./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_42_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7cd4d2da3e8c67dcbbb1bc67513194161ffb41af2bf3144b7012fa145d33f7f9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:01:30,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:01:30,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:01:30,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:01:30,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:01:30,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:01:30,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:01:30,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:01:30,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:01:30,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:01:30,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:01:30,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:01:30,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:01:30,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:01:30,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:01:30,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:01:30,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:01:30,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:01:30,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:01:30,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:01:30,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:01:30,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:01:30,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:01:30,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:01:30,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:01:30,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:01:30,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:01:30,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:01:30,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:01:30,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:01:30,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:01:30,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:01:30,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:01:30,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:01:30,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:01:30,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:01:30,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:01:30,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:01:30,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:01:30,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:01:30,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:01:30,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 18:01:30,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:01:30,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:01:30,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:01:30,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:01:30,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:01:30,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:01:30,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:01:30,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:01:30,606 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:01:30,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:01:30,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:01:30,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:01:30,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:01:30,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:01:30,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:01:30,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:01:30,609 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:01:30,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:01:30,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:01:30,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:01:30,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:01:30,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:01:30,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:01:30,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:01:30,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:01:30,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:01:30,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:01:30,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:01:30,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:01:30,613 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:01:30,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:01:30,613 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:01:30,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:01:30,614 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_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cd4d2da3e8c67dcbbb1bc67513194161ffb41af2bf3144b7012fa145d33f7f9 [2022-11-25 18:01:31,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:01:31,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:01:31,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:01:31,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:01:31,075 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:01:31,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_42_good.i [2022-11-25 18:01:34,360 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:01:34,761 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:01:34,762 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_42_good.i [2022-11-25 18:01:34,808 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/data/1b4f5afa5/2e28193d6dbb41aa99d87c779188d497/FLAGd6177337e [2022-11-25 18:01:34,827 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/data/1b4f5afa5/2e28193d6dbb41aa99d87c779188d497 [2022-11-25 18:01:34,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:01:34,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:01:34,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:01:34,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:01:34,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:01:34,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:01:34" (1/1) ... [2022-11-25 18:01:34,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372a3c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:34, skipping insertion in model container [2022-11-25 18:01:34,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:01:34" (1/1) ... [2022-11-25 18:01:34,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:01:34,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:01:35,338 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:01:35,944 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:01:35,955 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:01:35,959 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:01:35,971 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:01:35,975 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:01:36,008 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:01:36,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:01:36,026 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:01:36,053 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:01:36,104 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:01:36,106 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:01:36,108 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:01:36,110 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:01:36,111 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:01:36,118 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:01:36,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:01:36,264 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:01:36,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36 WrapperNode [2022-11-25 18:01:36,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:01:36,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:01:36,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:01:36,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:01:36,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,327 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 62 [2022-11-25 18:01:36,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:01:36,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:01:36,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:01:36,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:01:36,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:01:36,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:01:36,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:01:36,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:01:36,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (1/1) ... [2022-11-25 18:01:36,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:01:36,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:01:36,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:01:36,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:01:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 18:01:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 18:01:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:01:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:01:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:01:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:01:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:01:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:01:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:01:36,750 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:01:36,752 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:01:36,891 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:01:36,900 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:01:36,900 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:01:36,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:01:36 BoogieIcfgContainer [2022-11-25 18:01:36,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:01:36,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:01:36,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:01:36,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:01:36,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:01:34" (1/3) ... [2022-11-25 18:01:36,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad9bbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:01:36, skipping insertion in model container [2022-11-25 18:01:36,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:36" (2/3) ... [2022-11-25 18:01:36,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad9bbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:01:36, skipping insertion in model container [2022-11-25 18:01:36,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:01:36" (3/3) ... [2022-11-25 18:01:36,919 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_42_good.i [2022-11-25 18:01:36,942 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:01:36,942 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 18:01:37,068 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:01:37,076 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;@1b19bb3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:01:37,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 18:01:37,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 18:01:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 18:01:37,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:01:37,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:01:37,093 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)] === [2022-11-25 18:01:37,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:01:37,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1472520282, now seen corresponding path program 1 times [2022-11-25 18:01:37,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:01:37,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671723055] [2022-11-25 18:01:37,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:01:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:01:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:01:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:01:37,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:01:37,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671723055] [2022-11-25 18:01:37,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671723055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:01:37,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:01:37,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:01:37,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577269569] [2022-11-25 18:01:37,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:01:37,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:01:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:01:37,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:01:37,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:01:37,522 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 30 states have internal predecessors, (31), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:01:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:01:37,636 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2022-11-25 18:01:37,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:01:37,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 18:01:37,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:01:37,648 INFO L225 Difference]: With dead ends: 57 [2022-11-25 18:01:37,648 INFO L226 Difference]: Without dead ends: 19 [2022-11-25 18:01:37,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:01:37,671 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 30 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:01:37,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 56 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:01:37,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-25 18:01:37,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-25 18:01:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:01:37,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-11-25 18:01:37,722 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2022-11-25 18:01:37,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:01:37,724 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-11-25 18:01:37,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 18:01:37,724 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-11-25 18:01:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 18:01:37,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:01:37,727 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:01:37,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:01:37,729 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)] === [2022-11-25 18:01:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:01:37,732 INFO L85 PathProgramCache]: Analyzing trace with hash 156595170, now seen corresponding path program 1 times [2022-11-25 18:01:37,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:01:37,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349129020] [2022-11-25 18:01:37,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:01:37,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:01:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:37,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:01:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:01:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:01:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:01:38,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:01:38,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349129020] [2022-11-25 18:01:38,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349129020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:01:38,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:01:38,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:01:38,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235945140] [2022-11-25 18:01:38,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:01:38,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:01:38,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:01:38,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:01:38,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:01:38,037 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:01:38,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:01:38,073 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-25 18:01:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:01:38,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-25 18:01:38,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:01:38,075 INFO L225 Difference]: With dead ends: 19 [2022-11-25 18:01:38,075 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:01:38,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:01:38,077 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:01:38,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 43 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:01:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:01:38,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:01:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:01:38,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:01:38,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-25 18:01:38,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:01:38,080 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:01:38,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 18:01:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:01:38,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:01:38,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 18:01:38,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 18:01:38,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 18:01:38,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 18:01:38,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:01:38,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:01:38,157 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 18:01:38,157 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:01:38,157 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 18:01:38,158 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 18:01:38,159 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:01:38,161 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 18:01:38,161 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 18:01:38,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-11-25 18:01:38,162 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1586) no Hoare annotation was computed. [2022-11-25 18:01:38,162 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:01:38,163 INFO L895 garLoopResultBuilder]: At program point L1567(lines 1564 1568) the Hoare annotation is: (= 2147483647 |ULTIMATE.start_goodB2GSource_#res#1|) [2022-11-25 18:01:38,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1560) no Hoare annotation was computed. [2022-11-25 18:01:38,163 INFO L895 garLoopResultBuilder]: At program point L1598(lines 1592 1599) the Hoare annotation is: (and (= 2147483647 |ULTIMATE.start_goodB2GSource_#res#1|) (= 2147483647 |ULTIMATE.start_goodB2G_~data~1#1|)) [2022-11-25 18:01:38,164 INFO L895 garLoopResultBuilder]: At program point L1561(line 1561) the Hoare annotation is: (and (= 2147483647 |ULTIMATE.start_goodB2GSource_#res#1|) (= 2147483647 |ULTIMATE.start_goodB2G_~data~1#1|)) [2022-11-25 18:01:38,164 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1563) no Hoare annotation was computed. [2022-11-25 18:01:38,164 INFO L895 garLoopResultBuilder]: At program point L1551(lines 1548 1552) the Hoare annotation is: (and (= 2147483647 |ULTIMATE.start_goodB2GSource_#res#1|) (= |ULTIMATE.start_goodG2BSource_#res#1| 2) (= 2147483647 |ULTIMATE.start_goodB2G_~data~1#1|)) [2022-11-25 18:01:38,164 INFO L899 garLoopResultBuilder]: For program point L1578(line 1578) no Hoare annotation was computed. [2022-11-25 18:01:38,164 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2022-11-25 18:01:38,165 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1584) no Hoare annotation was computed. [2022-11-25 18:01:38,165 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1585) no Hoare annotation was computed. [2022-11-25 18:01:38,165 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:01:38,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-11-25 18:01:38,166 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1560) no Hoare annotation was computed. [2022-11-25 18:01:38,166 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:01:38,166 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (= 2147483647 |ULTIMATE.start_goodB2GSource_#res#1|) (= 2147483647 |ULTIMATE.start_goodB2G_~data~1#1|)) [2022-11-25 18:01:38,167 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:01:38,168 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2022-11-25 18:01:38,173 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-25 18:01:38,173 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-25 18:01:38,173 INFO L899 garLoopResultBuilder]: For program point L1560(line 1560) no Hoare annotation was computed. [2022-11-25 18:01:38,174 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-11-25 18:01:38,174 INFO L899 garLoopResultBuilder]: For program point L1558(lines 1558 1562) no Hoare annotation was computed. [2022-11-25 18:01:38,174 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1591) no Hoare annotation was computed. [2022-11-25 18:01:38,174 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (and (= 2147483647 |ULTIMATE.start_goodB2GSource_#res#1|) (= 2147483647 |ULTIMATE.start_goodB2G_~data~1#1|)) [2022-11-25 18:01:38,174 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: false [2022-11-25 18:01:38,179 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 18:01:38,182 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:01:38,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:01:38 BoogieIcfgContainer [2022-11-25 18:01:38,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:01:38,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:01:38,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:01:38,201 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:01:38,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:01:36" (3/4) ... [2022-11-25 18:01:38,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:01:38,212 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 18:01:38,212 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 18:01:38,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 18:01:38,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 18:01:38,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 18:01:38,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:01:38,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 2147483647 == \result && 2147483647 == data [2022-11-25 18:01:38,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 2147483647 == \result [2022-11-25 18:01:38,259 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2147483647 == \result && \result == 2) && 2147483647 == data [2022-11-25 18:01:38,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:01:38,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:01:38,289 INFO L158 Benchmark]: Toolchain (without parser) took 3453.48ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 72.4MB in the end (delta: 57.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-11-25 18:01:38,289 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:01:38,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1426.61ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 68.6MB in the end (delta: 61.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-25 18:01:38,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.53ms. Allocated memory is still 163.6MB. Free memory was 68.6MB in the beginning and 65.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:01:38,290 INFO L158 Benchmark]: Boogie Preprocessor took 61.03ms. Allocated memory is still 163.6MB. Free memory was 65.7MB in the beginning and 64.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:01:38,291 INFO L158 Benchmark]: RCFGBuilder took 512.97ms. Allocated memory is still 163.6MB. Free memory was 64.2MB in the beginning and 124.0MB in the end (delta: -59.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 18:01:38,291 INFO L158 Benchmark]: TraceAbstraction took 1290.59ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 75.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-25 18:01:38,291 INFO L158 Benchmark]: Witness Printer took 87.18ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 72.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:01:38,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1426.61ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 68.6MB in the end (delta: 61.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.53ms. Allocated memory is still 163.6MB. Free memory was 68.6MB in the beginning and 65.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.03ms. Allocated memory is still 163.6MB. Free memory was 65.7MB in the beginning and 64.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.97ms. Allocated memory is still 163.6MB. Free memory was 64.2MB in the beginning and 124.0MB in the end (delta: -59.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1290.59ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 75.7MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 87.18ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 72.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1560]: 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 45 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 45 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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: 1548]: Loop Invariant Derived loop invariant: (2147483647 == \result && \result == 2) && 2147483647 == data - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 2147483647 == \result && 2147483647 == data - InvariantResult [Line: 1564]: Loop Invariant Derived loop invariant: 2147483647 == \result RESULT: Ultimate proved your program to be correct! [2022-11-25 18:01:38,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21f71c6b-f745-443c-8061-f4be12be2a8a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE