./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a0ded48a303ab690dff2e7668bec542c09f225c743d4f877fc37f0bda851a35 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:40:46,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:40:46,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:40:47,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:40:47,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:40:47,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:40:47,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:40:47,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:40:47,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:40:47,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:40:47,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:40:47,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:40:47,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:40:47,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:40:47,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:40:47,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:40:47,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:40:47,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:40:47,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:40:47,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:40:47,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:40:47,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:40:47,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:40:47,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:40:47,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:40:47,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:40:47,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:40:47,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:40:47,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:40:47,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:40:47,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:40:47,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:40:47,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:40:47,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:40:47,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:40:47,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:40:47,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:40:47,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:40:47,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:40:47,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:40:47,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:40:47,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:40:47,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:40:47,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:40:47,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:40:47,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:40:47,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:40:47,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:40:47,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:40:47,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:40:47,148 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:40:47,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:40:47,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:40:47,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:40:47,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:40:47,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:40:47,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:40:47,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:40:47,151 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:40:47,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:40:47,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:40:47,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:40:47,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:40:47,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:40:47,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:40:47,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:40:47,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:40:47,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:40:47,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:40:47,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:40:47,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:40:47,154 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:40:47,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:40:47,155 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:40:47,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:40:47,155 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0ded48a303ab690dff2e7668bec542c09f225c743d4f877fc37f0bda851a35 [2022-11-25 16:40:47,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:40:47,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:40:47,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:40:47,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:40:47,436 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:40:47,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_good.i [2022-11-25 16:40:50,544 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:40:51,020 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:40:51,024 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_good.i [2022-11-25 16:40:51,054 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/data/e0839f09c/dd3ddb80f9d341399faf8d9176940607/FLAG126af62e1 [2022-11-25 16:40:51,071 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/data/e0839f09c/dd3ddb80f9d341399faf8d9176940607 [2022-11-25 16:40:51,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:40:51,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:40:51,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:40:51,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:40:51,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:40:51,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:51" (1/1) ... [2022-11-25 16:40:51,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77333aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:51, skipping insertion in model container [2022-11-25 16:40:51,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:51" (1/1) ... [2022-11-25 16:40:51,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:40:51,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:40:51,547 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:40:52,082 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:40:52,088 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:40:52,090 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:40:52,093 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:40:52,093 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:40:52,150 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:40:52,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:40:52,173 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:40:52,210 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:40:52,257 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:40:52,259 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:40:52,260 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:40:52,262 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:40:52,266 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:40:52,289 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:40:52,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:40:52,450 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:40:52,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52 WrapperNode [2022-11-25 16:40:52,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:40:52,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:40:52,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:40:52,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:40:52,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,512 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-25 16:40:52,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:40:52,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:40:52,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:40:52,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:40:52,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,541 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:40:52,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:40:52,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:40:52,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:40:52,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (1/1) ... [2022-11-25 16:40:52,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:40:52,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:40:52,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:40:52,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:40:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 16:40:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 16:40:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:40:52,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:40:52,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:40:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:40:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:40:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:40:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:40:52,873 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:40:52,875 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:40:53,204 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:40:53,210 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:40:53,211 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 16:40:53,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:53 BoogieIcfgContainer [2022-11-25 16:40:53,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:40:53,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:40:53,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:40:53,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:40:53,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:40:51" (1/3) ... [2022-11-25 16:40:53,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@914ddaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:40:53, skipping insertion in model container [2022-11-25 16:40:53,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:52" (2/3) ... [2022-11-25 16:40:53,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@914ddaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:40:53, skipping insertion in model container [2022-11-25 16:40:53,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:53" (3/3) ... [2022-11-25 16:40:53,228 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_17_good.i [2022-11-25 16:40:53,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:40:53,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-25 16:40:53,318 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:40:53,327 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=PETRI_NET, 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;@5bef3522, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:40:53,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-25 16:40:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 52 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 16:40:53,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 16:40:53,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:53,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:53,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 16:40:53,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:53,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1426426797, now seen corresponding path program 1 times [2022-11-25 16:40:53,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:53,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821886731] [2022-11-25 16:40:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:53,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:40:53,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:53,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821886731] [2022-11-25 16:40:53,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821886731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:53,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:53,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:40:53,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131849107] [2022-11-25 16:40:53,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:53,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:40:53,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:53,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:40:53,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:40:53,843 INFO L87 Difference]: Start difference. First operand has 59 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 52 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 3.6666666666666665) 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) [2022-11-25 16:40:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:53,885 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2022-11-25 16:40:53,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:40:53,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) 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 [2022-11-25 16:40:53,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:53,896 INFO L225 Difference]: With dead ends: 114 [2022-11-25 16:40:53,897 INFO L226 Difference]: Without dead ends: 60 [2022-11-25 16:40:53,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:40:53,903 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 8 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:53,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 129 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:53,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-25 16:40:53,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2022-11-25 16:40:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 47 states have internal predecessors, (53), 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) [2022-11-25 16:40:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2022-11-25 16:40:53,944 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 13 [2022-11-25 16:40:53,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:53,945 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2022-11-25 16:40:53,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) 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) [2022-11-25 16:40:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2022-11-25 16:40:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 16:40:53,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:53,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:53,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:40:53,948 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)] === [2022-11-25 16:40:53,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:53,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1425014735, now seen corresponding path program 1 times [2022-11-25 16:40:53,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:53,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201334353] [2022-11-25 16:40:53,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:53,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:54,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:40:54,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:54,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201334353] [2022-11-25 16:40:54,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201334353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:54,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:54,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:40:54,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857151309] [2022-11-25 16:40:54,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:54,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:40:54,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:54,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:40:54,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:40:54,154 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2022-11-25 16:40:54,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:54,200 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2022-11-25 16:40:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:40:54,204 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), 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 [2022-11-25 16:40:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:54,205 INFO L225 Difference]: With dead ends: 60 [2022-11-25 16:40:54,209 INFO L226 Difference]: Without dead ends: 58 [2022-11-25 16:40:54,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:40:54,211 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 4 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:54,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 164 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:54,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-25 16:40:54,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-25 16:40:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.475) internal successors, (59), 52 states have internal predecessors, (59), 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) [2022-11-25 16:40:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2022-11-25 16:40:54,225 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 13 [2022-11-25 16:40:54,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:54,225 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2022-11-25 16:40:54,225 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2022-11-25 16:40:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 16:40:54,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:54,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:54,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:40:54,227 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 16:40:54,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:54,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1326614612, now seen corresponding path program 1 times [2022-11-25 16:40:54,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:54,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460638836] [2022-11-25 16:40:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:54,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:40:54,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:54,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460638836] [2022-11-25 16:40:54,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460638836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:54,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:54,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:40:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627376645] [2022-11-25 16:40:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:54,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:40:54,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:54,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:40:54,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:40:54,447 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:54,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:54,494 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2022-11-25 16:40:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:40:54,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (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 19 [2022-11-25 16:40:54,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:54,504 INFO L225 Difference]: With dead ends: 58 [2022-11-25 16:40:54,504 INFO L226 Difference]: Without dead ends: 57 [2022-11-25 16:40:54,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:40:54,506 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 36 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:54,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 120 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:54,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-25 16:40:54,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-25 16:40:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 40 states have (on average 1.45) internal successors, (58), 51 states have internal predecessors, (58), 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) [2022-11-25 16:40:54,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2022-11-25 16:40:54,525 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 19 [2022-11-25 16:40:54,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:54,525 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2022-11-25 16:40:54,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:54,525 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2022-11-25 16:40:54,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 16:40:54,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:54,526 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:54,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:40:54,527 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 16:40:54,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:54,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1325202550, now seen corresponding path program 1 times [2022-11-25 16:40:54,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:54,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265542583] [2022-11-25 16:40:54,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:54,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:40:54,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:54,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265542583] [2022-11-25 16:40:54,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265542583] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:40:54,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118788250] [2022-11-25 16:40:54,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:54,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:40:54,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:40:54,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:40:54,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 16:40:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:54,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:40:54,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:40:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:40:54,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:40:54,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118788250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:54,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:40:54,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 16:40:54,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116988390] [2022-11-25 16:40:54,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:54,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:40:54,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:54,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:40:54,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:40:54,933 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:54,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:54,961 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2022-11-25 16:40:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:40:54,962 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), 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 19 [2022-11-25 16:40:54,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:54,963 INFO L225 Difference]: With dead ends: 97 [2022-11-25 16:40:54,963 INFO L226 Difference]: Without dead ends: 50 [2022-11-25 16:40:54,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:40:54,965 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 36 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:54,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 132 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-25 16:40:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-25 16:40:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.4) internal successors, (49), 44 states have internal predecessors, (49), 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) [2022-11-25 16:40:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2022-11-25 16:40:54,973 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 19 [2022-11-25 16:40:54,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:54,973 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2022-11-25 16:40:54,974 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-11-25 16:40:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 16:40:54,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:54,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:54,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 16:40:55,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:40:55,180 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)] === [2022-11-25 16:40:55,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:55,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1824620072, now seen corresponding path program 1 times [2022-11-25 16:40:55,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:55,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988016313] [2022-11-25 16:40:55,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:55,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:40:55,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:55,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988016313] [2022-11-25 16:40:55,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988016313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:55,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:55,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:40:55,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298695003] [2022-11-25 16:40:55,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:55,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:40:55,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:55,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:40:55,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:40:55,239 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:55,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:55,262 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2022-11-25 16:40:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:40:55,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-25 16:40:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:55,265 INFO L225 Difference]: With dead ends: 50 [2022-11-25 16:40:55,265 INFO L226 Difference]: Without dead ends: 49 [2022-11-25 16:40:55,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:40:55,269 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:55,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:55,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-25 16:40:55,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-25 16:40:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 43 states have internal predecessors, (48), 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) [2022-11-25 16:40:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2022-11-25 16:40:55,291 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 20 [2022-11-25 16:40:55,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:55,291 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2022-11-25 16:40:55,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2022-11-25 16:40:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 16:40:55,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:55,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:55,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 16:40:55,294 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 16:40:55,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:55,297 INFO L85 PathProgramCache]: Analyzing trace with hash 727360498, now seen corresponding path program 1 times [2022-11-25 16:40:55,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:55,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978640986] [2022-11-25 16:40:55,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 16:40:55,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:55,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978640986] [2022-11-25 16:40:55,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978640986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:55,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:55,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:40:55,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114846040] [2022-11-25 16:40:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:55,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:40:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:40:55,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:40:55,348 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:55,367 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2022-11-25 16:40:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:40:55,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2022-11-25 16:40:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:55,369 INFO L225 Difference]: With dead ends: 82 [2022-11-25 16:40:55,369 INFO L226 Difference]: Without dead ends: 60 [2022-11-25 16:40:55,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:40:55,370 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 9 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:55,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 106 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:55,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-25 16:40:55,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 50. [2022-11-25 16:40:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 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) [2022-11-25 16:40:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2022-11-25 16:40:55,379 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 21 [2022-11-25 16:40:55,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:55,380 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2022-11-25 16:40:55,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:40:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-11-25 16:40:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 16:40:55,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:55,381 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:55,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 16:40:55,382 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 16:40:55,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:55,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1773386530, now seen corresponding path program 1 times [2022-11-25 16:40:55,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:55,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542086192] [2022-11-25 16:40:55,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:55,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 16:40:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 16:40:55,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:55,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542086192] [2022-11-25 16:40:55,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542086192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:55,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:55,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:40:55,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94140698] [2022-11-25 16:40:55,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:55,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:40:55,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:55,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:40:55,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:40:55,453 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-25 16:40:55,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:55,481 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2022-11-25 16:40:55,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:40:55,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2022-11-25 16:40:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:55,483 INFO L225 Difference]: With dead ends: 60 [2022-11-25 16:40:55,483 INFO L226 Difference]: Without dead ends: 58 [2022-11-25 16:40:55,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:40:55,485 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 6 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:55,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 155 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-25 16:40:55,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-25 16:40:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 51 states have internal predecessors, (56), 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) [2022-11-25 16:40:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2022-11-25 16:40:55,503 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 25 [2022-11-25 16:40:55,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:55,503 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2022-11-25 16:40:55,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-25 16:40:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2022-11-25 16:40:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 16:40:55,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:55,504 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:55,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 16:40:55,505 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)] === [2022-11-25 16:40:55,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:55,505 INFO L85 PathProgramCache]: Analyzing trace with hash -268046695, now seen corresponding path program 1 times [2022-11-25 16:40:55,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:55,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092157609] [2022-11-25 16:40:55,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:55,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 16:40:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 16:40:55,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:55,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092157609] [2022-11-25 16:40:55,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092157609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:55,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:55,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:40:55,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704709942] [2022-11-25 16:40:55,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:55,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:40:55,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:55,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:40:55,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:40:55,600 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:40:55,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:55,636 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2022-11-25 16:40:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:40:55,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 31 [2022-11-25 16:40:55,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:55,641 INFO L225 Difference]: With dead ends: 79 [2022-11-25 16:40:55,641 INFO L226 Difference]: Without dead ends: 62 [2022-11-25 16:40:55,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:40:55,644 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 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 [2022-11-25 16:40:55,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:55,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-25 16:40:55,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-25 16:40:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 55 states have internal predecessors, (60), 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) [2022-11-25 16:40:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2022-11-25 16:40:55,655 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 31 [2022-11-25 16:40:55,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:55,655 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2022-11-25 16:40:55,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:40:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2022-11-25 16:40:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-25 16:40:55,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:55,657 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:55,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 16:40:55,657 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)] === [2022-11-25 16:40:55,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:55,658 INFO L85 PathProgramCache]: Analyzing trace with hash -52733367, now seen corresponding path program 1 times [2022-11-25 16:40:55,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:55,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86154931] [2022-11-25 16:40:55,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:55,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 16:40:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-25 16:40:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 16:40:55,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:55,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86154931] [2022-11-25 16:40:55,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86154931] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:40:55,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603383946] [2022-11-25 16:40:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:55,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:40:55,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:40:55,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:40:55,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 16:40:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:55,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:40:55,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:40:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 16:40:55,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:40:55,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603383946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:55,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:40:55,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 16:40:55,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973477261] [2022-11-25 16:40:55,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:55,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:40:55,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:55,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:40:55,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:40:55,926 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-25 16:40:55,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:55,957 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2022-11-25 16:40:55,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:40:55,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 [2022-11-25 16:40:55,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:55,959 INFO L225 Difference]: With dead ends: 93 [2022-11-25 16:40:55,959 INFO L226 Difference]: Without dead ends: 52 [2022-11-25 16:40:55,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:40:55,960 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 45 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:55,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 122 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:55,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-25 16:40:55,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-25 16:40:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.25) internal successors, (50), 46 states have internal predecessors, (50), 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) [2022-11-25 16:40:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2022-11-25 16:40:55,968 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 35 [2022-11-25 16:40:55,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:55,968 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2022-11-25 16:40:55,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-25 16:40:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2022-11-25 16:40:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-25 16:40:55,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:55,970 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:55,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:40:56,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 16:40:56,176 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 16:40:56,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:56,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2013298923, now seen corresponding path program 1 times [2022-11-25 16:40:56,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:56,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800582752] [2022-11-25 16:40:56,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:56,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 16:40:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 16:40:56,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:56,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800582752] [2022-11-25 16:40:56,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800582752] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:40:56,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160656181] [2022-11-25 16:40:56,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:56,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:40:56,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:40:56,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:40:56,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 16:40:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:40:56,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:40:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 16:40:56,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:40:56,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160656181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:56,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:40:56,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 16:40:56,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915219033] [2022-11-25 16:40:56,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:56,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:40:56,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:56,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:40:56,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:40:56,407 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:40:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:56,433 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2022-11-25 16:40:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:40:56,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 35 [2022-11-25 16:40:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:56,435 INFO L225 Difference]: With dead ends: 68 [2022-11-25 16:40:56,435 INFO L226 Difference]: Without dead ends: 47 [2022-11-25 16:40:56,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:40:56,436 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 26 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:56,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 127 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:56,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-25 16:40:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-25 16:40:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 41 states have internal predecessors, (44), 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) [2022-11-25 16:40:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2022-11-25 16:40:56,455 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 35 [2022-11-25 16:40:56,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:56,455 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2022-11-25 16:40:56,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:40:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2022-11-25 16:40:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 16:40:56,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:56,456 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:56,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:40:56,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:40:56,657 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 16:40:56,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:56,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2012191493, now seen corresponding path program 1 times [2022-11-25 16:40:56,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:56,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279039672] [2022-11-25 16:40:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 16:40:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 16:40:56,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:56,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279039672] [2022-11-25 16:40:56,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279039672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:56,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:56,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:40:56,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26028745] [2022-11-25 16:40:56,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:56,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:40:56,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:56,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:40:56,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:40:56,742 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:40:56,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:56,762 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2022-11-25 16:40:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:40:56,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-25 16:40:56,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:56,764 INFO L225 Difference]: With dead ends: 52 [2022-11-25 16:40:56,764 INFO L226 Difference]: Without dead ends: 50 [2022-11-25 16:40:56,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:40:56,765 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:56,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 138 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:56,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-25 16:40:56,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-25 16:40:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.175) internal successors, (47), 44 states have internal predecessors, (47), 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) [2022-11-25 16:40:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2022-11-25 16:40:56,771 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 36 [2022-11-25 16:40:56,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:56,772 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2022-11-25 16:40:56,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 16:40:56,772 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2022-11-25 16:40:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 16:40:56,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:56,776 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:56,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 16:40:56,776 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-25 16:40:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1696630525, now seen corresponding path program 1 times [2022-11-25 16:40:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:56,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159980381] [2022-11-25 16:40:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 16:40:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 16:40:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 16:40:56,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:56,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159980381] [2022-11-25 16:40:56,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159980381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:56,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:40:56,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 16:40:56,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656834837] [2022-11-25 16:40:56,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:56,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:40:56,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:56,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:40:56,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:40:56,867 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-25 16:40:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:56,892 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2022-11-25 16:40:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:40:56,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 43 [2022-11-25 16:40:56,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:56,894 INFO L225 Difference]: With dead ends: 56 [2022-11-25 16:40:56,894 INFO L226 Difference]: Without dead ends: 54 [2022-11-25 16:40:56,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:40:56,895 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:56,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 142 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-25 16:40:56,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-25 16:40:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 16:40:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2022-11-25 16:40:56,906 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 43 [2022-11-25 16:40:56,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:56,908 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2022-11-25 16:40:56,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-11-25 16:40:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2022-11-25 16:40:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 16:40:56,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:40:56,909 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:56,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 16:40:56,910 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)] === [2022-11-25 16:40:56,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:40:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1144964652, now seen corresponding path program 1 times [2022-11-25 16:40:56,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:40:56,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308412963] [2022-11-25 16:40:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:40:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:40:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 16:40:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 16:40:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 16:40:57,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:40:57,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308412963] [2022-11-25 16:40:57,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308412963] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:40:57,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670080082] [2022-11-25 16:40:57,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:40:57,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:40:57,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:40:57,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:40:57,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 16:40:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:40:57,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:40:57,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:40:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 16:40:57,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:40:57,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670080082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:40:57,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 16:40:57,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-25 16:40:57,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809091150] [2022-11-25 16:40:57,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:40:57,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:40:57,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:40:57,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:40:57,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:40:57,178 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-25 16:40:57,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:40:57,206 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2022-11-25 16:40:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:40:57,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 46 [2022-11-25 16:40:57,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:40:57,207 INFO L225 Difference]: With dead ends: 58 [2022-11-25 16:40:57,207 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 16:40:57,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:40:57,210 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:40:57,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 167 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:40:57,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 16:40:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 16:40:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:40:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 16:40:57,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2022-11-25 16:40:57,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:40:57,213 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:40:57,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-25 16:40:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:40:57,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 16:40:57,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-25 16:40:57,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-25 16:40:57,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-25 16:40:57,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-25 16:40:57,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-25 16:40:57,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-25 16:40:57,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-25 16:40:57,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-25 16:40:57,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-25 16:40:57,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-25 16:40:57,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-25 16:40:57,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-25 16:40:57,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 16:40:57,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:40:57,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 16:40:57,579 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 16:40:57,579 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:40:57,579 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 16:40:57,579 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 16:40:57,579 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:40:57,579 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 16:40:57,579 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 16:40:57,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-25 16:40:57,580 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) [2022-11-25 16:40:57,580 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-25 16:40:57,580 INFO L899 garLoopResultBuilder]: For program point L1555-2(line 1555) no Hoare annotation was computed. [2022-11-25 16:40:57,580 INFO L899 garLoopResultBuilder]: For program point L1580-2(line 1580) no Hoare annotation was computed. [2022-11-25 16:40:57,580 INFO L899 garLoopResultBuilder]: For program point L1580-3(line 1580) no Hoare annotation was computed. [2022-11-25 16:40:57,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-25 16:40:57,581 INFO L895 garLoopResultBuilder]: At program point L1580-4(lines 1580 1587) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse2 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse3 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)))) (or (and .cse0 (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse1 .cse2 (= |ULTIMATE.start_goodG2B_~data~1#1| 2) .cse3) (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse1 .cse2 .cse3))) [2022-11-25 16:40:57,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-25 16:40:57,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 16:40:57,582 INFO L902 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: true [2022-11-25 16:40:57,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 16:40:57,582 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-25 16:40:57,583 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1593) no Hoare annotation was computed. [2022-11-25 16:40:57,583 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1570) no Hoare annotation was computed. [2022-11-25 16:40:57,583 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-25 16:40:57,583 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-11-25 16:40:57,583 INFO L899 garLoopResultBuilder]: For program point L1557-2(line 1557) no Hoare annotation was computed. [2022-11-25 16:40:57,584 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-11-25 16:40:57,584 INFO L895 garLoopResultBuilder]: At program point L1557-4(lines 1557 1569) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)))) (or (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse1) (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) .cse1))) [2022-11-25 16:40:57,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1583) no Hoare annotation was computed. [2022-11-25 16:40:57,584 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-11-25 16:40:57,584 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-11-25 16:40:57,584 INFO L899 garLoopResultBuilder]: For program point L1583(line 1583) no Hoare annotation was computed. [2022-11-25 16:40:57,584 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2022-11-25 16:40:57,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-25 16:40:57,585 INFO L902 garLoopResultBuilder]: At program point L1600(lines 1594 1601) the Hoare annotation is: true [2022-11-25 16:40:57,585 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) [2022-11-25 16:40:57,585 INFO L899 garLoopResultBuilder]: For program point L1567-1(lines 1557 1569) no Hoare annotation was computed. [2022-11-25 16:40:57,585 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1568) no Hoare annotation was computed. [2022-11-25 16:40:57,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-11-25 16:40:57,586 INFO L899 garLoopResultBuilder]: For program point L1576-2(lines 1576 1579) no Hoare annotation was computed. [2022-11-25 16:40:57,586 INFO L899 garLoopResultBuilder]: For program point L1576-3(line 1576) no Hoare annotation was computed. [2022-11-25 16:40:57,586 INFO L899 garLoopResultBuilder]: For program point L1576-4(line 1576) no Hoare annotation was computed. [2022-11-25 16:40:57,586 INFO L895 garLoopResultBuilder]: At program point L1576-5(lines 1576 1579) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse2 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) .cse1 (= |ULTIMATE.start_goodG2B_~data~1#1| 2) .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_goodG2B_~h~0#1| 0)))) [2022-11-25 16:40:57,586 INFO L899 garLoopResultBuilder]: For program point L1576-6(lines 1576 1579) no Hoare annotation was computed. [2022-11-25 16:40:57,586 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 16:40:57,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-25 16:40:57,587 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) [2022-11-25 16:40:57,588 INFO L899 garLoopResultBuilder]: For program point L1585-1(lines 1580 1587) no Hoare annotation was computed. [2022-11-25 16:40:57,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 16:40:57,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-11-25 16:40:57,588 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-25 16:40:57,588 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-11-25 16:40:57,588 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1553 1556) no Hoare annotation was computed. [2022-11-25 16:40:57,588 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-11-25 16:40:57,589 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-11-25 16:40:57,589 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)))) (or (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) .cse0) (and .cse0 (= |ULTIMATE.start_goodB2G_~i~1#1| 0)))) [2022-11-25 16:40:57,589 INFO L899 garLoopResultBuilder]: For program point L1553-6(lines 1553 1556) no Hoare annotation was computed. [2022-11-25 16:40:57,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-25 16:40:57,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-25 16:40:57,590 INFO L899 garLoopResultBuilder]: For program point L1571(lines 1571 1588) no Hoare annotation was computed. [2022-11-25 16:40:57,593 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:40:57,596 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:40:57,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:40:57 BoogieIcfgContainer [2022-11-25 16:40:57,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:40:57,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:40:57,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:40:57,640 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:40:57,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:53" (3/4) ... [2022-11-25 16:40:57,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:40:57,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 16:40:57,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 16:40:57,658 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-25 16:40:57,658 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 16:40:57,658 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 16:40:57,659 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:40:57,713 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:40:57,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:40:57,713 INFO L158 Benchmark]: Toolchain (without parser) took 6637.54ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 103.1MB in the beginning and 125.1MB in the end (delta: -22.0MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-11-25 16:40:57,714 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:40:57,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.18ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 103.1MB in the beginning and 110.2MB in the end (delta: -7.1MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2022-11-25 16:40:57,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.63ms. Allocated memory is still 165.7MB. Free memory was 110.2MB in the beginning and 106.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:40:57,716 INFO L158 Benchmark]: Boogie Preprocessor took 33.33ms. Allocated memory is still 165.7MB. Free memory was 106.8MB in the beginning and 105.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:40:57,716 INFO L158 Benchmark]: RCFGBuilder took 665.92ms. Allocated memory is still 165.7MB. Free memory was 105.1MB in the beginning and 89.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 16:40:57,716 INFO L158 Benchmark]: TraceAbstraction took 4424.01ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 88.4MB in the beginning and 129.3MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:40:57,717 INFO L158 Benchmark]: Witness Printer took 73.24ms. Allocated memory is still 199.2MB. Free memory was 129.3MB in the beginning and 125.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:40:57,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.18ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 103.1MB in the beginning and 110.2MB in the end (delta: -7.1MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.63ms. Allocated memory is still 165.7MB. Free memory was 110.2MB in the beginning and 106.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.33ms. Allocated memory is still 165.7MB. Free memory was 106.8MB in the beginning and 105.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.92ms. Allocated memory is still 165.7MB. Free memory was 105.1MB in the beginning and 89.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4424.01ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 88.4MB in the beginning and 129.3MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.24ms. Allocated memory is still 199.2MB. Free memory was 129.3MB in the beginning and 125.1MB 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, 59 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 193 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 1760 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1078 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 682 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=8, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 17 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 29 PreInvPairs, 42 NumberOfFragments, 165 HoareAnnotationTreeSize, 29 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 474 ConstructedInterpolants, 0 QuantifiedInterpolants, 674 SizeOfPredicates, 4 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 106/110 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: ((((1 <= i && 1 <= h) && 1 <= k) && data == 2) && 0 <= data + 2147483648) || (((1 <= i && 1 <= k) && 0 <= data + 2147483648) && h == 0) - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: (((((1 <= i && j == 0) && 1 <= h) && 1 <= k) && data == 2) && 0 <= data + 2147483648) || ((((1 <= i && 1 <= j) && 1 <= h) && 1 <= k) && 0 <= data + 2147483648) - InvariantResult [Line: 1594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && 0 <= data + 2147483648) || (0 <= data + 2147483648 && i == 0) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: ((1 <= i && k == 0) && 0 <= data + 2147483648) || ((1 <= i && 1 <= k) && 0 <= data + 2147483648) RESULT: Ultimate proved your program to be correct! [2022-11-25 16:40:57,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f7d624-e579-4258-b564-d9c1cc2a0005/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE