./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_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_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/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_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/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_e4fa2541-7272-4ab1-9590-46254ef476a8/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 fe46137f4bfbbcb7eedc2555dd65064d7b8e9a097b6eac33a9857ed622ac4354 --- 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 11:44:19,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:44:19,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:44:19,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:44:19,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:44:19,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:44:19,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:44:19,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:44:19,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:44:19,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:44:19,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:44:19,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:44:19,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:44:19,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:44:19,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:44:19,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:44:19,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:44:19,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:44:19,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:44:19,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:44:19,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:44:19,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:44:19,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:44:19,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:44:19,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:44:19,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:44:19,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:44:19,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:44:19,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:44:19,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:44:19,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:44:19,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:44:19,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:44:19,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:44:19,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:44:19,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:44:19,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:44:19,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:44:19,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:44:19,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:44:19,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:44:19,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 11:44:19,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:44:19,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:44:19,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:44:19,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:44:19,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:44:19,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:44:19,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:44:19,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:44:19,425 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:44:19,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:44:19,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:44:19,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:44:19,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:44:19,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:44:19,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:44:19,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:44:19,426 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:44:19,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:44:19,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:44:19,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:44:19,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:44:19,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:44:19,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:44:19,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:44:19,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:44:19,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:44:19,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:44:19,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:44:19,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:44:19,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:44:19,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:44:19,429 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:44:19,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:44:19,429 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:44:19,429 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_e4fa2541-7272-4ab1-9590-46254ef476a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe46137f4bfbbcb7eedc2555dd65064d7b8e9a097b6eac33a9857ed622ac4354 [2022-12-13 11:44:19,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:44:19,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:44:19,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:44:19,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:44:19,624 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:44:19,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_good.i [2022-12-13 11:44:22,112 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:44:22,332 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:44:22,333 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_good.i [2022-12-13 11:44:22,345 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/data/b8f91a8d3/0c14ab1f8f67496dbb050578d97ffe23/FLAG742d2a3fd [2022-12-13 11:44:22,683 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/data/b8f91a8d3/0c14ab1f8f67496dbb050578d97ffe23 [2022-12-13 11:44:22,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:44:22,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:44:22,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:44:22,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:44:22,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:44:22,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:44:22" (1/1) ... [2022-12-13 11:44:22,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595bf382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:22, skipping insertion in model container [2022-12-13 11:44:22,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:44:22" (1/1) ... [2022-12-13 11:44:22,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:44:22,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:44:23,014 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:44:23,340 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:44:23,345 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:44:23,347 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:44:23,348 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:44:23,349 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:44:23,369 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:44:23,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:44:23,377 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:44:23,390 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:44:23,418 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:44:23,420 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:44:23,421 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:44:23,422 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:44:23,423 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:44:23,429 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:44:23,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:44:23,528 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:44:23,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23 WrapperNode [2022-12-13 11:44:23,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:44:23,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:44:23,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:44:23,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:44:23,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,583 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2022-12-13 11:44:23,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:44:23,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:44:23,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:44:23,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:44:23,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,606 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:44:23,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:44:23,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:44:23,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:44:23,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (1/1) ... [2022-12-13 11:44:23,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:44:23,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:44:23,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:44:23,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:44:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 11:44:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 11:44:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 11:44:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 11:44:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:44:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:44:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:44:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:44:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:44:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:44:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 11:44:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:44:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:44:23,773 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:44:23,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:44:23,897 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:44:23,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:44:23,901 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:44:23,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:44:23 BoogieIcfgContainer [2022-12-13 11:44:23,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:44:23,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:44:23,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:44:23,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:44:23,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:44:22" (1/3) ... [2022-12-13 11:44:23,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4b8259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:44:23, skipping insertion in model container [2022-12-13 11:44:23,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:44:23" (2/3) ... [2022-12-13 11:44:23,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4b8259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:44:23, skipping insertion in model container [2022-12-13 11:44:23,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:44:23" (3/3) ... [2022-12-13 11:44:23,909 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_34_good.i [2022-12-13 11:44:23,922 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:44:23,922 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 11:44:23,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:44:23,960 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;@c96855a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:44:23,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 11:44:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 11:44:23,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 11:44:23,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:44:23,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:44:23,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 11:44:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:44:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1551247523, now seen corresponding path program 1 times [2022-12-13 11:44:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:44:23,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337745411] [2022-12-13 11:44:23,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:44:23,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:44:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:44:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:44:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:44:24,262 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 11:44:24,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:44:24,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337745411] [2022-12-13 11:44:24,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337745411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:44:24,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:44:24,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:44:24,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611155158] [2022-12-13 11:44:24,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:44:24,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:44:24,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:44:24,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:44:24,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:44:24,294 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:44:24,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:44:24,315 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-12-13 11:44:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:44:24,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-13 11:44:24,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:44:24,322 INFO L225 Difference]: With dead ends: 35 [2022-12-13 11:44:24,322 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 11:44:24,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:44:24,326 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 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 11:44:24,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:44:24,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 11:44:24,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 11:44:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:44:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-12-13 11:44:24,350 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 9 [2022-12-13 11:44:24,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:44:24,351 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-12-13 11:44:24,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:44:24,351 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-12-13 11:44:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 11:44:24,352 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:44:24,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:44:24,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:44:24,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 11:44:24,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:44:24,353 INFO L85 PathProgramCache]: Analyzing trace with hash -689390219, now seen corresponding path program 1 times [2022-12-13 11:44:24,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:44:24,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570232689] [2022-12-13 11:44:24,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:44:24,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:44:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:44:24,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:44:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:44:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:44:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:44:24,559 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 11:44:24,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:44:24,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570232689] [2022-12-13 11:44:24,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570232689] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:44:24,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:44:24,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:44:24,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441544687] [2022-12-13 11:44:24,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:44:24,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:44:24,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:44:24,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:44:24,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:44:24,561 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 11:44:24,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:44:24,568 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-12-13 11:44:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:44:24,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-12-13 11:44:24,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:44:24,569 INFO L225 Difference]: With dead ends: 23 [2022-12-13 11:44:24,569 INFO L226 Difference]: Without dead ends: 22 [2022-12-13 11:44:24,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:44:24,570 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:44:24,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:44:24,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-13 11:44:24,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-13 11:44:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:44:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-12-13 11:44:24,573 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 20 [2022-12-13 11:44:24,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:44:24,573 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-12-13 11:44:24,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 11:44:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-12-13 11:44:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 11:44:24,573 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:44:24,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:44:24,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:44:24,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-13 11:44:24,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:44:24,574 INFO L85 PathProgramCache]: Analyzing trace with hash 103739757, now seen corresponding path program 1 times [2022-12-13 11:44:24,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:44:24,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021478919] [2022-12-13 11:44:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:44:24,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:44:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:44:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:44:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:44:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 11:44:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:44:24,615 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 11:44:24,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:44:24,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021478919] [2022-12-13 11:44:24,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021478919] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:44:24,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:44:24,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:44:24,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7385312] [2022-12-13 11:44:24,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:44:24,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:44:24,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:44:24,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:44:24,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:44:24,617 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 11:44:24,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:44:24,624 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-12-13 11:44:24,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:44:24,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-12-13 11:44:24,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:44:24,624 INFO L225 Difference]: With dead ends: 22 [2022-12-13 11:44:24,624 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 11:44:24,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:44:24,625 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:44:24,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:44:24,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 11:44:24,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 11:44:24,626 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 11:44:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 11:44:24,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-12-13 11:44:24,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:44:24,627 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:44:24,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 11:44:24,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:44:24,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 11:44:24,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-13 11:44:24,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-13 11:44:24,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-13 11:44:24,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-13 11:44:24,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:44:24,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 11:44:24,640 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 11:44:24,640 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 11:44:24,640 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 11:44:24,640 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 11:44:24,640 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1589) no Hoare annotation was computed. [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 11:44:24,641 INFO L902 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: true [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2022-12-13 11:44:24,641 INFO L902 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: true [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2022-12-13 11:44:24,641 INFO L902 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: true [2022-12-13 11:44:24,641 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1594) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L902 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: true [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1568) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1586-1(lines 1578 1587) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1587) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 11:44:24,642 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1595 1602) the Hoare annotation is: true [2022-12-13 11:44:24,642 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2022-12-13 11:44:24,643 INFO L899 garLoopResultBuilder]: For program point L1574-2(line 1574) no Hoare annotation was computed. [2022-12-13 11:44:24,643 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 11:44:24,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-13 11:44:24,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2022-12-13 11:44:24,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 11:44:24,645 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 11:44:24,647 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:44:24,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:44:24 BoogieIcfgContainer [2022-12-13 11:44:24,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:44:24,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:44:24,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:44:24,654 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:44:24,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:44:23" (3/4) ... [2022-12-13 11:44:24,656 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:44:24,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 11:44:24,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 11:44:24,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 11:44:24,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 11:44:24,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:44:24,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:44:24,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:44:24,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:44:24,690 INFO L158 Benchmark]: Toolchain (without parser) took 2002.84ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 104.5MB in the beginning and 109.7MB in the end (delta: -5.2MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-12-13 11:44:24,691 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:44:24,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.19ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 104.3MB in the beginning and 145.3MB in the end (delta: -40.9MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-12-13 11:44:24,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.94ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 142.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:44:24,691 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 184.5MB. Free memory was 142.2MB in the beginning and 141.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:44:24,692 INFO L158 Benchmark]: RCFGBuilder took 291.53ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 125.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:44:24,692 INFO L158 Benchmark]: TraceAbstraction took 748.59ms. Allocated memory is still 184.5MB. Free memory was 124.3MB in the beginning and 112.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-12-13 11:44:24,692 INFO L158 Benchmark]: Witness Printer took 36.60ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 109.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:44:24,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.19ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 104.3MB in the beginning and 145.3MB in the end (delta: -40.9MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.94ms. Allocated memory is still 184.5MB. Free memory was 145.3MB in the beginning and 142.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 184.5MB. Free memory was 142.2MB in the beginning and 141.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.53ms. Allocated memory is still 184.5MB. Free memory was 141.1MB in the beginning and 125.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 748.59ms. Allocated memory is still 184.5MB. Free memory was 124.3MB in the beginning and 112.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 36.60ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 109.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 77 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 8 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 4 specifications checked. All of them hold - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 11:44:24,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4fa2541-7272-4ab1-9590-46254ef476a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE