./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8 --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 cc2bcff0042736d227f789c1cd907dd165725deef10fad1d3e8a6f5d799859cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:18:55,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:18:55,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:18:55,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:18:55,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:18:55,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:18:55,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:18:55,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:18:55,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:18:55,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:18:55,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:18:55,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:18:55,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:18:55,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:18:55,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:18:55,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:18:55,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:18:55,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:18:55,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:18:55,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:18:55,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:18:55,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:18:55,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:18:55,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:18:55,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:18:55,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:18:55,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:18:55,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:18:55,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:18:55,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:18:55,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:18:55,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:18:55,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:18:55,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:18:55,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:18:55,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:18:55,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:18:55,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:18:55,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:18:55,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:18:55,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:18:55,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:18:55,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:18:55,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:18:55,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:18:55,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:18:55,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:18:55,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:18:55,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:18:55,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:18:55,401 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:18:55,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:18:55,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:18:55,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:18:55,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:18:55,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:18:55,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:18:55,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:18:55,403 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:18:55,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:18:55,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:18:55,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:18:55,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:18:55,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:18:55,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:18:55,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:18:55,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:18:55,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:18:55,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:18:55,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:18:55,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:18:55,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:18:55,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:18:55,405 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:18:55,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:18:55,405 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:18:55,405 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_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc2bcff0042736d227f789c1cd907dd165725deef10fad1d3e8a6f5d799859cf [2022-12-13 16:18:55,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:18:55,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:18:55,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:18:55,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:18:55,615 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:18:55,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_good.i [2022-12-13 16:18:58,175 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:18:58,447 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:18:58,448 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_11_good.i [2022-12-13 16:18:58,464 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/data/90af3a0ca/5103806fde77454a820c740fd1f34b4e/FLAG1e3dd24f7 [2022-12-13 16:18:58,475 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/data/90af3a0ca/5103806fde77454a820c740fd1f34b4e [2022-12-13 16:18:58,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:18:58,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:18:58,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:18:58,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:18:58,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:18:58,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:18:58" (1/1) ... [2022-12-13 16:18:58,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b606d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:58, skipping insertion in model container [2022-12-13 16:18:58,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:18:58" (1/1) ... [2022-12-13 16:18:58,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:18:58,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:18:58,773 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:18:59,051 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:18:59,055 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:59,057 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:59,058 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:59,059 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:59,086 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:18:59,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:18:59,094 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:18:59,107 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:18:59,136 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:18:59,137 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:59,138 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:18:59,139 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:59,139 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:18:59,147 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:18:59,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:18:59,271 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:18:59,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59 WrapperNode [2022-12-13 16:18:59,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:18:59,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:18:59,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:18:59,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:18:59,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,313 INFO L138 Inliner]: procedures = 503, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 149 [2022-12-13 16:18:59,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:18:59,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:18:59,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:18:59,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:18:59,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:18:59,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:18:59,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:18:59,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:18:59,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (1/1) ... [2022-12-13 16:18:59,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:18:59,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:18:59,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:18:59,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:18:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 16:18:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 16:18:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:18:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:18:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-12-13 16:18:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-12-13 16:18:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:18:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:18:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:18:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2022-12-13 16:18:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2022-12-13 16:18:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:18:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:18:59,494 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:18:59,495 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:18:59,698 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:18:59,705 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:18:59,705 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:18:59,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:59 BoogieIcfgContainer [2022-12-13 16:18:59,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:18:59,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:18:59,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:18:59,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:18:59,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:18:58" (1/3) ... [2022-12-13 16:18:59,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3b3352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:18:59, skipping insertion in model container [2022-12-13 16:18:59,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:18:59" (2/3) ... [2022-12-13 16:18:59,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3b3352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:18:59, skipping insertion in model container [2022-12-13 16:18:59,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:59" (3/3) ... [2022-12-13 16:18:59,716 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_11_good.i [2022-12-13 16:18:59,734 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:18:59,735 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 16:18:59,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:18:59,788 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;@2b0793f3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:18:59,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 16:18:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 54 states have (on average 1.462962962962963) internal successors, (79), 70 states have internal predecessors, (79), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 16:18:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 16:18:59,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:18:59,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:18:59,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:18:59,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:18:59,806 INFO L85 PathProgramCache]: Analyzing trace with hash -358120719, now seen corresponding path program 1 times [2022-12-13 16:18:59,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:18:59,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852122148] [2022-12-13 16:18:59,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:18:59,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:18:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 16:19:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:19:00,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:00,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852122148] [2022-12-13 16:19:00,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852122148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:00,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:19:00,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:19:00,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167281636] [2022-12-13 16:19:00,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:00,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:19:00,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:00,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:19:00,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:19:00,156 INFO L87 Difference]: Start difference. First operand has 85 states, 54 states have (on average 1.462962962962963) internal successors, (79), 70 states have internal predecessors, (79), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:19:00,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:00,210 INFO L93 Difference]: Finished difference Result 161 states and 217 transitions. [2022-12-13 16:19:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:19:00,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-12-13 16:19:00,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:00,219 INFO L225 Difference]: With dead ends: 161 [2022-12-13 16:19:00,219 INFO L226 Difference]: Without dead ends: 77 [2022-12-13 16:19:00,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:19:00,225 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:00,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 326 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:00,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-13 16:19:00,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-12-13 16:19:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 63 states have internal predecessors, (70), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 16:19:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 102 transitions. [2022-12-13 16:19:00,260 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 102 transitions. Word has length 23 [2022-12-13 16:19:00,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:00,261 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 102 transitions. [2022-12-13 16:19:00,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:19:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2022-12-13 16:19:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 16:19:00,263 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:00,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:00,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:19:00,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:00,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:00,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1676202262, now seen corresponding path program 1 times [2022-12-13 16:19:00,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:00,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459443395] [2022-12-13 16:19:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:00,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:19:00,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:00,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459443395] [2022-12-13 16:19:00,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459443395] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:00,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:19:00,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:19:00,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922031863] [2022-12-13 16:19:00,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:00,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:00,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:00,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:00,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:19:00,358 INFO L87 Difference]: Start difference. First operand 77 states and 102 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:19:00,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:00,384 INFO L93 Difference]: Finished difference Result 120 states and 163 transitions. [2022-12-13 16:19:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:00,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-12-13 16:19:00,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:00,387 INFO L225 Difference]: With dead ends: 120 [2022-12-13 16:19:00,387 INFO L226 Difference]: Without dead ends: 119 [2022-12-13 16:19:00,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:19:00,388 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 48 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:00,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 194 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-12-13 16:19:00,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 76. [2022-12-13 16:19:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 62 states have internal predecessors, (69), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 16:19:00,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 101 transitions. [2022-12-13 16:19:00,403 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 101 transitions. Word has length 25 [2022-12-13 16:19:00,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:00,403 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 101 transitions. [2022-12-13 16:19:00,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:19:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2022-12-13 16:19:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 16:19:00,404 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:00,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:00,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:19:00,405 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:00,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:00,405 INFO L85 PathProgramCache]: Analyzing trace with hash 422662649, now seen corresponding path program 1 times [2022-12-13 16:19:00,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:00,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101558942] [2022-12-13 16:19:00,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:00,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:19:00,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:00,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101558942] [2022-12-13 16:19:00,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101558942] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:00,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:19:00,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:19:00,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589887484] [2022-12-13 16:19:00,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:00,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:00,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:00,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:00,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:19:00,476 INFO L87 Difference]: Start difference. First operand 76 states and 101 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:19:00,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:00,499 INFO L93 Difference]: Finished difference Result 119 states and 162 transitions. [2022-12-13 16:19:00,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:00,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2022-12-13 16:19:00,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:00,501 INFO L225 Difference]: With dead ends: 119 [2022-12-13 16:19:00,501 INFO L226 Difference]: Without dead ends: 118 [2022-12-13 16:19:00,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:19:00,503 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 43 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:00,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 206 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:00,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-13 16:19:00,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 75. [2022-12-13 16:19:00,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 61 states have internal predecessors, (68), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 16:19:00,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions. [2022-12-13 16:19:00,515 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 26 [2022-12-13 16:19:00,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:00,516 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 100 transitions. [2022-12-13 16:19:00,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:19:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2022-12-13 16:19:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 16:19:00,517 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:00,517 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:00,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:19:00,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:00,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:00,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1709989260, now seen corresponding path program 1 times [2022-12-13 16:19:00,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:00,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534031445] [2022-12-13 16:19:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:00,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:19:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 16:19:00,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:00,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534031445] [2022-12-13 16:19:00,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534031445] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:19:00,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224594933] [2022-12-13 16:19:00,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:00,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:00,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:19:00,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:19:00,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:19:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:00,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:19:00,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:19:00,741 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 16:19:00,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:19:00,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224594933] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:00,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:19:00,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-13 16:19:00,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44769699] [2022-12-13 16:19:00,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:00,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:00,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:00,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:00,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:00,744 INFO L87 Difference]: Start difference. First operand 75 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 16:19:00,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:00,765 INFO L93 Difference]: Finished difference Result 151 states and 197 transitions. [2022-12-13 16:19:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:00,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2022-12-13 16:19:00,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:00,767 INFO L225 Difference]: With dead ends: 151 [2022-12-13 16:19:00,767 INFO L226 Difference]: Without dead ends: 105 [2022-12-13 16:19:00,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:00,768 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 28 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 211 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 [2022-12-13 16:19:00,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 211 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:00,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-13 16:19:00,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 79. [2022-12-13 16:19:00,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 64 states have internal predecessors, (72), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 14 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 16:19:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 106 transitions. [2022-12-13 16:19:00,775 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 106 transitions. Word has length 39 [2022-12-13 16:19:00,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:00,775 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 106 transitions. [2022-12-13 16:19:00,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 16:19:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 106 transitions. [2022-12-13 16:19:00,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 16:19:00,776 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:00,776 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:00,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:19:00,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:00,978 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:00,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:00,979 INFO L85 PathProgramCache]: Analyzing trace with hash 370499121, now seen corresponding path program 1 times [2022-12-13 16:19:00,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:00,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609214985] [2022-12-13 16:19:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:19:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 16:19:01,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:01,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609214985] [2022-12-13 16:19:01,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609214985] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:01,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:19:01,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:19:01,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232585425] [2022-12-13 16:19:01,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:01,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:01,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:01,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:01,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:19:01,153 INFO L87 Difference]: Start difference. First operand 79 states and 106 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 16:19:01,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:01,171 INFO L93 Difference]: Finished difference Result 105 states and 141 transitions. [2022-12-13 16:19:01,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:01,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2022-12-13 16:19:01,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:01,173 INFO L225 Difference]: With dead ends: 105 [2022-12-13 16:19:01,173 INFO L226 Difference]: Without dead ends: 104 [2022-12-13 16:19:01,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:19:01,174 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 34 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:01,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 213 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:01,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-12-13 16:19:01,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 78. [2022-12-13 16:19:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 63 states have internal predecessors, (71), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 14 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 16:19:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2022-12-13 16:19:01,183 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 41 [2022-12-13 16:19:01,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:01,184 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2022-12-13 16:19:01,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 16:19:01,184 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2022-12-13 16:19:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 16:19:01,185 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:01,185 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:01,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 16:19:01,186 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:01,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:01,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1399429019, now seen corresponding path program 1 times [2022-12-13 16:19:01,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:01,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260503091] [2022-12-13 16:19:01,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:01,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 16:19:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 16:19:01,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:01,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260503091] [2022-12-13 16:19:01,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260503091] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:01,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:19:01,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:19:01,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810516367] [2022-12-13 16:19:01,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:01,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:01,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:01,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:01,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:19:01,237 INFO L87 Difference]: Start difference. First operand 78 states and 105 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 16:19:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:01,250 INFO L93 Difference]: Finished difference Result 104 states and 140 transitions. [2022-12-13 16:19:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:01,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42 [2022-12-13 16:19:01,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:01,251 INFO L225 Difference]: With dead ends: 104 [2022-12-13 16:19:01,251 INFO L226 Difference]: Without dead ends: 103 [2022-12-13 16:19:01,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:19:01,252 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 25 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:01,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 223 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:01,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-13 16:19:01,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2022-12-13 16:19:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 62 states have internal predecessors, (70), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 14 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 16:19:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2022-12-13 16:19:01,257 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 104 transitions. Word has length 42 [2022-12-13 16:19:01,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:01,258 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 104 transitions. [2022-12-13 16:19:01,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 16:19:01,258 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2022-12-13 16:19:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 16:19:01,259 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:01,259 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:01,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 16:19:01,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:01,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:01,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1724596812, now seen corresponding path program 1 times [2022-12-13 16:19:01,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:01,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496625450] [2022-12-13 16:19:01,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:01,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:19:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:19:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:19:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 16:19:01,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:01,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496625450] [2022-12-13 16:19:01,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496625450] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:19:01,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054921808] [2022-12-13 16:19:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:01,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:01,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:19:01,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:19:01,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:19:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:19:01,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:19:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:19:01,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:19:01,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054921808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:01,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:19:01,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 16:19:01,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814909919] [2022-12-13 16:19:01,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:01,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:01,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:01,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:01,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:01,438 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:19:01,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:01,449 INFO L93 Difference]: Finished difference Result 77 states and 104 transitions. [2022-12-13 16:19:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:01,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2022-12-13 16:19:01,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:01,450 INFO L225 Difference]: With dead ends: 77 [2022-12-13 16:19:01,450 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 16:19:01,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:01,451 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 17 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:01,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 161 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:01,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 16:19:01,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 16:19:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 61 states have internal predecessors, (69), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 14 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-13 16:19:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2022-12-13 16:19:01,458 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 51 [2022-12-13 16:19:01,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:01,459 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2022-12-13 16:19:01,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:19:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2022-12-13 16:19:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 16:19:01,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:01,460 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:01,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 16:19:01,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 16:19:01,661 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:01,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1922893469, now seen corresponding path program 1 times [2022-12-13 16:19:01,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:01,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800258860] [2022-12-13 16:19:01,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:01,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:19:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:19:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:19:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 16:19:01,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:01,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800258860] [2022-12-13 16:19:01,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800258860] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:19:01,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585291496] [2022-12-13 16:19:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:01,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:01,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:19:01,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:19:01,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:19:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:01,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:19:01,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:19:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:19:01,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:19:01,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585291496] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:01,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:19:01,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 16:19:01,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280228849] [2022-12-13 16:19:01,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:01,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:01,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:01,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:01,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:01,842 INFO L87 Difference]: Start difference. First operand 76 states and 103 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:19:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:01,859 INFO L93 Difference]: Finished difference Result 111 states and 145 transitions. [2022-12-13 16:19:01,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:01,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2022-12-13 16:19:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:01,861 INFO L225 Difference]: With dead ends: 111 [2022-12-13 16:19:01,861 INFO L226 Difference]: Without dead ends: 95 [2022-12-13 16:19:01,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:01,861 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 12 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:01,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 188 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:01,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-13 16:19:01,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2022-12-13 16:19:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 65 states have internal predecessors, (75), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 16:19:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 111 transitions. [2022-12-13 16:19:01,867 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 111 transitions. Word has length 52 [2022-12-13 16:19:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:01,867 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 111 transitions. [2022-12-13 16:19:01,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 16:19:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 111 transitions. [2022-12-13 16:19:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 16:19:01,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:01,868 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:01,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 16:19:02,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:02,069 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:02,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1320600311, now seen corresponding path program 1 times [2022-12-13 16:19:02,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:02,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910458275] [2022-12-13 16:19:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:02,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:19:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:19:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:19:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 16:19:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 16:19:02,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:02,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910458275] [2022-12-13 16:19:02,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910458275] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:19:02,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985930675] [2022-12-13 16:19:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:02,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:02,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:19:02,143 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:19:02,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 16:19:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:19:02,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:19:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 16:19:02,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:19:02,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985930675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:02,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:19:02,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-13 16:19:02,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315634983] [2022-12-13 16:19:02,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:02,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:02,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:02,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:02,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:02,237 INFO L87 Difference]: Start difference. First operand 82 states and 111 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:19:02,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:02,248 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2022-12-13 16:19:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:02,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2022-12-13 16:19:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:02,250 INFO L225 Difference]: With dead ends: 113 [2022-12-13 16:19:02,250 INFO L226 Difference]: Without dead ends: 91 [2022-12-13 16:19:02,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:02,251 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 12 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:02,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 203 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:02,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-13 16:19:02,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 79. [2022-12-13 16:19:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.290909090909091) internal successors, (71), 62 states have internal predecessors, (71), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 16:19:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 107 transitions. [2022-12-13 16:19:02,256 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 107 transitions. Word has length 57 [2022-12-13 16:19:02,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:02,256 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 107 transitions. [2022-12-13 16:19:02,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 16:19:02,257 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2022-12-13 16:19:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-13 16:19:02,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:02,257 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:02,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 16:19:02,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:02,458 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:02,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1497692920, now seen corresponding path program 1 times [2022-12-13 16:19:02,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:02,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446535625] [2022-12-13 16:19:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:02,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:19:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:19:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:19:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:19:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 16:19:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-13 16:19:02,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:02,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446535625] [2022-12-13 16:19:02,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446535625] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:19:02,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884416836] [2022-12-13 16:19:02,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:02,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:19:02,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:19:02,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 16:19:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:19:02,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:19:02,621 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 16:19:02,621 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:19:02,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884416836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:02,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:19:02,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 16:19:02,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411086652] [2022-12-13 16:19:02,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:02,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:02,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:02,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:02,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:02,623 INFO L87 Difference]: Start difference. First operand 79 states and 107 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:19:02,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:02,631 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2022-12-13 16:19:02,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:02,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2022-12-13 16:19:02,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:02,633 INFO L225 Difference]: With dead ends: 79 [2022-12-13 16:19:02,633 INFO L226 Difference]: Without dead ends: 78 [2022-12-13 16:19:02,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:02,634 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 4 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:02,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 176 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:02,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-13 16:19:02,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-12-13 16:19:02,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 61 states have internal predecessors, (70), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 16:19:02,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2022-12-13 16:19:02,641 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 64 [2022-12-13 16:19:02,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:02,641 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2022-12-13 16:19:02,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:19:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2022-12-13 16:19:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 16:19:02,642 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:02,642 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:02,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 16:19:02,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 16:19:02,843 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:02,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:02,843 INFO L85 PathProgramCache]: Analyzing trace with hash 816159915, now seen corresponding path program 1 times [2022-12-13 16:19:02,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:02,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294045552] [2022-12-13 16:19:02,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:02,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:19:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:19:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:19:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:19:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 16:19:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-13 16:19:02,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:02,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294045552] [2022-12-13 16:19:02,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294045552] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:19:02,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178986414] [2022-12-13 16:19:02,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:02,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:02,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:19:02,908 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:19:02,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 16:19:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:02,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:19:02,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:19:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 16:19:03,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:19:03,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178986414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:03,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:19:03,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 16:19:03,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827782318] [2022-12-13 16:19:03,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:03,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:03,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:03,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:03,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:03,002 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:19:03,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:03,013 INFO L93 Difference]: Finished difference Result 85 states and 113 transitions. [2022-12-13 16:19:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:03,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2022-12-13 16:19:03,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:03,014 INFO L225 Difference]: With dead ends: 85 [2022-12-13 16:19:03,014 INFO L226 Difference]: Without dead ends: 78 [2022-12-13 16:19:03,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:03,015 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:03,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:03,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-13 16:19:03,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-12-13 16:19:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 61 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 16:19:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 105 transitions. [2022-12-13 16:19:03,021 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 105 transitions. Word has length 65 [2022-12-13 16:19:03,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:03,021 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 105 transitions. [2022-12-13 16:19:03,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:19:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2022-12-13 16:19:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 16:19:03,022 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:19:03,022 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:03,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 16:19:03,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:03,223 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 16:19:03,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:19:03,224 INFO L85 PathProgramCache]: Analyzing trace with hash 423132905, now seen corresponding path program 1 times [2022-12-13 16:19:03,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:19:03,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820667916] [2022-12-13 16:19:03,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:03,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:19:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:19:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 16:19:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:19:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 16:19:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 16:19:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:19:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:19:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 16:19:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 16:19:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-13 16:19:03,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:19:03,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820667916] [2022-12-13 16:19:03,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820667916] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:19:03,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509080384] [2022-12-13 16:19:03,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:19:03,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:19:03,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:19:03,289 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:19:03,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 16:19:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:19:03,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:19:03,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:19:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 16:19:03,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:19:03,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509080384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:19:03,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:19:03,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-13 16:19:03,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452827452] [2022-12-13 16:19:03,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:19:03,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:19:03,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:19:03,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:19:03,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:03,380 INFO L87 Difference]: Start difference. First operand 78 states and 105 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:19:03,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:19:03,385 INFO L93 Difference]: Finished difference Result 78 states and 105 transitions. [2022-12-13 16:19:03,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:19:03,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2022-12-13 16:19:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:19:03,385 INFO L225 Difference]: With dead ends: 78 [2022-12-13 16:19:03,385 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 16:19:03,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:19:03,387 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:19:03,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:19:03,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 16:19:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 16:19:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:19:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 16:19:03,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2022-12-13 16:19:03,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:19:03,388 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:19:03,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 16:19:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:19:03,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 16:19:03,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 16:19:03,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 16:19:03,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 16:19:03,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 16:19:03,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 16:19:03,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 16:19:03,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 16:19:03,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 16:19:03,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 16:19:03,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 16:19:03,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 16:19:03,778 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 16:19:03,779 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 16:19:03,779 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 16:19:03,779 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 16:19:03,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2022-12-13 16:19:03,779 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseFINAL(lines 1514 1517) no Hoare annotation was computed. [2022-12-13 16:19:03,779 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2022-12-13 16:19:03,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 16:19:03,779 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 16:19:03,780 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 16:19:03,780 INFO L895 garLoopResultBuilder]: At program point L1604-3(lines 1604 1611) the Hoare annotation is: (or (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (let ((.cse0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) (and (<= .cse0 0) (<= 0 .cse0)))) [2022-12-13 16:19:03,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-12-13 16:19:03,780 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2022-12-13 16:19:03,780 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 1629 1636) no Hoare annotation was computed. [2022-12-13 16:19:03,780 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2022-12-13 16:19:03,781 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2022-12-13 16:19:03,781 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodB2G2_~data~1#1|) [2022-12-13 16:19:03,781 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2022-12-13 16:19:03,781 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1580 1583) no Hoare annotation was computed. [2022-12-13 16:19:03,781 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1645 1652) the Hoare annotation is: true [2022-12-13 16:19:03,781 INFO L902 garLoopResultBuilder]: At program point L1580-4(lines 1580 1583) the Hoare annotation is: true [2022-12-13 16:19:03,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-12-13 16:19:03,781 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2022-12-13 16:19:03,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1574) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1618) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1635) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2022-12-13 16:19:03,782 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2022-12-13 16:19:03,783 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-12-13 16:19:03,783 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-12-13 16:19:03,783 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-13 16:19:03,783 INFO L899 garLoopResultBuilder]: For program point L1582-2(line 1582) no Hoare annotation was computed. [2022-12-13 16:19:03,783 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 16:19:03,783 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-12-13 16:19:03,783 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-12-13 16:19:03,783 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2022-12-13 16:19:03,783 INFO L902 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: true [2022-12-13 16:19:03,784 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2022-12-13 16:19:03,784 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2022-12-13 16:19:03,784 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 16:19:03,784 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2022-12-13 16:19:03,784 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-12-13 16:19:03,784 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0)) [2022-12-13 16:19:03,784 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2022-12-13 16:19:03,784 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2022-12-13 16:19:03,784 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1625 1628) no Hoare annotation was computed. [2022-12-13 16:19:03,785 INFO L895 garLoopResultBuilder]: At program point L1625-4(lines 1625 1628) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)))) (or (and (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) .cse0) (let ((.cse1 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2))) (and (<= 0 .cse1) (<= .cse1 0) .cse0)))) [2022-12-13 16:19:03,785 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-12-13 16:19:03,785 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|)) [2022-12-13 16:19:03,785 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-12-13 16:19:03,785 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2022-12-13 16:19:03,785 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 1584 1598) no Hoare annotation was computed. [2022-12-13 16:19:03,785 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2022-12-13 16:19:03,785 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-12-13 16:19:03,785 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 16:19:03,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2022-12-13 16:19:03,786 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-12-13 16:19:03,786 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-12-13 16:19:03,786 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 16:19:03,786 INFO L902 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: true [2022-12-13 16:19:03,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 16:19:03,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2022-12-13 16:19:03,786 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1597) no Hoare annotation was computed. [2022-12-13 16:19:03,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-12-13 16:19:03,787 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) [2022-12-13 16:19:03,787 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2022-12-13 16:19:03,787 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1548 1575) no Hoare annotation was computed. [2022-12-13 16:19:03,787 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-12-13 16:19:03,787 INFO L899 garLoopResultBuilder]: For program point L1554-2(line 1554) no Hoare annotation was computed. [2022-12-13 16:19:03,787 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 16:19:03,787 INFO L899 garLoopResultBuilder]: For program point L1612-1(lines 1612 1619) no Hoare annotation was computed. [2022-12-13 16:19:03,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-12-13 16:19:03,787 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-12-13 16:19:03,788 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) [2022-12-13 16:19:03,788 INFO L899 garLoopResultBuilder]: For program point L1604-1(line 1604) no Hoare annotation was computed. [2022-12-13 16:19:03,788 INFO L899 garLoopResultBuilder]: For program point L1604-2(lines 1604 1611) no Hoare annotation was computed. [2022-12-13 16:19:03,788 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueFINAL(lines 1510 1513) no Hoare annotation was computed. [2022-12-13 16:19:03,788 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2022-12-13 16:19:03,788 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2022-12-13 16:19:03,791 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:19:03,793 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:19:03,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:19:03 BoogieIcfgContainer [2022-12-13 16:19:03,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:19:03,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:19:03,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:19:03,802 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:19:03,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:18:59" (3/4) ... [2022-12-13 16:19:03,805 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 16:19:03,812 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 16:19:03,812 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2022-12-13 16:19:03,812 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 16:19:03,812 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2022-12-13 16:19:03,817 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 16:19:03,817 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 16:19:03,818 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 16:19:03,818 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 16:19:03,850 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:19:03,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:19:03,851 INFO L158 Benchmark]: Toolchain (without parser) took 5372.99ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 87.4MB in the beginning and 63.0MB in the end (delta: 24.4MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2022-12-13 16:19:03,851 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory was 95.4MB in the beginning and 95.3MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:19:03,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.61ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 87.4MB in the beginning and 104.5MB in the end (delta: -17.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2022-12-13 16:19:03,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.43ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 100.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:19:03,852 INFO L158 Benchmark]: Boogie Preprocessor took 20.91ms. Allocated memory is still 157.3MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:19:03,852 INFO L158 Benchmark]: RCFGBuilder took 372.47ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 79.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 16:19:03,852 INFO L158 Benchmark]: TraceAbstraction took 4091.61ms. Allocated memory is still 157.3MB. Free memory was 78.1MB in the beginning and 68.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-12-13 16:19:03,853 INFO L158 Benchmark]: Witness Printer took 48.72ms. Allocated memory is still 157.3MB. Free memory was 68.2MB in the beginning and 63.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 16:19:03,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory was 95.4MB in the beginning and 95.3MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.61ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 87.4MB in the beginning and 104.5MB in the end (delta: -17.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.43ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 100.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.91ms. Allocated memory is still 157.3MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.47ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 79.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4091.61ms. Allocated memory is still 157.3MB. Free memory was 78.1MB in the beginning and 68.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Witness Printer took 48.72ms. Allocated memory is still 157.3MB. Free memory was 68.2MB in the beginning and 63.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 85 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 223 mSDsluCounter, 2464 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1169 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1295 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 37, 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, 12 MinimizatonAttempts, 189 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 69 PreInvPairs, 89 NumberOfFragments, 112 HoareAnnotationTreeSize, 69 FomulaSimplifications, 145 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 924 ConstructedInterpolants, 0 QuantifiedInterpolants, 1216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1313 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 420/458 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 8 specifications checked. All of them hold - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 16:19:03,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7138e36d-710d-4cac-bd82-91e623abd50d/bin/uautomizer-uyxdKDjOR8/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