CONST_TRUE~0 1)) (.cse31 (<= ~globalArgv~0.offset 0)) (.cse34 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (.cse35 (<= ~globalFalse~0 0)) (.cse36 (<= ~GLOBAL_CONST_FIVE~0 5)) (.cse37 (<= |#NULL.offset| 0)) (.cse38 (<= 1 ~GLOBAL_CONST_TRUE~0)) (.cse39 (<= 0 ~globalFalse~0)) (.cse40 (<= 0 ~globalArgc~0)) (.cse41 (<= 0 ~globalArgv~0.base)) (.cse43 (<= |#NULL.base| 0)) (.cse44 (<= ~globalArgv~0.base 0)) (.cse45 (<= ~GLOBAL_CONST_FALSE~0 0)) (.cse46 (<= 0 ~globalArgv~0.offset)) (.cse47 (<= 1 ~globalTrue~0)) (.cse49 (<= 0 |#NULL.offset|)) (.cse50 (<= ~globalFive~0 5)) (.cse52 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1))) (or (and .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52) (and .cse21 .cse53 .cse23 .cse24 .cse25 .cse26 .cse28 .cse29 .cse30 .cse31 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse43 .cse54 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse55 .cse56 .cse52))) .cse57 .cse58) (and (= ~GLOBAL_CONST_FALSE~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse33 .cse5 (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) .cse7 (= ~GLOBAL_CONST_TRUE~0 1) .cse8 .cse9 .cse10 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| Int)) (and (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) .cse6) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) 0) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| 4)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| 0)) (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)))) .cse11 .cse12 .cse13 .cse14 (= ~globalArgv~0.base 0) .cse15 (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|) .cse16 (let ((.cse59 (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)))) (or (and .cse53 .cse59 .cse54 .cse48 .cse55 .cse56) (and .cse22 .cse27 .cse59 .cse32 .cse42 .cse48))) .cse17 .cse18 (= |#NULL.offset| 0) (= ~globalFalse~0 0) .cse19 (= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= ~globalArgc~0 0) .cse20 (= 5 ~globalFive~0) .cse51 .cse57 .cse58 (= |#NULL.base| 0) (= ~globalTrue~0 1)))) [2022-12-14 04:42:03,005 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1566) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= 1 (select |#valid| 5))) (.cse2 (= (select (select |#memory_int| 2) 0) 0)) (.cse3 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse4 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse5 (= (select |#length| 6) 16)) (.cse6 (= (select (select |#memory_int| 1) 0) 0)) (.cse7 (= ~globalArgv~0.offset 0)) (.cse8 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse11 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse12 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse13 (= (select |#valid| 4) 1)) (.cse14 (= 16 (select |#length| 3))) (.cse15 (= (select |#length| 2) 1)) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse18 (= ~globalArgv~0.base 0)) (.cse19 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse20 (= (select |#valid| 0) 0)) (.cse21 (= (select |#length| 1) 1)) (.cse22 (= (select |#valid| 2) 1)) (.cse23 (= |#NULL.offset| 0)) (.cse24 (= ~globalFalse~0 0)) (.cse25 (= 18 (select |#length| 5))) (.cse26 (= ~globalArgc~0 0)) (.cse27 (= (select |#valid| 6) 1)) (.cse28 (= 5 ~globalFive~0)) (.cse29 (= (select |#length| 4) 54)) (.cse30 (< 0 |#StackHeapBarrier|)) (.cse31 (= |#NULL.base| 0)) (.cse32 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| Int)) (and (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) 0) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) (store ((as const (Array Int Int)) 0) 0 0)) (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 0)) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 4)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|))) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= |ULTIMATE.start_goodB2G_~i~1#1| 1) .cse26 .cse27 .cse28 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) .cse29 .cse30 .cse31 .cse32) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_goodB2G_~data~0#1| 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32))) [2022-12-14 04:42:03,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-12-14 04:42:03,005 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse2 (= 1 (select |#valid| 5))) (.cse3 (= (select (select |#memory_int| 2) 0) 0)) (.cse4 (= |ULTIMATE.start_goodG2B_~j~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_main_~argv#1.offset|)) (.cse6 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse7 (= (select |#length| 6) 16)) (.cse8 (= (select (select |#memory_int| 1) 0) 0)) (.cse18 (store ((as const (Array Int Int)) 0) 0 0)) (.cse9 (= ~globalArgv~0.offset 0)) (.cse10 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse11 (= (select |#valid| 3) 1)) (.cse12 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse13 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse14 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_main_~argv#1.base|)) (.cse15 (= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse16 (= |ULTIMATE.start_goodG2B_~data~1#1| 3)) (.cse17 (= (select |#valid| 4) 1)) (.cse19 (= 16 (select |#length| 3))) (.cse20 (= (select |#length| 2) 1)) (.cse21 (= (select |#valid| 1) 1)) (.cse22 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse23 (= ~globalArgv~0.base 0)) (.cse24 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse25 (= |ULTIMATE.start_goodG2B_~result~1#1| |ULTIMATE.start_goodG2B_~data~1#1|)) (.cse26 (= (select |#valid| 0) 0)) (.cse27 (= (select |#length| 1) 1)) (.cse28 (= (select |#valid| 2) 1)) (.cse29 (= |#NULL.offset| 0)) (.cse30 (= ~globalFalse~0 0)) (.cse31 (= 18 (select |#length| 5))) (.cse32 (= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse33 (= ~globalArgc~0 0)) (.cse34 (= (select |#valid| 6) 1)) (.cse35 (= 5 ~globalFive~0)) (.cse36 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse37 (= (select |#length| 4) 54)) (.cse38 (< 0 |#StackHeapBarrier|)) (.cse39 (= |#NULL.base| 0)) (.cse40 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| Int)) (and (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) .cse18) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|) 0) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| 4)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12| 0)) (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_12|)))) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) .cse8 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| Int)) (and (not (= 5 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= 2 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= (select |#valid| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) 0) (= (select |#memory_int| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|) .cse18) (not (= 6 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 0)) (not (= 3 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (= 14 (select |#length| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|)) (not (= |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10| 4)) (< |#StackHeapBarrier| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_10|))) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40))) [2022-12-14 04:42:03,005 INFO L899 garLoopResultBuilder]: For program point L1595-1(lines 1590 1597) no Hoare annotation was computed. [2022-12-14 04:42:03,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-14 04:42:03,005 INFO L899 garLoopResultBuilder]: For program point L1571(line 1571) no Hoare annotation was computed. [2022-12-14 04:42:03,005 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2022-12-14 04:42:03,008 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:03,009 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:42:03,014 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:347) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:481) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2022-12-14 04:42:03,016 INFO L158 Benchmark]: Toolchain (without parser) took 32764.92ms. Allocated memory was 115.3MB in the beginning and 220.2MB in the end (delta: 104.9MB). Free memory was 75.6MB in the beginning and 172.4MB in the end (delta: -96.9MB). Peak memory consumption was 131.1MB. Max. memory is 16.1GB. [2022-12-14 04:42:03,016 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 115.3MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:42:03,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.26ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 75.2MB in the beginning and 92.7MB in the end (delta: -17.5MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2022-12-14 04:42:03,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.96ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 89.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:42:03,017 INFO L158 Benchmark]: Boogie Preprocessor took 20.04ms. Allocated memory is still 151.0MB. Free memory was 89.1MB in the beginning and 87.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:42:03,017 INFO L158 Benchmark]: RCFGBuilder took 314.69ms. Allocated memory is still 151.0MB. Free memory was 87.8MB in the beginning and 69.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 04:42:03,017 INFO L158 Benchmark]: TraceAbstraction took 31536.79ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 68.9MB in the beginning and 172.4MB in the end (delta: -103.5MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2022-12-14 04:42:03,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 115.3MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 845.26ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 75.2MB in the beginning and 92.7MB in the end (delta: -17.5MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.96ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 89.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.04ms. Allocated memory is still 151.0MB. Free memory was 89.1MB in the beginning and 87.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.69ms. Allocated memory is still 151.0MB. Free memory was 87.8MB in the beginning and 69.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 31536.79ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 68.9MB in the beginning and 172.4MB in the end (delta: -103.5MB). Peak memory consumption was 86.0MB. 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 47 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 31.5s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 234 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 1300 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 778 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1228 IncrementalHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 522 mSDtfsCounter, 1228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 377 GetRequests, 271 SyntacticMatches, 11 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=8, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 37 PreInvPairs, 57 NumberOfFragments, 3710 HoareAnnotationTreeSize, 37 FomulaSimplifications, 156 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 13 FomulaSimplificationsInter, 7942 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 558 ConstructedInterpolants, 0 QuantifiedInterpolants, 882 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1052 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 108/126 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: OVERALL_TIME: 4.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 70, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 115, TOOLS_POST_TIME: 2.9s, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 148, TOOLS_QUANTIFIERELIM_TIME: 3.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 238, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 70, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME: 1.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 2893, DAG_COMPRESSION_RETAINED_NODES: 233, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:265) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 04:42:03,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh --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 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 --- 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-2329fc7 [2022-12-14 04:42:04,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:42:04,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:42:04,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:42:04,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:42:04,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:42:04,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:42:04,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:42:04,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:42:04,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:42:04,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:42:04,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:42:04,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:42:04,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:42:04,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:42:04,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:42:04,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:42:04,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:42:04,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:42:04,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:42:04,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:42:04,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:42:04,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:42:04,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:42:04,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:42:04,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:42:04,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:42:04,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:42:04,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:42:04,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:42:04,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:42:04,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:42:04,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:42:04,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:42:04,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:42:04,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:42:04,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:42:04,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:42:04,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:42:04,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:42:04,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:42:04,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 04:42:04,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:42:04,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:42:04,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:42:04,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:42:04,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:42:04,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:42:04,602 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:42:04,602 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:42:04,603 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:42:04,603 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:42:04,603 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:42:04,603 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:42:04,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:42:04,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:42:04,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:42:04,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:42:04,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:42:04,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:42:04,604 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:42:04,604 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 04:42:04,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 04:42:04,605 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 04:42:04,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:42:04,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:42:04,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:42:04,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:42:04,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 04:42:04,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:42:04,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:42:04,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:42:04,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:42:04,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:42:04,606 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 04:42:04,606 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 04:42:04,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:42:04,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:42:04,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 04:42:04,607 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_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 [2022-12-14 04:42:04,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:42:04,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:42:04,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:42:04,832 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:42:04,832 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:42:04,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2022-12-14 04:42:07,506 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:42:07,732 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:42:07,732 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2022-12-14 04:42:07,745 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/data/f7b2f727d/f2428be0f15f43f9b0d1aa30a6d6005b/FLAGa5c2d8899 [2022-12-14 04:42:07,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/data/f7b2f727d/f2428be0f15f43f9b0d1aa30a6d6005b [2022-12-14 04:42:07,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:42:07,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:42:07,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:42:07,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:42:07,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:42:07,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:42:07" (1/1) ... [2022-12-14 04:42:07,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e91938f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:07, skipping insertion in model container [2022-12-14 04:42:07,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:42:07" (1/1) ... [2022-12-14 04:42:07,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:42:07,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:42:08,104 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:42:08,393 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:42:08,397 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:42:08,398 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:42:08,401 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:42:08,401 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:42:08,422 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 04:42:08,431 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:42:08,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:42:08,447 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:42:08,466 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:42:08,521 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:42:08,523 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:42:08,524 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:42:08,527 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:42:08,528 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:42:08,534 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 04:42:08,538 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:42:08,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:42:08,666 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:42:08,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08 WrapperNode [2022-12-14 04:42:08,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:42:08,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:42:08,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:42:08,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:42:08,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,721 INFO L138 Inliner]: procedures = 507, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2022-12-14 04:42:08,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:42:08,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:42:08,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:42:08,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:42:08,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:42:08,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:42:08,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:42:08,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:42:08,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (1/1) ... [2022-12-14 04:42:08,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:42:08,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:42:08,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:42:08,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:42:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 04:42:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 04:42:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 04:42:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 04:42:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 04:42:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:42:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 04:42:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:42:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:42:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:42:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:42:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 04:42:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-14 04:42:08,937 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:42:08,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:42:09,104 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:42:09,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:42:09,110 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 04:42:09,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:42:09 BoogieIcfgContainer [2022-12-14 04:42:09,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:42:09,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:42:09,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:42:09,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:42:09,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:42:07" (1/3) ... [2022-12-14 04:42:09,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303b49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:42:09, skipping insertion in model container [2022-12-14 04:42:09,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:08" (2/3) ... [2022-12-14 04:42:09,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303b49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:42:09, skipping insertion in model container [2022-12-14 04:42:09,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:42:09" (3/3) ... [2022-12-14 04:42:09,119 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2022-12-14 04:42:09,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:42:09,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-12-14 04:42:09,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:42:09,183 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;@5e674353, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:42:09,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-12-14 04:42:09,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 53 states have internal predecessors, (62), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:42:09,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 04:42:09,200 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:09,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:09,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:09,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:09,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1959123605, now seen corresponding path program 1 times [2022-12-14 04:42:09,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:09,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542483817] [2022-12-14 04:42:09,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:09,216 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 [2022-12-14 04:42:09,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:09,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:09,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:09,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 04:42:09,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:09,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:09,422 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:09,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542483817] [2022-12-14 04:42:09,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542483817] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:09,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:09,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 04:42:09,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543897925] [2022-12-14 04:42:09,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:09,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 04:42:09,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:09,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 04:42:09,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:42:09,457 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 53 states have internal predecessors, (62), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:09,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:09,476 INFO L93 Difference]: Finished difference Result 102 states and 130 transitions. [2022-12-14 04:42:09,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 04:42:09,478 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-14 04:42:09,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:09,485 INFO L225 Difference]: With dead ends: 102 [2022-12-14 04:42:09,485 INFO L226 Difference]: Without dead ends: 47 [2022-12-14 04:42:09,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:42:09,490 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:09,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:09,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-14 04:42:09,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-12-14 04:42:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 41 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:42:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2022-12-14 04:42:09,518 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 13 [2022-12-14 04:42:09,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:09,519 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2022-12-14 04:42:09,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-12-14 04:42:09,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:42:09,520 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:09,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:09,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:42:09,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:09,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:09,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:09,724 INFO L85 PathProgramCache]: Analyzing trace with hash 603289696, now seen corresponding path program 1 times [2022-12-14 04:42:09,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:09,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517560838] [2022-12-14 04:42:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:09,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:42:09,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:09,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:09,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:09,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 04:42:09,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:09,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:09,944 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:09,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517560838] [2022-12-14 04:42:09,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517560838] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:09,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:09,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:42:09,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054438368] [2022-12-14 04:42:09,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:09,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:42:09,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:09,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:42:09,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:09,947 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:09,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:09,972 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2022-12-14 04:42:09,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:42:09,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 04:42:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:09,974 INFO L225 Difference]: With dead ends: 90 [2022-12-14 04:42:09,974 INFO L226 Difference]: Without dead ends: 55 [2022-12-14 04:42:09,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:09,976 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 7 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:09,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 106 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:09,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-12-14 04:42:09,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2022-12-14 04:42:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 42 states have internal predecessors, (47), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:42:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2022-12-14 04:42:09,984 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 14 [2022-12-14 04:42:09,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:09,984 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-12-14 04:42:09,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-12-14 04:42:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:42:09,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:09,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:09,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 04:42:10,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:10,188 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:10,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:10,190 INFO L85 PathProgramCache]: Analyzing trace with hash 646140078, now seen corresponding path program 1 times [2022-12-14 04:42:10,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:10,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790107081] [2022-12-14 04:42:10,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:10,194 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 [2022-12-14 04:42:10,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:10,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:10,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:10,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:42:10,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:10,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:10,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:10,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790107081] [2022-12-14 04:42:10,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790107081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:10,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:10,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:42:10,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299072393] [2022-12-14 04:42:10,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:10,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:42:10,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:10,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:42:10,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:42:10,393 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:10,432 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2022-12-14 04:42:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:42:10,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-14 04:42:10,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:10,434 INFO L225 Difference]: With dead ends: 55 [2022-12-14 04:42:10,434 INFO L226 Difference]: Without dead ends: 54 [2022-12-14 04:42:10,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:42:10,436 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:10,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 155 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:10,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-14 04:42:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-14 04:42:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.325) internal successors, (53), 48 states have internal predecessors, (53), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:42:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2022-12-14 04:42:10,443 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 14 [2022-12-14 04:42:10,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:10,444 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2022-12-14 04:42:10,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-12-14 04:42:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 04:42:10,445 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:10,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:10,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 04:42:10,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:10,647 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:10,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:10,649 INFO L85 PathProgramCache]: Analyzing trace with hash 949289447, now seen corresponding path program 1 times [2022-12-14 04:42:10,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:10,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727386291] [2022-12-14 04:42:10,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:10,651 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 [2022-12-14 04:42:10,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:10,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:10,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:10,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 04:42:10,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:42:10,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:10,812 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:10,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727386291] [2022-12-14 04:42:10,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727386291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:10,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:10,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:42:10,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706866122] [2022-12-14 04:42:10,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:10,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:42:10,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:10,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:42:10,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:10,813 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:10,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:10,830 INFO L93 Difference]: Finished difference Result 118 states and 142 transitions. [2022-12-14 04:42:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:42:10,831 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-12-14 04:42:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:10,832 INFO L225 Difference]: With dead ends: 118 [2022-12-14 04:42:10,832 INFO L226 Difference]: Without dead ends: 84 [2022-12-14 04:42:10,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:10,833 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 27 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:10,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 131 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:10,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-14 04:42:10,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2022-12-14 04:42:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 59 states have internal predecessors, (69), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 04:42:10,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2022-12-14 04:42:10,839 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 20 [2022-12-14 04:42:10,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:10,839 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2022-12-14 04:42:10,840 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2022-12-14 04:42:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 04:42:10,840 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:10,840 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:10,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 04:42:11,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:11,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:11,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:11,044 INFO L85 PathProgramCache]: Analyzing trace with hash 992139829, now seen corresponding path program 1 times [2022-12-14 04:42:11,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:11,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105491505] [2022-12-14 04:42:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:11,047 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 [2022-12-14 04:42:11,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:11,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:11,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:11,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:11,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:11,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:11,268 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:11,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105491505] [2022-12-14 04:42:11,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105491505] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:11,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1682538427] [2022-12-14 04:42:11,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:11,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:42:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:42:11,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:42:11,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 04:42:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:11,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:11,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:11,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:11,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1682538427] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:11,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076156224] [2022-12-14 04:42:11,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:11,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:42:11,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:42:11,538 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:42:11,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 04:42:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:11,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:11,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:11,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 04:42:11,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076156224] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:11,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 04:42:11,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-12-14 04:42:11,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368214810] [2022-12-14 04:42:11,655 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 04:42:11,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 04:42:11,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:11,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 04:42:11,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:42:11,657 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:11,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:11,709 INFO L93 Difference]: Finished difference Result 106 states and 130 transitions. [2022-12-14 04:42:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:42:11,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-12-14 04:42:11,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:11,711 INFO L225 Difference]: With dead ends: 106 [2022-12-14 04:42:11,711 INFO L226 Difference]: Without dead ends: 54 [2022-12-14 04:42:11,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:42:11,712 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 31 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:11,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 234 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-14 04:42:11,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-14 04:42:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 47 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:42:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2022-12-14 04:42:11,717 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 20 [2022-12-14 04:42:11,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:11,717 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2022-12-14 04:42:11,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:11,717 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-12-14 04:42:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 04:42:11,718 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:11,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:11,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 04:42:11,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 04:42:12,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-12-14 04:42:12,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 04:42:12,320 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:12,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:12,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1694198493, now seen corresponding path program 1 times [2022-12-14 04:42:12,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:12,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805124028] [2022-12-14 04:42:12,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:12,324 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 [2022-12-14 04:42:12,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:12,325 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:12,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:12,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 04:42:12,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 04:42:12,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:12,457 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:12,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805124028] [2022-12-14 04:42:12,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805124028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:12,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:12,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:42:12,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079602377] [2022-12-14 04:42:12,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:12,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:42:12,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:12,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:42:12,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:12,459 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:12,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:12,480 INFO L93 Difference]: Finished difference Result 83 states and 97 transitions. [2022-12-14 04:42:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:42:12,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-12-14 04:42:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:12,481 INFO L225 Difference]: With dead ends: 83 [2022-12-14 04:42:12,481 INFO L226 Difference]: Without dead ends: 64 [2022-12-14 04:42:12,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:12,483 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 8 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 102 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 [2022-12-14 04:42:12,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 102 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:12,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-12-14 04:42:12,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2022-12-14 04:42:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 48 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:42:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2022-12-14 04:42:12,491 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 22 [2022-12-14 04:42:12,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:12,492 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2022-12-14 04:42:12,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:42:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2022-12-14 04:42:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 04:42:12,493 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:12,493 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:12,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 04:42:12,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:12,695 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:12,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:12,696 INFO L85 PathProgramCache]: Analyzing trace with hash 290234742, now seen corresponding path program 1 times [2022-12-14 04:42:12,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:12,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184294131] [2022-12-14 04:42:12,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:12,698 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 [2022-12-14 04:42:12,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:12,701 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:12,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:12,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:42:12,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:42:12,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:12,932 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:12,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184294131] [2022-12-14 04:42:12,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184294131] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:12,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:12,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:42:12,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854718101] [2022-12-14 04:42:12,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:12,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:42:12,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:12,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:42:12,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:42:12,933 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 04:42:12,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:12,959 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2022-12-14 04:42:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:42:12,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2022-12-14 04:42:12,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:12,960 INFO L225 Difference]: With dead ends: 64 [2022-12-14 04:42:12,960 INFO L226 Difference]: Without dead ends: 63 [2022-12-14 04:42:12,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:42:12,961 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 5 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:12,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 150 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:12,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-14 04:42:12,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-14 04:42:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.2) internal successors, (60), 55 states have internal predecessors, (60), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 04:42:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2022-12-14 04:42:12,968 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 26 [2022-12-14 04:42:12,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:12,968 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2022-12-14 04:42:12,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 04:42:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-12-14 04:42:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 04:42:12,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:12,969 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:12,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:13,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:13,172 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:13,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1660624431, now seen corresponding path program 1 times [2022-12-14 04:42:13,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:13,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595651071] [2022-12-14 04:42:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:13,175 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 [2022-12-14 04:42:13,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:13,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:13,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-14 04:42:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:13,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:42:13,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:13,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:13,340 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:13,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595651071] [2022-12-14 04:42:13,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595651071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:13,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:13,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:42:13,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444486709] [2022-12-14 04:42:13,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:13,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:42:13,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:13,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:42:13,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:42:13,342 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:42:13,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:13,366 INFO L93 Difference]: Finished difference Result 81 states and 93 transitions. [2022-12-14 04:42:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:42:13,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-12-14 04:42:13,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:13,368 INFO L225 Difference]: With dead ends: 81 [2022-12-14 04:42:13,368 INFO L226 Difference]: Without dead ends: 67 [2022-12-14 04:42:13,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:42:13,369 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:13,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 147 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:13,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-14 04:42:13,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-12-14 04:42:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 59 states have internal predecessors, (64), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 04:42:13,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2022-12-14 04:42:13,375 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 32 [2022-12-14 04:42:13,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:13,375 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2022-12-14 04:42:13,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:42:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2022-12-14 04:42:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 04:42:13,376 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:13,376 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:13,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-14 04:42:13,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:13,577 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:13,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:13,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1457947030, now seen corresponding path program 1 times [2022-12-14 04:42:13,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:13,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357589161] [2022-12-14 04:42:13,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:13,578 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 [2022-12-14 04:42:13,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:13,578 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:13,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-14 04:42:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:13,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:13,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:42:13,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 04:42:13,708 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:13,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357589161] [2022-12-14 04:42:13,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357589161] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:13,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [476156953] [2022-12-14 04:42:13,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:13,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:42:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:42:13,709 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:42:13,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2022-12-14 04:42:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:13,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:13,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:42:13,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 04:42:13,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [476156953] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:13,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060785325] [2022-12-14 04:42:13,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:13,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:42:13,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:42:13,882 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:42:13,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-14 04:42:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:13,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:13,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 04:42:13,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 04:42:13,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060785325] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:13,996 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 04:42:13,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-12-14 04:42:13,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185866184] [2022-12-14 04:42:13,996 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 04:42:13,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 04:42:13,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:13,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 04:42:13,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:42:13,998 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-14 04:42:14,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:14,026 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2022-12-14 04:42:14,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:42:14,027 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 36 [2022-12-14 04:42:14,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:14,027 INFO L225 Difference]: With dead ends: 95 [2022-12-14 04:42:14,027 INFO L226 Difference]: Without dead ends: 58 [2022-12-14 04:42:14,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:42:14,028 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 61 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:14,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 161 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:14,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-14 04:42:14,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-14 04:42:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 51 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:42:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2022-12-14 04:42:14,036 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 36 [2022-12-14 04:42:14,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:14,036 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2022-12-14 04:42:14,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-12-14 04:42:14,036 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2022-12-14 04:42:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 04:42:14,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:14,036 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:14,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2022-12-14 04:42:14,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-14 04:42:14,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-12-14 04:42:14,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:42:14,639 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:14,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:14,640 INFO L85 PathProgramCache]: Analyzing trace with hash -379593707, now seen corresponding path program 1 times [2022-12-14 04:42:14,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:14,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56952581] [2022-12-14 04:42:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:14,642 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 [2022-12-14 04:42:14,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:14,645 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:14,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-14 04:42:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:14,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:14,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:14,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:14,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:14,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56952581] [2022-12-14 04:42:14,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56952581] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:14,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1940538856] [2022-12-14 04:42:14,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:14,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:42:14,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:42:14,766 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:42:14,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2022-12-14 04:42:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:14,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:14,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:14,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:14,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1940538856] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:14,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051552461] [2022-12-14 04:42:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:14,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:42:14,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:42:14,903 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:42:14,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-14 04:42:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:14,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:14,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:14,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:14,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051552461] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:14,987 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 04:42:14,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-12-14 04:42:14,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225484318] [2022-12-14 04:42:14,987 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 04:42:14,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 04:42:14,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:14,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 04:42:14,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:42:14,988 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:42:15,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:15,014 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions. [2022-12-14 04:42:15,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:42:15,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-12-14 04:42:15,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:15,015 INFO L225 Difference]: With dead ends: 72 [2022-12-14 04:42:15,015 INFO L226 Difference]: Without dead ends: 54 [2022-12-14 04:42:15,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:42:15,016 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:15,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 256 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:15,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-14 04:42:15,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-14 04:42:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:42:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2022-12-14 04:42:15,020 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 36 [2022-12-14 04:42:15,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:15,020 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2022-12-14 04:42:15,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:42:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2022-12-14 04:42:15,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 04:42:15,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:15,021 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:15,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2022-12-14 04:42:15,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-12-14 04:42:15,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-14 04:42:15,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:42:15,624 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:15,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:15,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1115902274, now seen corresponding path program 1 times [2022-12-14 04:42:15,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:15,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889695777] [2022-12-14 04:42:15,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:15,627 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 [2022-12-14 04:42:15,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:15,628 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:15,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 (18)] Waiting until timeout for monitored process [2022-12-14 04:42:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:15,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 04:42:15,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:15,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:15,708 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:15,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889695777] [2022-12-14 04:42:15,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889695777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:15,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:15,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:42:15,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125447809] [2022-12-14 04:42:15,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:15,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:42:15,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:15,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:42:15,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:15,709 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:42:15,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:15,719 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2022-12-14 04:42:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:42:15,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2022-12-14 04:42:15,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:15,720 INFO L225 Difference]: With dead ends: 58 [2022-12-14 04:42:15,720 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 04:42:15,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:42:15,721 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:15,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:15,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 04:42:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-14 04:42:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 04:42:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2022-12-14 04:42:15,726 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 37 [2022-12-14 04:42:15,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:15,727 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2022-12-14 04:42:15,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 04:42:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2022-12-14 04:42:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 04:42:15,728 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:15,728 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:15,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 (18)] Ended with exit code 0 [2022-12-14 04:42:15,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:15,929 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:15,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:15,931 INFO L85 PathProgramCache]: Analyzing trace with hash -84912412, now seen corresponding path program 1 times [2022-12-14 04:42:15,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:15,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109962502] [2022-12-14 04:42:15,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:15,933 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 [2022-12-14 04:42:15,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:15,936 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 (19)] Waiting until timeout for monitored process [2022-12-14 04:42:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:16,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:42:16,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 04:42:16,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:16,097 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:16,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109962502] [2022-12-14 04:42:16,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109962502] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:16,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:42:16,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:42:16,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640226478] [2022-12-14 04:42:16,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:16,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:42:16,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:16,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:42:16,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:42:16,099 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 04:42:16,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:16,123 INFO L93 Difference]: Finished difference Result 62 states and 69 transitions. [2022-12-14 04:42:16,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:42:16,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2022-12-14 04:42:16,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:16,124 INFO L225 Difference]: With dead ends: 62 [2022-12-14 04:42:16,124 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 04:42:16,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:42:16,125 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:16,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 143 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:16,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 04:42:16,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-12-14 04:42:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 53 states have internal predecessors, (56), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 04:42:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2022-12-14 04:42:16,131 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 44 [2022-12-14 04:42:16,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:16,131 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2022-12-14 04:42:16,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 04:42:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-12-14 04:42:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 04:42:16,132 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:16,132 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:16,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 (19)] Ended with exit code 0 [2022-12-14 04:42:16,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 [2022-12-14 04:42:16,333 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-14 04:42:16,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:16,334 INFO L85 PathProgramCache]: Analyzing trace with hash 110195643, now seen corresponding path program 1 times [2022-12-14 04:42:16,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:42:16,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909954606] [2022-12-14 04:42:16,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:16,334 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 [2022-12-14 04:42:16,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:42:16,335 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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) [2022-12-14 04:42:16,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 (20)] Waiting until timeout for monitored process [2022-12-14 04:42:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:16,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:16,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 04:42:16,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 04:42:16,471 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:42:16,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909954606] [2022-12-14 04:42:16,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1909954606] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:16,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [678004130] [2022-12-14 04:42:16,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:16,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:42:16,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:42:16,472 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:42:16,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2022-12-14 04:42:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:16,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:42:16,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:16,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 04:42:16,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 04:42:16,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [678004130] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:16,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427497388] [2022-12-14 04:42:16,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:42:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:42:16,653 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:42:16,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-12-14 04:42:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:16,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 04:42:16,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:16,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 04:42:16,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427497388] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:42:16,815 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 04:42:16,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 3, 3] total 12 [2022-12-14 04:42:16,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980078390] [2022-12-14 04:42:16,816 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 04:42:16,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 04:42:16,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:42:16,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 04:42:16,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:42:16,817 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 04:42:16,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:16,886 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-12-14 04:42:16,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 04:42:16,887 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 47 [2022-12-14 04:42:16,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:16,887 INFO L225 Difference]: With dead ends: 65 [2022-12-14 04:42:16,887 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 04:42:16,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-12-14 04:42:16,888 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:16,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 366 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:42:16,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 04:42:16,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 04:42:16,888 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) [2022-12-14 04:42:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 04:42:16,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2022-12-14 04:42:16,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:16,889 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 04:42:16,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-12-14 04:42:16,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 04:42:16,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 04:42:16,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-12-14 04:42:16,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-12-14 04:42:16,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-12-14 04:42:16,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-12-14 04:42:16,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-12-14 04:42:16,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-12-14 04:42:16,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-12-14 04:42:16,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-12-14 04:42:16,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-12-14 04:42:16,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-12-14 04:42:16,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-12-14 04:42:16,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-12-14 04:42:16,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/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 (20)] Forceful destruction successful, exit code 0 [2022-12-14 04:42:17,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-12-14 04:42:17,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2022-12-14 04:42:17,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 04:42:17,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 04:42:17,677 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 04:42:17,677 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 04:42:17,677 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-14 04:42:17,677 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 04:42:17,677 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 04:42:17,677 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 04:42:17,677 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 04:42:17,677 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-12-14 04:42:17,678 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv0 32)) (bvslt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483647 32))) [2022-12-14 04:42:17,678 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2022-12-14 04:42:17,678 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1604 1611) the Hoare annotation is: true [2022-12-14 04:42:17,678 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-14 04:42:17,678 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-12-14 04:42:17,678 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 04:42:17,678 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1598) no Hoare annotation was computed. [2022-12-14 04:42:17,678 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1580) no Hoare annotation was computed. [2022-12-14 04:42:17,678 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-14 04:42:17,678 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (and (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)) (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv0 32))) [2022-12-14 04:42:17,679 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-12-14 04:42:17,679 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2022-12-14 04:42:17,679 INFO L899 garLoopResultBuilder]: For program point L1590-2(line 1590) no Hoare annotation was computed. [2022-12-14 04:42:17,679 INFO L899 garLoopResultBuilder]: For program point L1590-3(line 1590) no Hoare annotation was computed. [2022-12-14 04:42:17,679 INFO L895 garLoopResultBuilder]: At program point L1590-4(lines 1590 1597) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32))) (.cse2 (= |ULTIMATE.start_goodG2B_~h~0#1| (_ bv1 32)))) (or (and (= |ULTIMATE.start_goodG2B_~j~0#1| (_ bv0 32)) .cse0 .cse1 .cse2 (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|)) (and .cse0 .cse1 (= (_ bv3 32) |ULTIMATE.start_goodG2B_~data~1#1|) (= |ULTIMATE.start_goodG2B_~j~0#1| (_ bv1 32)) .cse2))) [2022-12-14 04:42:17,679 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-14 04:42:17,679 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 04:42:17,679 INFO L902 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: true [2022-12-14 04:42:17,679 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-12-14 04:42:17,680 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1603) no Hoare annotation was computed. [2022-12-14 04:42:17,680 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-12-14 04:42:17,680 INFO L899 garLoopResultBuilder]: For program point L1567-2(line 1567) no Hoare annotation was computed. [2022-12-14 04:42:17,680 INFO L899 garLoopResultBuilder]: For program point L1567-3(line 1567) no Hoare annotation was computed. [2022-12-14 04:42:17,680 INFO L895 garLoopResultBuilder]: At program point L1567-4(lines 1567 1579) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)))) (or (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv0 32))) (and (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv1 32)) .cse0))) [2022-12-14 04:42:17,680 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-12-14 04:42:17,680 INFO L902 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: true [2022-12-14 04:42:17,680 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2022-12-14 04:42:17,680 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 04:42:17,680 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)) (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv0 32))) [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1567 1579) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1578) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1586-2(lines 1586 1589) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1553 1566) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1586-3(line 1586) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-12-14 04:42:17,681 INFO L899 garLoopResultBuilder]: For program point L1586-4(line 1586) no Hoare annotation was computed. [2022-12-14 04:42:17,682 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-12-14 04:42:17,682 INFO L895 garLoopResultBuilder]: At program point L1586-5(lines 1586 1589) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)))) (or (and .cse0 (bvsle (bvadd ((_ sign_extend 1) (bvadd (_ bv1 32) |ULTIMATE.start_goodG2B_~data~1#1|)) (_ bv1 33)) (_ bv2147483647 33)) .cse1 (bvsle (bvadd (_ bv1 33) ((_ sign_extend 1) |ULTIMATE.start_goodG2B_~data~1#1|)) (_ bv2147483647 33)) (= |ULTIMATE.start_goodG2B_~h~0#1| (_ bv0 32))) (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| (_ bv1 32)) (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|)))) [2022-12-14 04:42:17,682 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1566) the Hoare annotation is: (or (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)) (and (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv0 32)) (bvslt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483647 32)))) [2022-12-14 04:42:17,682 INFO L899 garLoopResultBuilder]: For program point L1586-6(lines 1586 1589) no Hoare annotation was computed. [2022-12-14 04:42:17,682 INFO L899 garLoopResultBuilder]: For program point L1553-6(lines 1553 1566) no Hoare annotation was computed. [2022-12-14 04:42:17,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2022-12-14 04:42:17,682 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~j~0#1| (_ bv0 32)) (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv1 32)) (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)) (= (_ bv3 32) |ULTIMATE.start_goodG2B_~data~1#1|) (= |ULTIMATE.start_goodG2B_~h~0#1| (_ bv1 32))) [2022-12-14 04:42:17,682 INFO L899 garLoopResultBuilder]: For program point L1595-1(lines 1590 1597) no Hoare annotation was computed. [2022-12-14 04:42:17,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-14 04:42:17,683 INFO L899 garLoopResultBuilder]: For program point L1571(line 1571) no Hoare annotation was computed. [2022-12-14 04:42:17,683 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2022-12-14 04:42:17,685 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:42:17,687 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:42:17,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:42:17 BoogieIcfgContainer [2022-12-14 04:42:17,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:42:17,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:42:17,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:42:17,698 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:42:17,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:42:09" (3/4) ... [2022-12-14 04:42:17,701 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 04:42:17,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 04:42:17,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 04:42:17,708 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 04:42:17,708 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 04:42:17,708 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 04:42:17,708 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 04:42:17,737 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 04:42:17,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:42:17,737 INFO L158 Benchmark]: Toolchain (without parser) took 9978.73ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 45.2MB in the beginning and 64.3MB in the end (delta: -19.1MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-12-14 04:42:17,738 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:42:17,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.46ms. Allocated memory is still 77.6MB. Free memory was 45.0MB in the beginning and 41.9MB in the end (delta: 3.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-12-14 04:42:17,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.61ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 38.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 04:42:17,738 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 77.6MB. Free memory was 38.0MB in the beginning and 36.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:42:17,739 INFO L158 Benchmark]: RCFGBuilder took 359.88ms. Allocated memory is still 77.6MB. Free memory was 36.0MB in the beginning and 40.5MB in the end (delta: -4.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-12-14 04:42:17,739 INFO L158 Benchmark]: TraceAbstraction took 8583.30ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 39.8MB in the beginning and 31.3MB in the end (delta: 8.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-12-14 04:42:17,739 INFO L158 Benchmark]: Witness Printer took 38.98ms. Allocated memory is still 94.4MB. Free memory was 31.3MB in the beginning and 64.3MB in the end (delta: -32.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-12-14 04:42:17,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.46ms. Allocated memory is still 77.6MB. Free memory was 45.0MB in the beginning and 41.9MB in the end (delta: 3.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.61ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 38.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 77.6MB. Free memory was 38.0MB in the beginning and 36.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.88ms. Allocated memory is still 77.6MB. Free memory was 36.0MB in the beginning and 40.5MB in the end (delta: -4.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8583.30ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 39.8MB in the beginning and 31.3MB in the end (delta: 8.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Witness Printer took 38.98ms. Allocated memory is still 94.4MB. Free memory was 31.3MB in the beginning and 64.3MB in the end (delta: -32.9MB). Peak memory consumption was 5.4MB. 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 2107 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1411 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 696 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1035 GetRequests, 983 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=4, InterpolantAutomatonStates: 53, 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, 13 MinimizatonAttempts, 33 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 39 PreInvPairs, 55 NumberOfFragments, 139 HoareAnnotationTreeSize, 39 FomulaSimplifications, 23 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1023 ConstructedInterpolants, 0 QuantifiedInterpolants, 1703 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2020 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 33 InterpolantComputations, 9 PerfectInterpolantSequences, 269/297 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 12 specifications checked. All of them hold - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: ((((j == 0bv32 && k == 1bv32) && i == 1bv32) && h == 1bv32) && 2bv32 == data) || ((((k == 1bv32 && i == 1bv32) && 3bv32 == data) && j == 1bv32) && h == 1bv32) - InvariantResult [Line: 1604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: (i == 1bv32 && k == 0bv32) || (k == 1bv32 && i == 1bv32) - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: ((((k == 1bv32 && ~bvsle32(~bvadd128(~sign_extendFrom16To32(~bvadd128(1bv32, data)), 1bv33), 2147483647bv33)) && i == 1bv32) && ~bvsle32(~bvadd128(1bv33, ~sign_extendFrom16To32(data)), 2147483647bv33)) && h == 0bv32) || (((k == 1bv32 && i == 1bv32) && h == 1bv32) && 2bv32 == data) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: i == 1bv32 || (i == 0bv32 && ~bvslt32(data, 2147483647bv32)) RESULT: Ultimate proved your program to be correct! [2022-12-14 04:42:17,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49657b5b-1776-41af-852e-de8aa0c49798/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE