./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9 --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 67c8082717fe688b9b5c45f5dc06a128b840b4fa3a77916999a526ea5d3d2e54 --- 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-6b4ec56 [2022-11-20 21:03:36,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:03:36,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:03:36,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:03:36,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:03:36,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:03:36,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:03:36,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:03:36,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:03:36,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:03:36,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:03:36,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:03:36,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:03:36,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:03:36,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:03:36,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:03:36,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:03:36,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:03:36,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:03:36,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:03:36,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:03:36,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:03:36,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:03:36,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:03:36,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:03:36,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:03:36,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:03:36,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:03:36,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:03:36,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:03:36,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:03:36,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:03:36,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:03:36,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:03:36,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:03:36,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:03:36,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:03:36,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:03:36,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:03:36,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:03:37,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:03:37,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 21:03:37,041 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:03:37,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:03:37,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:03:37,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:03:37,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:03:37,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:03:37,043 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:03:37,043 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:03:37,044 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:03:37,044 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:03:37,044 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:03:37,044 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:03:37,044 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:03:37,045 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:03:37,045 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:03:37,045 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:03:37,045 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:03:37,046 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:03:37,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:03:37,047 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:03:37,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:03:37,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:03:37,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:03:37,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:03:37,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:03:37,048 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 21:03:37,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:03:37,048 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:03:37,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:03:37,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:03:37,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:03:37,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:03:37,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:03:37,050 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:03:37,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:03:37,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:03:37,051 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:03:37,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:03:37,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:03:37,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:03:37,067 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_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67c8082717fe688b9b5c45f5dc06a128b840b4fa3a77916999a526ea5d3d2e54 [2022-11-20 21:03:37,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:03:37,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:03:37,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:03:37,386 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:03:37,387 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:03:37,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_good.i [2022-11-20 21:03:40,736 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:03:41,284 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:03:41,288 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_good.i [2022-11-20 21:03:41,327 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/data/23c32f36d/c1613bc3c3cd4ce8884cba1c5980fe17/FLAG6b9a1210b [2022-11-20 21:03:41,344 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/data/23c32f36d/c1613bc3c3cd4ce8884cba1c5980fe17 [2022-11-20 21:03:41,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:03:41,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:03:41,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:03:41,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:03:41,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:03:41,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:03:41" (1/1) ... [2022-11-20 21:03:41,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ac47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:41, skipping insertion in model container [2022-11-20 21:03:41,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:03:41" (1/1) ... [2022-11-20 21:03:41,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:03:41,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:03:41,894 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:03:42,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:03:42,531 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:03:42,571 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:03:42,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:03:42,931 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:03:42,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42 WrapperNode [2022-11-20 21:03:42,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:03:42,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:03:42,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:03:42,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:03:42,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,053 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-20 21:03:43,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:03:43,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:03:43,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:03:43,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:03:43,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,093 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:03:43,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:03:43,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:03:43,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:03:43,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (1/1) ... [2022-11-20 21:03:43,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:03:43,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:03:43,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:03:43,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:03:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 21:03:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 21:03:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 21:03:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 21:03:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:03:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:03:43,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:03:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 21:03:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:03:43,409 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:03:43,412 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:03:43,701 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:03:43,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:03:43,912 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 21:03:43,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:03:43 BoogieIcfgContainer [2022-11-20 21:03:43,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:03:43,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:03:43,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:03:43,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:03:43,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:03:41" (1/3) ... [2022-11-20 21:03:43,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8804ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:03:43, skipping insertion in model container [2022-11-20 21:03:43,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:03:42" (2/3) ... [2022-11-20 21:03:43,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8804ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:03:43, skipping insertion in model container [2022-11-20 21:03:43,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:03:43" (3/3) ... [2022-11-20 21:03:43,932 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_17_good.i [2022-11-20 21:03:43,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:03:43,955 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-20 21:03:44,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:03:44,020 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;@208f64e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:03:44,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-20 21:03:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 37 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 21:03:44,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 21:03:44,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:44,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:44,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:44,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:44,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1231915530, now seen corresponding path program 1 times [2022-11-20 21:03:44,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:44,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896236855] [2022-11-20 21:03:44,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:44,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:03:44,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:44,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896236855] [2022-11-20 21:03:44,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896236855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:44,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:03:44,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:03:44,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796196448] [2022-11-20 21:03:44,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:44,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:03:44,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:03:44,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:03:44,746 INFO L87 Difference]: Start difference. First operand has 44 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 37 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:03:44,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:44,859 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2022-11-20 21:03:44,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:03:44,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 7 [2022-11-20 21:03:44,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:44,896 INFO L225 Difference]: With dead ends: 85 [2022-11-20 21:03:44,896 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 21:03:44,902 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 [2022-11-20 21:03:44,910 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:03:44,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:03:44,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 21:03:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-20 21:03:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 38 states have internal predecessors, (42), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 21:03:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2022-11-20 21:03:44,963 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 7 [2022-11-20 21:03:44,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:44,965 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2022-11-20 21:03:44,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:03:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2022-11-20 21:03:44,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 21:03:44,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:44,968 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:44,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:03:44,968 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)] === [2022-11-20 21:03:44,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash -499922354, now seen corresponding path program 1 times [2022-11-20 21:03:44,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:44,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078151654] [2022-11-20 21:03:44,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:03:45,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:45,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078151654] [2022-11-20 21:03:45,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078151654] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:03:45,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280304457] [2022-11-20 21:03:45,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:45,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:03:45,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:03:45,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:03:45,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 21:03:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:45,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:03:45,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:03:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:03:45,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:03:45,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280304457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:45,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:03:45,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 21:03:45,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452498859] [2022-11-20 21:03:45,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:45,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:03:45,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:45,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:03:45,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:03:45,530 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:03:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:45,617 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2022-11-20 21:03:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:03:45,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 10 [2022-11-20 21:03:45,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:45,622 INFO L225 Difference]: With dead ends: 78 [2022-11-20 21:03:45,622 INFO L226 Difference]: Without dead ends: 40 [2022-11-20 21:03:45,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 21:03:45,628 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:03:45,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 79 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-20 21:03:45,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-20 21:03:45,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 21:03:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-20 21:03:45,645 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 10 [2022-11-20 21:03:45,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:45,646 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-20 21:03:45,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:03:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-20 21:03:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 21:03:45,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:45,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:45,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 21:03:45,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:03:45,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:45,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:45,855 INFO L85 PathProgramCache]: Analyzing trace with hash 611278119, now seen corresponding path program 1 times [2022-11-20 21:03:45,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:45,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633715615] [2022-11-20 21:03:45,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:45,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 21:03:45,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:45,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633715615] [2022-11-20 21:03:45,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633715615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:45,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:03:45,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:03:45,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995232750] [2022-11-20 21:03:45,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:45,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:03:45,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:45,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:03:45,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:03:45,936 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:03:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:45,994 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2022-11-20 21:03:45,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:03:45,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2022-11-20 21:03:45,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:45,998 INFO L225 Difference]: With dead ends: 71 [2022-11-20 21:03:46,000 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 21:03:46,001 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 [2022-11-20 21:03:46,006 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 11 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 70 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 [2022-11-20 21:03:46,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 70 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 21:03:46,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 41. [2022-11-20 21:03:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.52) internal successors, (38), 35 states have internal predecessors, (38), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 21:03:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2022-11-20 21:03:46,023 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 12 [2022-11-20 21:03:46,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:46,024 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2022-11-20 21:03:46,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:03:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 21:03:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 21:03:46,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:46,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:46,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:03:46,026 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:46,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:46,027 INFO L85 PathProgramCache]: Analyzing trace with hash 611179511, now seen corresponding path program 1 times [2022-11-20 21:03:46,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:46,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107534061] [2022-11-20 21:03:46,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:46,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 21:03:46,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:46,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107534061] [2022-11-20 21:03:46,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107534061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:46,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:03:46,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:03:46,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399034059] [2022-11-20 21:03:46,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:46,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:03:46,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:46,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:03:46,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:03:46,114 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:03:46,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:46,165 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2022-11-20 21:03:46,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:03:46,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2022-11-20 21:03:46,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:46,168 INFO L225 Difference]: With dead ends: 41 [2022-11-20 21:03:46,168 INFO L226 Difference]: Without dead ends: 40 [2022-11-20 21:03:46,169 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 [2022-11-20 21:03:46,179 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:03:46,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:46,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-20 21:03:46,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-20 21:03:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.48) internal successors, (37), 34 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 21:03:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2022-11-20 21:03:46,195 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 12 [2022-11-20 21:03:46,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:46,196 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2022-11-20 21:03:46,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:03:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-20 21:03:46,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 21:03:46,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:46,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:46,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 21:03:46,199 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:46,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:46,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1766695741, now seen corresponding path program 1 times [2022-11-20 21:03:46,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:46,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990175618] [2022-11-20 21:03:46,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:46,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:03:46,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:46,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990175618] [2022-11-20 21:03:46,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990175618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:46,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:03:46,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:03:46,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897091350] [2022-11-20 21:03:46,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:46,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:03:46,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:46,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:03:46,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:03:46,350 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2022-11-20 21:03:46,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:46,382 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-11-20 21:03:46,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:03:46,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 [2022-11-20 21:03:46,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:46,384 INFO L225 Difference]: With dead ends: 40 [2022-11-20 21:03:46,384 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 21:03:46,385 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 [2022-11-20 21:03:46,386 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:03:46,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:46,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 21:03:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 21:03:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.44) internal successors, (36), 33 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 21:03:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-11-20 21:03:46,394 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 13 [2022-11-20 21:03:46,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:46,395 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-11-20 21:03:46,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2022-11-20 21:03:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-20 21:03:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 21:03:46,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:46,396 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:46,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 21:03:46,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:46,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:46,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1370502306, now seen corresponding path program 1 times [2022-11-20 21:03:46,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:46,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101159531] [2022-11-20 21:03:46,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:46,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 21:03:46,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:46,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101159531] [2022-11-20 21:03:46,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101159531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:46,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:03:46,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:03:46,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276925376] [2022-11-20 21:03:46,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:46,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:03:46,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:46,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:03:46,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:03:46,488 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-20 21:03:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:46,551 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-11-20 21:03:46,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:03:46,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 16 [2022-11-20 21:03:46,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:46,552 INFO L225 Difference]: With dead ends: 49 [2022-11-20 21:03:46,552 INFO L226 Difference]: Without dead ends: 47 [2022-11-20 21:03:46,553 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 [2022-11-20 21:03:46,554 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 6 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 94 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 [2022-11-20 21:03:46,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 94 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:46,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-20 21:03:46,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-20 21:03:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 40 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 21:03:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-11-20 21:03:46,564 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 16 [2022-11-20 21:03:46,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:46,564 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-11-20 21:03:46,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-20 21:03:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-20 21:03:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 21:03:46,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:46,571 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:46,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 21:03:46,572 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:46,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash -544310589, now seen corresponding path program 1 times [2022-11-20 21:03:46,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:46,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956851169] [2022-11-20 21:03:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:03:46,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:46,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956851169] [2022-11-20 21:03:46,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956851169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:46,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:03:46,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:03:46,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339763324] [2022-11-20 21:03:46,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:46,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:03:46,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:46,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:03:46,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:03:46,653 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 21:03:46,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:46,706 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2022-11-20 21:03:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:03:46,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-20 21:03:46,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:46,708 INFO L225 Difference]: With dead ends: 65 [2022-11-20 21:03:46,708 INFO L226 Difference]: Without dead ends: 50 [2022-11-20 21:03:46,709 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 [2022-11-20 21:03:46,710 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 3 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 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 [2022-11-20 21:03:46,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:46,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-20 21:03:46,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-20 21:03:46,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 43 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 21:03:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2022-11-20 21:03:46,731 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 20 [2022-11-20 21:03:46,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:46,732 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-11-20 21:03:46,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 21:03:46,732 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-11-20 21:03:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 21:03:46,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:46,733 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:46,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 21:03:46,734 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)] === [2022-11-20 21:03:46,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:46,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2055101797, now seen corresponding path program 1 times [2022-11-20 21:03:46,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:46,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781877831] [2022-11-20 21:03:46,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:46,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:03:46,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:46,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781877831] [2022-11-20 21:03:46,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781877831] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:03:46,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207139409] [2022-11-20 21:03:46,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:46,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:03:46,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:03:46,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:03:46,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 21:03:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:47,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:03:47,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:03:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:03:47,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:03:47,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207139409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:47,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:03:47,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 21:03:47,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125192079] [2022-11-20 21:03:47,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:47,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:03:47,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:47,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:03:47,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:03:47,043 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 21:03:47,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:47,092 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2022-11-20 21:03:47,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:03:47,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-20 21:03:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:47,095 INFO L225 Difference]: With dead ends: 64 [2022-11-20 21:03:47,095 INFO L226 Difference]: Without dead ends: 46 [2022-11-20 21:03:47,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 21:03:47,097 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 13 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:03:47,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 102 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:47,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-20 21:03:47,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-20 21:03:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.28125) internal successors, (41), 39 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 21:03:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2022-11-20 21:03:47,106 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 23 [2022-11-20 21:03:47,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:47,106 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2022-11-20 21:03:47,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 21:03:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-11-20 21:03:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 21:03:47,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:47,108 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:03:47,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 21:03:47,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-20 21:03:47,315 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)] === [2022-11-20 21:03:47,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:47,315 INFO L85 PathProgramCache]: Analyzing trace with hash 110044222, now seen corresponding path program 1 times [2022-11-20 21:03:47,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:47,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504279609] [2022-11-20 21:03:47,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:47,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 21:03:47,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:47,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504279609] [2022-11-20 21:03:47,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504279609] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:03:47,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516738562] [2022-11-20 21:03:47,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:47,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:03:47,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:03:47,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:03:47,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 21:03:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:47,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 21:03:47,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:03:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 21:03:47,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:03:47,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516738562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:47,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 21:03:47,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 21:03:47,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689753997] [2022-11-20 21:03:47,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:47,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 21:03:47,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:47,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 21:03:47,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 21:03:47,588 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-11-20 21:03:47,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:47,654 INFO L93 Difference]: Finished difference Result 66 states and 73 transitions. [2022-11-20 21:03:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:03:47,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 24 [2022-11-20 21:03:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:47,656 INFO L225 Difference]: With dead ends: 66 [2022-11-20 21:03:47,656 INFO L226 Difference]: Without dead ends: 36 [2022-11-20 21:03:47,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 21:03:47,657 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 35 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:03:47,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 64 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:47,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-20 21:03:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-20 21:03:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 30 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 21:03:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-11-20 21:03:47,664 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 24 [2022-11-20 21:03:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:47,665 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-11-20 21:03:47,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-11-20 21:03:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-20 21:03:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 21:03:47,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:47,666 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] [2022-11-20 21:03:47,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 21:03:47,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-20 21:03:47,873 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:47,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash 716359098, now seen corresponding path program 1 times [2022-11-20 21:03:47,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:47,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377772116] [2022-11-20 21:03:47,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:47,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:03:47,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:47,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377772116] [2022-11-20 21:03:47,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377772116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:47,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:03:47,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:03:47,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761582632] [2022-11-20 21:03:47,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:47,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:03:47,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:47,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:03:47,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:03:47,948 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 21:03:47,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:47,983 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2022-11-20 21:03:47,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:03:47,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-20 21:03:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:47,990 INFO L225 Difference]: With dead ends: 41 [2022-11-20 21:03:47,990 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 21:03:47,990 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 [2022-11-20 21:03:47,991 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 54 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 [2022-11-20 21:03:47,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 54 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:47,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 21:03:48,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 21:03:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 33 states have internal predecessors, (34), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 21:03:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2022-11-20 21:03:48,009 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 24 [2022-11-20 21:03:48,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:48,010 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-20 21:03:48,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 21:03:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-11-20 21:03:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 21:03:48,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:48,017 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] [2022-11-20 21:03:48,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 21:03:48,017 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:48,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1530142354, now seen corresponding path program 1 times [2022-11-20 21:03:48,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:48,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766454911] [2022-11-20 21:03:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:48,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:03:48,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:48,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766454911] [2022-11-20 21:03:48,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766454911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:48,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:03:48,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:03:48,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122267956] [2022-11-20 21:03:48,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:48,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:03:48,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:48,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:03:48,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:03:48,123 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-11-20 21:03:48,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:48,175 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2022-11-20 21:03:48,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:03:48,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 30 [2022-11-20 21:03:48,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:48,176 INFO L225 Difference]: With dead ends: 45 [2022-11-20 21:03:48,177 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 21:03:48,177 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 [2022-11-20 21:03:48,178 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 82 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 [2022-11-20 21:03:48,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 82 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:03:48,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 21:03:48,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 21:03:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.15625) internal successors, (37), 36 states have internal predecessors, (37), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 21:03:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2022-11-20 21:03:48,185 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 30 [2022-11-20 21:03:48,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:48,185 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-11-20 21:03:48,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-11-20 21:03:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-11-20 21:03:48,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 21:03:48,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:48,187 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] [2022-11-20 21:03:48,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 21:03:48,187 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-20 21:03:48,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:48,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1983089271, now seen corresponding path program 1 times [2022-11-20 21:03:48,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:48,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667774178] [2022-11-20 21:03:48,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:48,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:03:48,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:48,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667774178] [2022-11-20 21:03:48,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667774178] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:03:48,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989769348] [2022-11-20 21:03:48,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:48,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:03:48,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:03:48,291 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:03:48,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 21:03:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:48,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 21:03:48,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:03:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:03:48,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:03:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:03:48,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989769348] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:03:48,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [886052168] [2022-11-20 21:03:48,618 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-20 21:03:48,618 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:03:48,623 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:03:48,630 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:03:48,631 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:03:50,043 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 31 for LOIs [2022-11-20 21:03:50,046 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 98 for LOIs [2022-11-20 21:03:50,089 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:03:54,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [886052168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:03:54,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:03:54,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5, 3, 3] total 26 [2022-11-20 21:03:54,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843010251] [2022-11-20 21:03:54,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:03:54,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 21:03:54,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:03:54,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 21:03:54,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-11-20 21:03:54,193 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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) [2022-11-20 21:03:54,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:03:54,985 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2022-11-20 21:03:54,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 21:03:54,986 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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 33 [2022-11-20 21:03:54,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:03:54,987 INFO L225 Difference]: With dead ends: 71 [2022-11-20 21:03:54,987 INFO L226 Difference]: Without dead ends: 42 [2022-11-20 21:03:54,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2022-11-20 21:03:54,988 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 52 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:03:54,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 124 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 345 Invalid, 0 Unknown, 5 Unchecked, 0.5s Time] [2022-11-20 21:03:54,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-20 21:03:55,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-20 21:03:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 21:03:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-11-20 21:03:55,001 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 33 [2022-11-20 21:03:55,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:03:55,001 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-11-20 21:03:55,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 16 states have internal predecessors, (25), 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) [2022-11-20 21:03:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-11-20 21:03:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 21:03:55,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:03:55,002 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] [2022-11-20 21:03:55,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 21:03:55,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 21:03:55,209 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)] === [2022-11-20 21:03:55,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:03:55,210 INFO L85 PathProgramCache]: Analyzing trace with hash -530417242, now seen corresponding path program 1 times [2022-11-20 21:03:55,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:03:55,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445509516] [2022-11-20 21:03:55,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:55,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:03:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 21:03:55,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:03:55,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445509516] [2022-11-20 21:03:55,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445509516] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:03:55,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101185934] [2022-11-20 21:03:55,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:03:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:03:55,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:03:55,316 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:03:55,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 21:03:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:03:55,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 21:03:55,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:03:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:03:55,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:03:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 21:03:55,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101185934] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:03:55,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1389710006] [2022-11-20 21:03:55,534 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-20 21:03:55,534 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:03:55,535 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:03:55,535 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:03:55,535 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:03:56,579 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 66 for LOIs [2022-11-20 21:03:56,599 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 62 for LOIs [2022-11-20 21:03:56,609 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:04:02,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1389710006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:04:02,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:04:02,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [5, 3, 3] total 27 [2022-11-20 21:04:02,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271778714] [2022-11-20 21:04:02,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:04:02,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 21:04:02,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:04:02,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 21:04:02,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2022-11-20 21:04:02,418 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 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) [2022-11-20 21:04:03,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:04:03,011 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2022-11-20 21:04:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 21:04:03,012 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 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 35 [2022-11-20 21:04:03,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:04:03,012 INFO L225 Difference]: With dead ends: 42 [2022-11-20 21:04:03,012 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 21:04:03,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2022-11-20 21:04:03,014 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:04:03,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 17 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 283 Invalid, 0 Unknown, 5 Unchecked, 0.4s Time] [2022-11-20 21:04:03,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 21:04:03,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 21:04:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:04:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 21:04:03,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-11-20 21:04:03,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:04:03,015 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 21:04:03,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 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) [2022-11-20 21:04:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 21:04:03,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 21:04:03,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-20 21:04:03,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-20 21:04:03,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-20 21:04:03,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-20 21:04:03,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-20 21:04:03,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-20 21:04:03,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-20 21:04:03,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-20 21:04:03,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-20 21:04:03,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-20 21:04:03,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-20 21:04:03,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-20 21:04:03,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-20 21:04:03,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:04:03,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 21:04:04,831 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 21:04:04,831 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 21:04:04,831 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 21:04:04,831 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 21:04:04,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-20 21:04:04,831 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-20 21:04:04,831 INFO L899 garLoopResultBuilder]: For program point L1580-2(line 1580) no Hoare annotation was computed. [2022-11-20 21:04:04,832 INFO L899 garLoopResultBuilder]: For program point L1580-3(line 1580) no Hoare annotation was computed. [2022-11-20 21:04:04,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-20 21:04:04,832 INFO L895 garLoopResultBuilder]: At program point L1580-4(lines 1580 1587) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (let ((.cse0 (<= 0 ~GLOBAL_CONST_FALSE~0)) (.cse1 (<= ~globalTrue~0 1)) (.cse2 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse3 (<= ~globalArgc~0 0)) (.cse4 (<= 0 |#NULL.base|)) (.cse5 (<= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse6 (<= 5 ~globalFive~0)) (.cse7 (<= 5 ~GLOBAL_CONST_FIVE~0)) (.cse8 (<= ~GLOBAL_CONST_TRUE~0 1)) (.cse9 (<= ~globalArgv~0.offset 0)) (.cse10 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse11 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse12 (<= ~globalFalse~0 0)) (.cse13 (<= ~GLOBAL_CONST_FIVE~0 5)) (.cse14 (<= |#NULL.offset| 0)) (.cse15 (<= 1 ~GLOBAL_CONST_TRUE~0)) (.cse16 (<= 0 ~globalFalse~0)) (.cse17 (<= 0 ~globalArgc~0)) (.cse18 (<= 0 ~globalArgv~0.base)) (.cse19 (<= |#NULL.base| 0)) (.cse20 (<= ~globalArgv~0.base 0)) (.cse21 (<= ~GLOBAL_CONST_FALSE~0 0)) (.cse22 (<= 0 ~globalArgv~0.offset)) (.cse23 (<= 1 ~globalTrue~0)) (.cse24 (<= |ULTIMATE.start_goodB2G_~k~0#1| 1)) (.cse25 (<= 0 |#NULL.offset|)) (.cse26 (<= ~globalFive~0 5)) (.cse27 (<= 0 |#StackHeapBarrier|)) (.cse28 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1))) (or (and .cse0 (<= |ULTIMATE.start_goodG2B_~data~1#1| 2) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (<= 2 |ULTIMATE.start_goodG2B_~data~1#1|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (<= 0 |ULTIMATE.start_goodG2B_~j~0#1|) .cse27 (<= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse28) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse10 .cse11 .cse12 (<= 3 |ULTIMATE.start_goodG2B_~data~1#1|) .cse13 (<= |ULTIMATE.start_goodG2B_~data~1#1| 3) .cse14 .cse15 (<= 3 |ULTIMATE.start_goodG2B_~result~1#1|) .cse16 .cse17 (<= |ULTIMATE.start_goodG2B_~result~1#1| 3) .cse18 .cse19 .cse20 .cse21 .cse22 (<= |ULTIMATE.start_goodG2B_~j~0#1| 1) .cse23 .cse24 .cse25 .cse26 .cse27 .cse28)))) [2022-11-20 21:04:04,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-20 21:04:04,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 21:04:04,832 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~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 (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) (= (select |#length| 3) 18) (= (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) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-20 21:04:04,833 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-20 21:04:04,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-20 21:04:04,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-20 21:04:04,833 INFO L899 garLoopResultBuilder]: For program point L1557-2(line 1557) no Hoare annotation was computed. [2022-11-20 21:04:04,833 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-11-20 21:04:04,833 INFO L895 garLoopResultBuilder]: At program point L1557-4(lines 1557 1569) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse2 (= ~globalArgv~0.offset 0)) (.cse3 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse4 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse5 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) (.cse6 (= ~globalArgv~0.base 0)) (.cse7 (= |#NULL.offset| 0)) (.cse8 (= ~globalFalse~0 0)) (.cse9 (= ~globalArgc~0 0)) (.cse10 (= 5 ~globalFive~0)) (.cse11 (<= 0 |#StackHeapBarrier|)) (.cse12 (<= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse13 (= |#NULL.base| 0)) (.cse14 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) .cse10 .cse11 .cse12 .cse13 .cse14))) [2022-11-20 21:04:04,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-20 21:04:04,833 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-11-20 21:04:04,833 INFO L902 garLoopResultBuilder]: At program point L1599-1(line 1599) the Hoare annotation is: true [2022-11-20 21:04:04,833 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2022-11-20 21:04:04,834 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-20 21:04:04,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-20 21:04:04,834 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (= ~globalArgv~0.base 0) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-20 21:04:04,834 INFO L899 garLoopResultBuilder]: For program point L1567-1(lines 1557 1569) no Hoare annotation was computed. [2022-11-20 21:04:04,834 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1568) no Hoare annotation was computed. [2022-11-20 21:04:04,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-20 21:04:04,834 INFO L899 garLoopResultBuilder]: For program point L1576-3(line 1576) no Hoare annotation was computed. [2022-11-20 21:04:04,834 INFO L899 garLoopResultBuilder]: For program point L1576-4(line 1576) no Hoare annotation was computed. [2022-11-20 21:04:04,835 INFO L895 garLoopResultBuilder]: At program point L1576-5(lines 1576 1579) the Hoare annotation is: (and (<= ~GLOBAL_CONST_TRUE~0 1) (<= ~globalArgv~0.offset 0) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (<= ~globalFalse~0 0) (<= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= 1 ~GLOBAL_CONST_TRUE~0) (<= 0 ~globalFalse~0) (<= 0 ~globalArgv~0.base) (<= ~globalArgv~0.base 0) (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse2 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse3 (= ~globalArgc~0 0)) (.cse4 (= 5 ~globalFive~0)) (.cse5 (= |#NULL.base| 0)) (.cse6 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~data~1#1| 0) .cse2 (= |ULTIMATE.start_goodG2B_~h~0#1| 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 (= |ULTIMATE.start_goodG2B_~h~0#1| 1) .cse1 (= |ULTIMATE.start_goodG2B_~data~1#1| 2) .cse2 .cse3 .cse4 .cse5 .cse6))) (<= 0 ~globalArgv~0.offset) (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1)) [2022-11-20 21:04:04,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-20 21:04:04,835 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodG2B_~h~0#1| 1) (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= 3 |ULTIMATE.start_goodG2B_~result~1#1|) (<= |ULTIMATE.start_goodG2B_~result~1#1| 3) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_goodG2B_~result~1#1| |ULTIMATE.start_goodG2B_~data~1#1|) (= |#NULL.offset| 0) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (<= |ULTIMATE.start_goodB2G_~k~0#1| 1) (= 5 ~globalFive~0) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= |#NULL.base| 0) (= ~globalTrue~0 1)) [2022-11-20 21:04:04,835 INFO L899 garLoopResultBuilder]: For program point L1585-1(lines 1580 1587) no Hoare annotation was computed. [2022-11-20 21:04:04,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 21:04:04,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-20 21:04:04,835 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-20 21:04:04,835 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-11-20 21:04:04,835 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-11-20 21:04:04,835 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-11-20 21:04:04,836 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) (.cse2 (= ~globalArgc~0 0)) (.cse3 (= 5 ~globalFive~0)) (.cse4 (= |#NULL.base| 0)) (.cse5 (= ~globalTrue~0 1))) (or (and .cse0 (= |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 (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|) .cse1 (= |ULTIMATE.start_goodB2G_~i~1#1| 0) (= (select |#valid| 4) 1) (= (select |#length| 3) 18) (= (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) (= 54 (select |#length| 2)) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= 16 (select |#length| 4)) (= |#NULL.offset| 0) (= ~globalFalse~0 0) .cse2 .cse3 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646) (< 0 |#StackHeapBarrier|) .cse4 .cse5) (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (<= 5 ~GLOBAL_CONST_FIVE~0) (<= ~GLOBAL_CONST_TRUE~0 1) (<= ~globalArgv~0.offset 0) (<= ~globalFalse~0 0) (<= ~GLOBAL_CONST_FIVE~0 5) (<= |#NULL.offset| 0) .cse1 (<= 1 ~GLOBAL_CONST_TRUE~0) (<= 0 ~globalFalse~0) (<= 0 ~globalArgv~0.base) (<= ~globalArgv~0.base 0) (<= 0 ~globalArgv~0.offset) .cse2 (<= 0 |#NULL.offset|) .cse3 (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_goodB2G_~i~1#1| 1) .cse4 .cse5))) [2022-11-20 21:04:04,836 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-20 21:04:04,836 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-20 21:04:04,839 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:04:04,841 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:04:04,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:04:04 BoogieIcfgContainer [2022-11-20 21:04:04,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:04:04,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:04:04,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:04:04,868 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:04:04,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:03:43" (3/4) ... [2022-11-20 21:04:04,872 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 21:04:04,878 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 21:04:04,878 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 21:04:04,883 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 21:04:04,883 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 21:04:04,884 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 21:04:04,884 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 21:04:04,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == argv) && argv == argv) && 0 <= data + 2147483648) && i == 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == argv) && globalArgv == 0) && \old(argc) == \old(argc)) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483646) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && globalFalse <= 0) && GLOBAL_CONST_FIVE <= 5) && #NULL <= 0) && 0 <= data + 2147483648) && 1 <= GLOBAL_CONST_TRUE) && 0 <= globalFalse) && 0 <= globalArgv) && globalArgv <= 0) && 0 <= globalArgv) && globalArgc == 0) && 0 <= #NULL) && 5 == globalFive) && 0 <= unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) [2022-11-20 21:04:04,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 21:04:04,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:04:04,929 INFO L158 Benchmark]: Toolchain (without parser) took 23579.52ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 141.9MB in the beginning and 122.9MB in the end (delta: 19.1MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2022-11-20 21:04:04,929 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:04:04,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1581.89ms. Allocated memory is still 174.1MB. Free memory was 141.9MB in the beginning and 133.2MB in the end (delta: 8.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 21:04:04,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.79ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 130.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:04:04,930 INFO L158 Benchmark]: Boogie Preprocessor took 35.89ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:04:04,930 INFO L158 Benchmark]: RCFGBuilder took 817.18ms. Allocated memory is still 174.1MB. Free memory was 128.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 21:04:04,931 INFO L158 Benchmark]: TraceAbstraction took 20948.81ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 106.1MB in the beginning and 127.1MB in the end (delta: -21.0MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2022-11-20 21:04:04,931 INFO L158 Benchmark]: Witness Printer took 59.97ms. Allocated memory is still 209.7MB. Free memory was 127.1MB in the beginning and 122.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 21:04:04,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1581.89ms. Allocated memory is still 174.1MB. Free memory was 141.9MB in the beginning and 133.2MB in the end (delta: 8.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.79ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 130.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.89ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 817.18ms. Allocated memory is still 174.1MB. Free memory was 128.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 20948.81ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 106.1MB in the beginning and 127.1MB in the end (delta: -21.0MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. * Witness Printer took 59.97ms. Allocated memory is still 209.7MB. Free memory was 127.1MB in the beginning and 122.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 20.8s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 233 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 997 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 613 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 940 IncrementalHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 384 mSDtfsCounter, 940 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 213 SyntacticMatches, 11 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=7, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 31 PreInvPairs, 50 NumberOfFragments, 895 HoareAnnotationTreeSize, 31 FomulaSimplifications, 392 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 1860 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 692 SizeOfPredicates, 3 NumberOfNonLiveVariables, 652 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 89/102 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: 2.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 64, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 104, TOOLS_POST_TIME: 1.4s, TOOLS_POST_CALL_APPLICATIONS: 26, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 20, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 142, TOOLS_QUANTIFIERELIM_TIME: 1.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 224, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 36, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 64, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME: 0.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 20, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 2871, DAG_COMPRESSION_RETAINED_NODES: 230, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: ((((((((((((((GLOBAL_CONST_TRUE <= 1 && globalArgv <= 0) && 1 <= k) && globalFalse <= 0) && #NULL <= 0) && 0 <= data + 2147483648) && 1 <= GLOBAL_CONST_TRUE) && 0 <= globalFalse) && 0 <= globalArgv) && globalArgv <= 0) && (((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && data == 0) && 5 == GLOBAL_CONST_FIVE) && h == 0) && globalArgc == 0) && 5 == globalFive) && #NULL == 0) && globalTrue == 1) || ((((((((GLOBAL_CONST_FALSE == 0 && h == 1) && 1 <= i) && data == 2) && 5 == GLOBAL_CONST_FIVE) && globalArgc == 0) && 5 == globalFive) && #NULL == 0) && globalTrue == 1))) && 0 <= globalArgv) && k <= 1) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && i <= 1 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 && (((((((((((((((((((((((((((((((((0 <= GLOBAL_CONST_FALSE && data <= 2) && globalTrue <= 1) && 1 <= i) && globalArgc <= 0) && 0 <= #NULL) && h <= 1) && 5 <= globalFive) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && 1 <= h) && 1 <= k) && globalFalse <= 0) && GLOBAL_CONST_FIVE <= 5) && #NULL <= 0) && 1 <= GLOBAL_CONST_TRUE) && 0 <= globalFalse) && 0 <= globalArgc) && 0 <= globalArgv) && 2 <= data) && #NULL <= 0) && globalArgv <= 0) && GLOBAL_CONST_FALSE <= 0) && 0 <= globalArgv) && 1 <= globalTrue) && k <= 1) && 0 <= #NULL) && globalFive <= 5) && 0 <= j) && 0 <= unknown-#StackHeapBarrier-unknown) && j <= 0) && i <= 1) || ((((((((((((((((((((((((((((((((((0 <= GLOBAL_CONST_FALSE && globalTrue <= 1) && 1 <= i) && globalArgc <= 0) && 0 <= #NULL) && h <= 1) && 5 <= globalFive) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && 1 <= j) && 1 <= h) && 1 <= k) && globalFalse <= 0) && 3 <= data) && GLOBAL_CONST_FIVE <= 5) && data <= 3) && #NULL <= 0) && 1 <= GLOBAL_CONST_TRUE) && 3 <= result) && 0 <= globalFalse) && 0 <= globalArgc) && result <= 3) && 0 <= globalArgv) && #NULL <= 0) && globalArgv <= 0) && GLOBAL_CONST_FALSE <= 0) && 0 <= globalArgv) && j <= 1) && 1 <= globalTrue) && k <= 1) && 0 <= #NULL) && globalFive <= 5) && 0 <= unknown-#StackHeapBarrier-unknown) && i <= 1)) - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && argv == argv) && argc == \old(argc)) && unknown-#memory_int-unknown[1][0] == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && \valid[3] == 1) && GLOBAL_CONST_TRUE == 1) && argv == argv) && argv == argv) && 0 <= data + 2147483648) && i == 0) && \valid[4] == 1) && unknown-#length-unknown[3] == 18) && \valid[1] == 1) && argv == argv) && globalArgv == 0) && \old(argc) == \old(argc)) && \valid[0] == 0) && 54 == unknown-#length-unknown[2]) && unknown-#length-unknown[1] == 1) && \valid[2] == 1) && 16 == unknown-#length-unknown[4]) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && data <= 2147483646) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && 5 <= GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE <= 1) && globalArgv <= 0) && globalFalse <= 0) && GLOBAL_CONST_FIVE <= 5) && #NULL <= 0) && 0 <= data + 2147483648) && 1 <= GLOBAL_CONST_TRUE) && 0 <= globalFalse) && 0 <= globalArgv) && globalArgv <= 0) && 0 <= globalArgv) && globalArgc == 0) && 0 <= #NULL) && 5 == globalFive) && 0 <= unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: (((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && k == 0) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE == 1) && 0 <= data + 2147483648) && globalArgv == 0) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && 5 == globalFive) && 0 <= unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) || ((((((((((((((((GLOBAL_CONST_FALSE == 0 && 1 <= i) && 1 <= k) && globalArgv == 0) && 5 == GLOBAL_CONST_FIVE) && GLOBAL_CONST_TRUE == 1) && 0 <= data + 2147483648) && globalArgv == 0) && #NULL == 0) && globalFalse == 0) && globalArgc == 0) && k <= 1) && 5 == globalFive) && 0 <= unknown-#StackHeapBarrier-unknown) && i <= 1) && #NULL == 0) && globalTrue == 1) RESULT: Ultimate proved your program to be correct! [2022-11-20 21:04:04,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c9b1e61-9d6a-48c4-8967-a3f4614f2e57/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE