./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/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_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/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_52bf5375-4b6a-4609-b411-d7904eca697c/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 d773a141845241c980bc63a8ce070e4fe927437db7ca2c09cb4361f9c9affb8c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:50:56,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:50:56,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:50:56,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:50:56,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:50:56,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:50:56,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:50:56,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:50:56,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:50:56,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:50:56,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:50:56,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:50:56,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:50:56,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:50:56,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:50:56,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:50:56,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:50:56,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:50:56,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:50:56,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:50:56,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:50:56,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:50:56,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:50:56,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:50:56,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:50:56,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:50:56,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:50:56,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:50:56,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:50:56,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:50:56,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:50:56,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:50:56,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:50:56,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:50:56,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:50:56,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:50:56,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:50:56,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:50:56,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:50:56,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:50:56,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:50:56,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:50:56,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:50:56,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:50:56,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:50:56,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:50:56,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:50:56,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:50:56,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:50:56,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:50:56,499 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:50:56,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:50:56,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:50:56,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:50:56,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:50:56,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:50:56,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:50:56,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:50:56,502 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:50:56,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:50:56,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:50:56,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:50:56,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:50:56,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:50:56,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:50:56,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:50:56,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:50:56,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:50:56,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:50:56,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:50:56,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:50:56,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:50:56,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:50:56,506 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:50:56,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:50:56,507 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_52bf5375-4b6a-4609-b411-d7904eca697c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d773a141845241c980bc63a8ce070e4fe927437db7ca2c09cb4361f9c9affb8c [2022-11-25 16:50:56,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:50:56,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:50:56,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:50:56,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:50:56,863 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:50:56,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_44_bad.i [2022-11-25 16:51:00,289 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:51:00,805 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:51:00,806 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_44_bad.i [2022-11-25 16:51:00,837 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/data/036ef038f/2b34c4f9bfdb475da7a6b1de941f8fe2/FLAG9be70661f [2022-11-25 16:51:00,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/data/036ef038f/2b34c4f9bfdb475da7a6b1de941f8fe2 [2022-11-25 16:51:00,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:51:00,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:51:00,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:51:00,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:51:00,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:51:00,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:00" (1/1) ... [2022-11-25 16:51:00,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7c8a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:00, skipping insertion in model container [2022-11-25 16:51:00,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:00" (1/1) ... [2022-11-25 16:51:00,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:51:00,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:51:01,468 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:51:02,104 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:51:02,111 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:51:02,114 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:51:02,117 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:51:02,118 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:51:02,162 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:51:02,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:51:02,177 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:51:02,202 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:51:02,287 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:51:02,291 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:51:02,294 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:51:02,301 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:51:02,303 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:51:02,312 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:51:02,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:51:02,567 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:51:02,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02 WrapperNode [2022-11-25 16:51:02,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:51:02,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:51:02,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:51:02,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:51:02,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,640 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2022-11-25 16:51:02,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:51:02,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:51:02,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:51:02,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:51:02,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:51:02,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:51:02,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:51:02,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:51:02,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (1/1) ... [2022-11-25 16:51:02,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:51:02,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:51:02,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:51:02,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:51:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:51:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:51:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:51:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:51:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:51:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:51:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:51:02,982 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:51:02,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:51:03,213 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:51:03,219 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:51:03,219 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:51:03,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:03 BoogieIcfgContainer [2022-11-25 16:51:03,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:51:03,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:51:03,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:51:03,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:51:03,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:51:00" (1/3) ... [2022-11-25 16:51:03,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ae509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:51:03, skipping insertion in model container [2022-11-25 16:51:03,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:02" (2/3) ... [2022-11-25 16:51:03,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ae509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:51:03, skipping insertion in model container [2022-11-25 16:51:03,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:03" (3/3) ... [2022-11-25 16:51:03,232 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_44_bad.i [2022-11-25 16:51:03,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:51:03,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 16:51:03,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:51:03,317 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;@507bc61b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:51:03,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 16:51:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:51:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 16:51:03,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:51:03,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:51:03,335 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 16:51:03,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:51:03,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-11-25 16:51:03,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:51:03,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711276062] [2022-11-25 16:51:03,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:51:03,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:51:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:51:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:51:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:51:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:51:04,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:51:04,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711276062] [2022-11-25 16:51:04,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711276062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:51:04,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:51:04,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:51:04,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069105473] [2022-11-25 16:51:04,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:51:04,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:51:04,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:51:04,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:51:04,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:51:04,116 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:51:04,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:51:04,163 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-25 16:51:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:51:04,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2022-11-25 16:51:04,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:51:04,178 INFO L225 Difference]: With dead ends: 23 [2022-11-25 16:51:04,179 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 16:51:04,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:51:04,190 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 10 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 33 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 [2022-11-25 16:51:04,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 33 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:51:04,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 16:51:04,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 16:51:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:51:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 16:51:04,233 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 16:51:04,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:51:04,234 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 16:51:04,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:51:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 16:51:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 16:51:04,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:51:04,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:51:04,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:51:04,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 16:51:04,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:51:04,238 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2022-11-25 16:51:04,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:51:04,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816366101] [2022-11-25 16:51:04,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:51:04,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:51:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:51:04,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:51:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:51:04,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:51:04,436 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:51:04,439 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 16:51:04,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 16:51:04,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:51:04,449 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 16:51:04,454 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:51:04,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:51:04 BoogieIcfgContainer [2022-11-25 16:51:04,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:51:04,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:51:04,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:51:04,513 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:51:04,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:03" (3/4) ... [2022-11-25 16:51:04,517 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:51:04,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:51:04,520 INFO L158 Benchmark]: Toolchain (without parser) took 3646.28ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 89.6MB in the end (delta: 25.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-25 16:51:04,524 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:51:04,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1690.73ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 100.2MB in the end (delta: 14.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-25 16:51:04,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.37ms. Allocated memory is still 148.9MB. Free memory was 100.2MB in the beginning and 97.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:51:04,532 INFO L158 Benchmark]: Boogie Preprocessor took 37.21ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:51:04,535 INFO L158 Benchmark]: RCFGBuilder took 541.83ms. Allocated memory is still 148.9MB. Free memory was 95.5MB in the beginning and 81.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:51:04,536 INFO L158 Benchmark]: TraceAbstraction took 1287.39ms. Allocated memory is still 148.9MB. Free memory was 81.3MB in the beginning and 89.6MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:51:04,537 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 148.9MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:51:04,542 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 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1690.73ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 100.2MB in the end (delta: 14.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.37ms. Allocated memory is still 148.9MB. Free memory was 100.2MB in the beginning and 97.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.21ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.83ms. Allocated memory is still 148.9MB. Free memory was 95.5MB in the beginning and 81.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1287.39ms. Allocated memory is still 148.9MB. Free memory was 81.3MB in the beginning and 89.6MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 148.9MB. Free memory is still 89.6MB. There was no memory consumed. 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 - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1560, overapproximation of bitwiseAnd at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=32769, rand()=0, rand()=1, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL funcPtr(data) [L1551] data + 1 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 16:51:04,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/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_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/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 d773a141845241c980bc63a8ce070e4fe927437db7ca2c09cb4361f9c9affb8c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:51:07,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:51:07,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:51:07,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:51:07,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:51:07,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:51:07,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:51:07,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:51:07,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:51:07,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:51:07,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:51:07,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:51:07,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:51:07,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:51:07,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:51:07,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:51:07,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:51:07,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:51:07,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:51:07,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:51:07,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:51:07,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:51:07,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:51:07,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:51:07,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:51:07,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:51:07,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:51:07,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:51:07,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:51:07,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:51:07,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:51:07,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:51:07,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:51:07,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:51:07,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:51:07,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:51:07,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:51:07,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:51:07,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:51:07,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:51:07,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:51:07,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 16:51:07,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:51:07,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:51:07,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:51:07,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:51:07,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:51:07,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:51:07,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:51:07,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:51:07,496 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:51:07,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:51:07,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:51:07,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:51:07,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:51:07,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:51:07,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:51:07,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 16:51:07,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 16:51:07,500 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:51:07,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 16:51:07,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:51:07,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:51:07,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:51:07,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:51:07,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:51:07,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:51:07,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:51:07,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:51:07,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:51:07,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:51:07,504 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 16:51:07,504 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 16:51:07,504 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:51:07,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:51:07,505 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:51:07,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:51:07,506 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 16:51:07,506 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_52bf5375-4b6a-4609-b411-d7904eca697c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d773a141845241c980bc63a8ce070e4fe927437db7ca2c09cb4361f9c9affb8c [2022-11-25 16:51:07,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:51:07,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:51:07,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:51:07,989 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:51:07,990 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:51:07,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_44_bad.i [2022-11-25 16:51:11,446 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:51:11,963 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:51:11,964 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_44_bad.i [2022-11-25 16:51:11,990 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/data/635403f5f/2e30edebfac94cea8ca334613cfd9d85/FLAGcdef10086 [2022-11-25 16:51:12,019 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/data/635403f5f/2e30edebfac94cea8ca334613cfd9d85 [2022-11-25 16:51:12,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:51:12,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:51:12,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:51:12,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:51:12,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:51:12,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:12" (1/1) ... [2022-11-25 16:51:12,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd62f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:12, skipping insertion in model container [2022-11-25 16:51:12,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:12" (1/1) ... [2022-11-25 16:51:12,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:51:12,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:51:12,629 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:51:13,269 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:51:13,277 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:51:13,281 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:51:13,294 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:51:13,295 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:51:13,362 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:51:13,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:51:13,394 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:51:13,435 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:51:13,541 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:51:13,547 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:51:13,551 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:51:13,555 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:51:13,557 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:51:13,570 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:51:13,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:51:13,810 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:51:13,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13 WrapperNode [2022-11-25 16:51:13,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:51:13,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:51:13,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:51:13,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:51:13,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,897 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2022-11-25 16:51:13,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:51:13,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:51:13,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:51:13,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:51:13,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:51:13,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:51:13,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:51:13,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:51:13,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (1/1) ... [2022-11-25 16:51:13,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:51:13,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:51:14,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:51:14,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:51:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:51:14,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:51:14,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 16:51:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:51:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:51:14,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:51:14,059 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:51:14,384 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:51:14,387 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:51:14,545 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:51:14,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:51:14,553 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:51:14,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:14 BoogieIcfgContainer [2022-11-25 16:51:14,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:51:14,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:51:14,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:51:14,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:51:14,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:51:12" (1/3) ... [2022-11-25 16:51:14,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b599936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:51:14, skipping insertion in model container [2022-11-25 16:51:14,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:13" (2/3) ... [2022-11-25 16:51:14,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b599936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:51:14, skipping insertion in model container [2022-11-25 16:51:14,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:14" (3/3) ... [2022-11-25 16:51:14,567 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_44_bad.i [2022-11-25 16:51:14,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:51:14,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 16:51:14,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:51:14,670 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;@662bc983, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:51:14,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 16:51:14,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 16:51:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 16:51:14,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:51:14,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:51:14,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 16:51:14,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:51:14,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-11-25 16:51:14,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:51:14,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778140539] [2022-11-25 16:51:14,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:51:14,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:51:14,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:51:14,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 16:51:14,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 16:51:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:51:14,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 16:51:14,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:51:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:51:15,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:51:15,013 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:51:15,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778140539] [2022-11-25 16:51:15,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778140539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:51:15,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:51:15,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 16:51:15,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797619063] [2022-11-25 16:51:15,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:51:15,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 16:51:15,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:51:15,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 16:51:15,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 16:51:15,087 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:51:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:51:15,135 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-25 16:51:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 16:51:15,138 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-11-25 16:51:15,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:51:15,146 INFO L225 Difference]: With dead ends: 23 [2022-11-25 16:51:15,147 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 16:51:15,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 16:51:15,156 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:51:15,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 16:51:15,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 16:51:15,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 16:51:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:51:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 16:51:15,204 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 16:51:15,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:51:15,205 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 16:51:15,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:51:15,206 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 16:51:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 16:51:15,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:51:15,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:51:15,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:51:15,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:51:15,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 16:51:15,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:51:15,422 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2022-11-25 16:51:15,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:51:15,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465687168] [2022-11-25 16:51:15,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:51:15,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:51:15,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:51:15,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 16:51:15,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 16:51:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:51:15,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:51:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:51:15,614 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 16:51:15,614 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:51:15,616 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 16:51:15,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 16:51:15,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:51:15,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:51:15,832 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 16:51:15,837 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:51:15,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:51:15 BoogieIcfgContainer [2022-11-25 16:51:15,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:51:15,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:51:15,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:51:15,875 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:51:15,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:14" (3/4) ... [2022-11-25 16:51:15,877 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 16:51:15,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:51:15,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:51:15,952 INFO L158 Benchmark]: Toolchain (without parser) took 3927.99ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 60.3MB in the beginning and 61.7MB in the end (delta: -1.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-25 16:51:15,953 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:51:15,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1782.91ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 41.9MB in the end (delta: 18.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-11-25 16:51:15,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.51ms. Allocated memory is still 86.0MB. Free memory was 41.9MB in the beginning and 38.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:51:15,954 INFO L158 Benchmark]: Boogie Preprocessor took 41.23ms. Allocated memory is still 86.0MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:51:15,954 INFO L158 Benchmark]: RCFGBuilder took 615.27ms. Allocated memory is still 86.0MB. Free memory was 36.5MB in the beginning and 48.6MB in the end (delta: -12.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-25 16:51:15,955 INFO L158 Benchmark]: TraceAbstraction took 1315.34ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.5MB in the beginning and 63.8MB in the end (delta: -16.3MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2022-11-25 16:51:15,955 INFO L158 Benchmark]: Witness Printer took 77.30ms. Allocated memory is still 104.9MB. Free memory was 63.8MB in the beginning and 61.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:51:15,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1782.91ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 41.9MB in the end (delta: 18.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.51ms. Allocated memory is still 86.0MB. Free memory was 41.9MB in the beginning and 38.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.23ms. Allocated memory is still 86.0MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.27ms. Allocated memory is still 86.0MB. Free memory was 36.5MB in the beginning and 48.6MB in the end (delta: -12.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1315.34ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.5MB in the beginning and 63.8MB in the end (delta: -16.3MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 77.30ms. Allocated memory is still 104.9MB. Free memory was 63.8MB in the beginning and 61.7MB in the end (delta: 2.1MB). 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 - CounterExampleResult [Line: 1551]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=65536, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL funcPtr(data) [L1551] data + 1 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-25 16:51:15,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52bf5375-4b6a-4609-b411-d7904eca697c/bin/uautomizer-ZsLfNo2U6R/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)