./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 b93c3e4cbc935ce20782b65c2e3685b96b330bdae12e8e733efb31857450feeb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:10:31,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:10:31,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-21 22:10:31,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:10:31,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:10:31,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:10:31,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:10:31,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:10:31,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:10:31,926 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:10:31,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:10:31,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:10:31,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:10:31,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:10:31,929 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:10:31,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:10:31,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:10:31,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:10:31,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:10:31,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:10:31,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:10:31,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:10:31,934 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:10:31,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:10:31,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:10:31,936 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:10:31,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:10:31,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:10:31,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:10:31,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:10:31,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:31,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:10:31,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:10:31,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:10:31,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:10:31,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:10:31,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:10:31,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:10:31,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:10:31,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:10:31,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:10:31,943 INFO L153 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_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b93c3e4cbc935ce20782b65c2e3685b96b330bdae12e8e733efb31857450feeb [2023-11-21 22:10:32,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:10:32,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:10:32,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:10:32,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:10:32,285 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:10:32,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_66_bad.i [2023-11-21 22:10:35,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:10:35,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:10:35,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_66_bad.i [2023-11-21 22:10:35,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/data/ef88a5588/057a4fb22e754011a9a4e18840159c58/FLAG00c11b7c0 [2023-11-21 22:10:35,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/data/ef88a5588/057a4fb22e754011a9a4e18840159c58 [2023-11-21 22:10:35,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:10:35,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:10:35,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:35,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:10:35,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:10:35,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:35" (1/1) ... [2023-11-21 22:10:35,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63429537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:35, skipping insertion in model container [2023-11-21 22:10:35,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:35" (1/1) ... [2023-11-21 22:10:36,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:10:36,459 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:10:37,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:37,229 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:10:37,268 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:10:37,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:37,600 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:37,601 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:37,601 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:37,601 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:37,601 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:37,609 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:10:37,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37 WrapperNode [2023-11-21 22:10:37,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:37,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:37,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:10:37,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:10:37,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,685 INFO L138 Inliner]: procedures = 500, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-21 22:10:37,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:37,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:10:37,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:10:37,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:10:37,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,708 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,731 INFO L187 HeapSplitter]: Split 3 memory accesses to 2 slices as follows [1, 2] [2023-11-21 22:10:37,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:10:37,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:10:37,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:10:37,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:10:37,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (1/1) ... [2023-11-21 22:10:37,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:37,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:10:37,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:10:37,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:10:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 22:10:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 22:10:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:10:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:10:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:10:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:10:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:10:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:10:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:10:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 22:10:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:10:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:10:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:10:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:10:38,030 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:10:38,032 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:10:38,263 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:10:38,493 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:10:38,493 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:10:38,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:38 BoogieIcfgContainer [2023-11-21 22:10:38,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:10:38,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:10:38,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:10:38,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:10:38,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:10:35" (1/3) ... [2023-11-21 22:10:38,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e7d22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:38, skipping insertion in model container [2023-11-21 22:10:38,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:37" (2/3) ... [2023-11-21 22:10:38,502 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e7d22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:38, skipping insertion in model container [2023-11-21 22:10:38,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:38" (3/3) ... [2023-11-21 22:10:38,504 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_66_bad.i [2023-11-21 22:10:38,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:10:38,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 22:10:38,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:10:38,577 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=LoopHeads, 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;@60904aef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:10:38,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 22:10:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2023-11-21 22:10:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:10:38,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:38,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:10:38,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-21 22:10:38,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:38,597 INFO L85 PathProgramCache]: Analyzing trace with hash -216594002, now seen corresponding path program 1 times [2023-11-21 22:10:38,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:38,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815809905] [2023-11-21 22:10:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:38,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:39,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:39,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815809905] [2023-11-21 22:10:39,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815809905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:39,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:39,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:10:39,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793297791] [2023-11-21 22:10:39,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:39,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:39,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:39,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:39,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:39,824 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-21 22:10:39,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:39,882 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-21 22:10:39,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:39,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2023-11-21 22:10:39,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:39,892 INFO L225 Difference]: With dead ends: 12 [2023-11-21 22:10:39,892 INFO L226 Difference]: Without dead ends: 8 [2023-11-21 22:10:39,896 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 [2023-11-21 22:10:39,902 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:39,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:39,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-21 22:10:39,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-21 22:10:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2023-11-21 22:10:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-21 22:10:39,940 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-21 22:10:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:39,941 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-21 22:10:39,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-21 22:10:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-21 22:10:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 22:10:39,944 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:39,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:39,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:10:39,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-21 22:10:39,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:39,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1875520651, now seen corresponding path program 1 times [2023-11-21 22:10:39,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:39,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735305874] [2023-11-21 22:10:39,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:39,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:10:40,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:10:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:10:40,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:10:40,226 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:10:40,229 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-21 22:10:40,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-21 22:10:40,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:10:40,236 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:10:40,240 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:10:40,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:10:40 BoogieIcfgContainer [2023-11-21 22:10:40,281 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:10:40,282 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:10:40,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:10:40,282 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:10:40,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:38" (3/4) ... [2023-11-21 22:10:40,285 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:10:40,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:10:40,287 INFO L158 Benchmark]: Toolchain (without parser) took 4363.92ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 120.1MB in the beginning and 76.8MB in the end (delta: 43.3MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. [2023-11-21 22:10:40,288 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:10:40,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1683.71ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 114.3MB in the end (delta: 5.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:40,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.20ms. Allocated memory is still 169.9MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:40,296 INFO L158 Benchmark]: Boogie Preprocessor took 64.13ms. Allocated memory is still 169.9MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:40,297 INFO L158 Benchmark]: RCFGBuilder took 743.92ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 68.2MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 22:10:40,297 INFO L158 Benchmark]: TraceAbstraction took 1783.47ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 68.2MB in the beginning and 77.8MB in the end (delta: -9.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-21 22:10:40,298 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 237.0MB. Free memory was 77.8MB in the beginning and 76.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:10:40,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1683.71ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 114.3MB in the end (delta: 5.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.20ms. Allocated memory is still 169.9MB. Free memory was 114.3MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.13ms. Allocated memory is still 169.9MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.92ms. Allocated memory is still 169.9MB. Free memory was 109.1MB in the beginning and 68.2MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1783.47ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 68.2MB in the beginning and 77.8MB in the end (delta: -9.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 237.0MB. Free memory was 77.8MB in the beginning and 76.8MB in the end (delta: 1.0MB). 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=7516192769, argc=7516192769, argv={7516192771:7516192770}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_preinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_rand_preinc_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataArray={4:0}, dataArray={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 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=12occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2023-11-21 22:10:40,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 b93c3e4cbc935ce20782b65c2e3685b96b330bdae12e8e733efb31857450feeb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:10:43,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:10:43,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-21 22:10:43,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:10:43,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:10:43,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-21 22:10:43,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:10:43,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:10:43,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:10:43,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:10:43,255 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:10:43,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:10:43,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:10:43,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:10:43,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:10:43,259 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:10:43,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:10:43,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:10:43,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:10:43,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:10:43,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:10:43,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:10:43,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:10:43,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:10:43,263 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:10:43,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:10:43,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:10:43,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:10:43,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:10:43,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:10:43,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:10:43,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:10:43,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:10:43,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:43,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:10:43,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:10:43,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:10:43,270 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:10:43,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:10:43,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:10:43,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:10:43,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:10:43,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:10:43,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:10:43,272 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:10:43,272 INFO L153 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_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b93c3e4cbc935ce20782b65c2e3685b96b330bdae12e8e733efb31857450feeb [2023-11-21 22:10:43,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:10:43,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:10:43,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:10:43,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:10:43,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:10:43,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_66_bad.i [2023-11-21 22:10:46,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:10:47,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:10:47,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_66_bad.i [2023-11-21 22:10:47,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/data/1750c754a/5c76f4c8937647da84d24f09ad6231b5/FLAG1f0ff1611 [2023-11-21 22:10:47,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/data/1750c754a/5c76f4c8937647da84d24f09ad6231b5 [2023-11-21 22:10:47,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:10:47,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:10:47,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:47,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:10:47,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:10:47,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:47" (1/1) ... [2023-11-21 22:10:47,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa4e0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:47, skipping insertion in model container [2023-11-21 22:10:47,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:47" (1/1) ... [2023-11-21 22:10:47,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:10:47,915 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:10:48,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:48,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:10:48,493 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:10:48,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:48,684 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:48,685 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:48,685 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:48,685 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:48,685 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:48,694 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:10:48,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48 WrapperNode [2023-11-21 22:10:48,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:48,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:48,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:10:48,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:10:48,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,781 INFO L138 Inliner]: procedures = 505, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-11-21 22:10:48,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:48,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:10:48,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:10:48,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:10:48,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,801 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,828 INFO L187 HeapSplitter]: Split 3 memory accesses to 2 slices as follows [1, 2] [2023-11-21 22:10:48,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:10:48,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:10:48,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:10:48,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:10:48,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (1/1) ... [2023-11-21 22:10:48,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:48,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:10:48,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:10:48,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:10:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 22:10:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 22:10:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:10:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:10:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 22:10:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:10:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:10:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:10:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-21 22:10:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-21 22:10:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:10:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-21 22:10:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-21 22:10:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 22:10:49,192 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:10:49,194 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:10:49,400 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:10:49,553 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:10:49,554 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:10:49,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:49 BoogieIcfgContainer [2023-11-21 22:10:49,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:10:49,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:10:49,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:10:49,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:10:49,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:10:47" (1/3) ... [2023-11-21 22:10:49,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad5a061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:49, skipping insertion in model container [2023-11-21 22:10:49,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:48" (2/3) ... [2023-11-21 22:10:49,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad5a061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:49, skipping insertion in model container [2023-11-21 22:10:49,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:49" (3/3) ... [2023-11-21 22:10:49,569 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_66_bad.i [2023-11-21 22:10:49,591 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:10:49,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 22:10:49,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:10:49,660 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=LoopHeads, 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;@5a71d088, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:10:49,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 22:10:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2023-11-21 22:10:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:10:49,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:49,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:10:49,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-21 22:10:49,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:49,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2095058450, now seen corresponding path program 1 times [2023-11-21 22:10:49,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:10:49,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328027617] [2023-11-21 22:10:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:49,714 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 [2023-11-21 22:10:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:10:49,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:10:49,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:10:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:49,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 22:10:49,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:10:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:49,924 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:10:49,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:10:49,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328027617] [2023-11-21 22:10:49,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328027617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:49,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:49,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:10:49,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332414255] [2023-11-21 22:10:49,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:49,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:10:49,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:10:49,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:10:49,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:10:49,965 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-21 22:10:50,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:10:50,012 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-21 22:10:50,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:10:50,015 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 6 [2023-11-21 22:10:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:10:50,022 INFO L225 Difference]: With dead ends: 12 [2023-11-21 22:10:50,022 INFO L226 Difference]: Without dead ends: 8 [2023-11-21 22:10:50,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:10:50,030 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:10:50,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:10:50,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-21 22:10:50,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-21 22:10:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2023-11-21 22:10:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-21 22:10:50,069 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-21 22:10:50,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:10:50,069 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-21 22:10:50,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-21 22:10:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-21 22:10:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 22:10:50,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:10:50,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:50,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:10:50,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:10:50,276 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-21 22:10:50,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:50,277 INFO L85 PathProgramCache]: Analyzing trace with hash 522302563, now seen corresponding path program 1 times [2023-11-21 22:10:50,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:10:50,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671643072] [2023-11-21 22:10:50,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:50,278 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 [2023-11-21 22:10:50,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:10:50,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:10:50,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:10:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:10:50,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:10:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:10:50,530 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-21 22:10:50,530 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:10:50,532 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-21 22:10:50,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-21 22:10:50,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:10:50,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:10:50,738 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:10:50,741 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:10:50,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:10:50 BoogieIcfgContainer [2023-11-21 22:10:50,765 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:10:50,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:10:50,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:10:50,766 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:10:50,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:49" (3/4) ... [2023-11-21 22:10:50,768 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 22:10:50,821 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:10:50,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:10:50,833 INFO L158 Benchmark]: Toolchain (without parser) took 3484.34ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 43.6MB in the beginning and 66.1MB in the end (delta: -22.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:50,833 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:10:50,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.39ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 36.9MB in the end (delta: 6.5MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-21 22:10:50,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.54ms. Allocated memory is still 88.1MB. Free memory was 36.9MB in the beginning and 57.6MB in the end (delta: -20.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-21 22:10:50,837 INFO L158 Benchmark]: Boogie Preprocessor took 84.72ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 54.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:50,837 INFO L158 Benchmark]: RCFGBuilder took 688.47ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 57.8MB in the end (delta: -3.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:50,838 INFO L158 Benchmark]: TraceAbstraction took 1206.03ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 57.4MB in the beginning and 68.2MB in the end (delta: -10.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-21 22:10:50,839 INFO L158 Benchmark]: Witness Printer took 65.96ms. Allocated memory is still 107.0MB. Free memory was 68.2MB in the beginning and 66.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:50,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.39ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 36.9MB in the end (delta: 6.5MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.54ms. Allocated memory is still 88.1MB. Free memory was 36.9MB in the beginning and 57.6MB in the end (delta: -20.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.72ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 54.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 688.47ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 57.8MB in the end (delta: -3.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1206.03ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 57.4MB in the beginning and 68.2MB in the end (delta: -10.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 65.96ms. Allocated memory is still 107.0MB. Free memory was 68.2MB in the beginning and 66.1MB 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: 1570]: 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_preinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_rand_preinc_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataArray={7:0}, dataArray={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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! [2023-11-21 22:10:50,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30bfa8a5-0b88-4e08-95ae-dc69adb356b9/bin/uautomizer-verify-bycVGegfSx/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)