./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 395823a210dfb153d2d61e8d9e85e14ae91d03e114192ce25734aaed65ae0e02 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:53:41,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:53:41,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 16:53:41,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:53:41,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:53:41,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:53:41,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:53:41,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:53:41,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:53:41,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:53:41,550 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:53:41,551 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:53:41,551 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:53:41,552 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:53:41,552 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:53:41,553 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:53:41,553 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:53:41,554 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:53:41,554 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:53:41,555 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:53:41,555 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:53:41,560 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:53:41,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:53:41,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:53:41,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:53:41,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:53:41,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:53:41,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:53:41,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:53:41,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 16:53:41,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:53:41,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:53:41,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:53:41,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:53:41,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:53:41,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:53:41,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:53:41,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:53:41,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:53:41,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:53:41,566 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:53:41,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:53:41,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:53:41,567 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:53:41,567 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:53:41,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:53:41,567 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 395823a210dfb153d2d61e8d9e85e14ae91d03e114192ce25734aaed65ae0e02 [2023-12-02 16:53:41,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:53:41,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:53:41,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:53:41,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:53:41,837 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:53:41,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i [2023-12-02 16:53:44,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:53:44,780 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:53:44,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i [2023-12-02 16:53:44,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/data/e3d19ac78/bf4383df920948e5ad75e2b96726863d/FLAGf862c72b4 [2023-12-02 16:53:44,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/data/e3d19ac78/bf4383df920948e5ad75e2b96726863d [2023-12-02 16:53:44,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:53:44,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:53:44,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:53:44,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:53:44,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:53:44,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:53:44" (1/1) ... [2023-12-02 16:53:44,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae827c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:44, skipping insertion in model container [2023-12-02 16:53:44,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:53:44" (1/1) ... [2023-12-02 16:53:44,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:53:46,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:53:46,086 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:53:46,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:53:46,605 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:53:46,606 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:53:46,606 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:53:46,606 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:53:46,612 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:53:46,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46 WrapperNode [2023-12-02 16:53:46,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:53:46,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:53:46,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:53:46,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:53:46,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,683 INFO L138 Inliner]: procedures = 937, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2023-12-02 16:53:46,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:53:46,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:53:46,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:53:46,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:53:46,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:53:46,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:53:46,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:53:46,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:53:46,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (1/1) ... [2023-12-02 16:53:46,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:53:46,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:53:46,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:53:46,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:53:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:53:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:53:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:53:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 16:53:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 16:53:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 16:53:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:53:46,905 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:53:46,907 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:53:47,088 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:53:47,262 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:53:47,262 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 16:53:47,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:53:47 BoogieIcfgContainer [2023-12-02 16:53:47,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:53:47,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:53:47,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:53:47,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:53:47,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:53:44" (1/3) ... [2023-12-02 16:53:47,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a94513c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:53:47, skipping insertion in model container [2023-12-02 16:53:47,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:46" (2/3) ... [2023-12-02 16:53:47,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a94513c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:53:47, skipping insertion in model container [2023-12-02 16:53:47,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:53:47" (3/3) ... [2023-12-02 16:53:47,273 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_45_bad.i [2023-12-02 16:53:47,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:53:47,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 16:53:47,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:53:47,336 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=FINITE_AUTOMATA, 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;@61ba1536, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:53:47,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 16:53:47,340 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) [2023-12-02 16:53:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 16:53:47,347 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:53:47,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 16:53:47,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 16:53:47,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:53:47,354 INFO L85 PathProgramCache]: Analyzing trace with hash -216653584, now seen corresponding path program 1 times [2023-12-02 16:53:47,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:53:47,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186626312] [2023-12-02 16:53:47,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:53:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:53:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:53:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:53:47,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:53:47,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186626312] [2023-12-02 16:53:47,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186626312] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:53:47,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:53:47,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 16:53:47,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882825150] [2023-12-02 16:53:47,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:53:47,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:53:47,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:53:47,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:53:47,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:53:47,624 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) [2023-12-02 16:53:47,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:53:47,658 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-12-02 16:53:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:53:47,660 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 [2023-12-02 16:53:47,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:53:47,665 INFO L225 Difference]: With dead ends: 12 [2023-12-02 16:53:47,666 INFO L226 Difference]: Without dead ends: 8 [2023-12-02 16:53:47,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:53:47,672 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 [2023-12-02 16:53:47,673 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] [2023-12-02 16:53:47,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-12-02 16:53:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-12-02 16:53:47,697 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) [2023-12-02 16:53:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-12-02 16:53:47,699 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-12-02 16:53:47,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:53:47,700 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-12-02 16:53:47,700 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) [2023-12-02 16:53:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-12-02 16:53:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 16:53:47,701 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:53:47,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:53:47,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:53:47,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 16:53:47,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:53:47,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1873673609, now seen corresponding path program 1 times [2023-12-02 16:53:47,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:53:47,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059887792] [2023-12-02 16:53:47,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:53:47,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:53:47,741 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:53:47,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680919002] [2023-12-02 16:53:47,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:53:47,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:53:47,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:53:47,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:53:47,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:53:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:53:47,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:53:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:53:48,005 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:53:48,006 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:53:48,008 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 16:53:48,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 16:53:48,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:53:48,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:53:48,214 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 16:53:48,217 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:53:48,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet195 [2023-12-02 16:53:48,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:53:48 BoogieIcfgContainer [2023-12-02 16:53:48,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:53:48,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:53:48,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:53:48,242 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:53:48,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:53:47" (3/4) ... [2023-12-02 16:53:48,243 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:53:48,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:53:48,245 INFO L158 Benchmark]: Toolchain (without parser) took 3426.32ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 104.8MB in the beginning and 67.9MB in the end (delta: 36.9MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-12-02 16:53:48,246 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:53:48,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1793.18ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 104.8MB in the beginning and 90.7MB in the end (delta: 14.1MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2023-12-02 16:53:48,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.71ms. Allocated memory is still 178.3MB. Free memory was 90.7MB in the beginning and 87.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:53:48,248 INFO L158 Benchmark]: Boogie Preprocessor took 22.86ms. Allocated memory is still 178.3MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:53:48,248 INFO L158 Benchmark]: RCFGBuilder took 556.78ms. Allocated memory is still 178.3MB. Free memory was 85.5MB in the beginning and 112.0MB in the end (delta: -26.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-12-02 16:53:48,249 INFO L158 Benchmark]: TraceAbstraction took 974.43ms. Allocated memory is still 178.3MB. Free memory was 110.9MB in the beginning and 68.6MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 16:53:48,249 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 178.3MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:53:48,252 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1793.18ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 104.8MB in the beginning and 90.7MB in the end (delta: 14.1MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.71ms. Allocated memory is still 178.3MB. Free memory was 90.7MB in the beginning and 87.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.86ms. Allocated memory is still 178.3MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.78ms. Allocated memory is still 178.3MB. Free memory was 85.5MB in the beginning and 112.0MB in the end (delta: -26.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 974.43ms. Allocated memory is still 178.3MB. Free memory was 110.9MB in the beginning and 68.6MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 178.3MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet195 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1839]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1854, overapproximation of bitwiseOr at line 1847. 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); [L1832] static int CWE190_Integer_Overflow__int_rand_square_45_badData; [L1833] static int CWE190_Integer_Overflow__int_rand_square_45_goodG2BData; [L1834] static int CWE190_Integer_Overflow__int_rand_square_45_goodB2GData; [L1854] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_square_45_badData=0, CWE190_Integer_Overflow__int_rand_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_square_45_goodG2BData=0, 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) [L1854] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_square_45_badData=0, CWE190_Integer_Overflow__int_rand_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_square_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_rand_square_45_bad() [L1845] int data; [L1846] data = 0 [L1847] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1847] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1847] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1847] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1847] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1848] CWE190_Integer_Overflow__int_rand_square_45_badData = data [L1849] CALL badSink() [L1837] int data = CWE190_Integer_Overflow__int_rand_square_45_badData; VAL [CWE190_Integer_Overflow__int_rand_square_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_square_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1839] data * data VAL [CWE190_Integer_Overflow__int_rand_square_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_square_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_square_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1839]: 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: 0.9s, 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, 1 GetRequests, 1 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, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2023-12-02 16:53:48,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 395823a210dfb153d2d61e8d9e85e14ae91d03e114192ce25734aaed65ae0e02 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:53:50,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:53:50,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-12-02 16:53:50,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:53:50,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:53:50,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:53:50,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:53:50,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:53:50,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:53:50,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:53:50,271 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:53:50,272 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:53:50,272 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:53:50,273 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:53:50,273 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:53:50,274 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:53:50,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:53:50,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:53:50,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:53:50,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:53:50,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:53:50,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:53:50,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:53:50,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:53:50,278 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 16:53:50,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:53:50,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:53:50,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:53:50,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:53:50,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:53:50,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:53:50,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:53:50,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:53:50,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:53:50,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:53:50,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:53:50,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:53:50,282 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:53:50,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:53:50,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:53:50,283 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:53:50,283 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:53:50,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:53:50,284 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 395823a210dfb153d2d61e8d9e85e14ae91d03e114192ce25734aaed65ae0e02 [2023-12-02 16:53:50,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:53:50,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:53:50,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:53:50,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:53:50,572 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:53:50,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i [2023-12-02 16:53:53,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:53:53,673 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:53:53,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_45_bad.i [2023-12-02 16:53:53,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/data/3c6bbab77/6a356c8a5560428588cf3b0268b879b1/FLAG607b03d37 [2023-12-02 16:53:53,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/data/3c6bbab77/6a356c8a5560428588cf3b0268b879b1 [2023-12-02 16:53:53,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:53:53,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:53:53,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:53:53,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:53:53,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:53:53,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:53:53" (1/1) ... [2023-12-02 16:53:53,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9db4a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:53, skipping insertion in model container [2023-12-02 16:53:53,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:53:53" (1/1) ... [2023-12-02 16:53:53,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:53:55,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:53:55,094 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:53:55,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:53:55,462 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:53:55,463 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:53:55,463 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:53:55,463 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:53:55,469 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:53:55,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55 WrapperNode [2023-12-02 16:53:55,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:53:55,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:53:55,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:53:55,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:53:55,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,544 INFO L138 Inliner]: procedures = 942, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-02 16:53:55,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:53:55,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:53:55,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:53:55,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:53:55,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:53:55,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:53:55,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:53:55,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:53:55,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (1/1) ... [2023-12-02 16:53:55,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:53:55,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:53:55,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:53:55,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:53:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:53:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:53:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:53:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 16:53:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 16:53:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 16:53:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:53:55,821 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:53:55,823 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:53:57,064 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:53:57,104 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:53:57,104 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 16:53:57,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:53:57 BoogieIcfgContainer [2023-12-02 16:53:57,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:53:57,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:53:57,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:53:57,109 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:53:57,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:53:53" (1/3) ... [2023-12-02 16:53:57,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b3b679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:53:57, skipping insertion in model container [2023-12-02 16:53:57,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:53:55" (2/3) ... [2023-12-02 16:53:57,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b3b679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:53:57, skipping insertion in model container [2023-12-02 16:53:57,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:53:57" (3/3) ... [2023-12-02 16:53:57,111 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_45_bad.i [2023-12-02 16:53:57,126 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:53:57,126 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 16:53:57,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:53:57,167 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=FINITE_AUTOMATA, 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;@28d90367, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:53:57,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 16:53:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-12-02 16:53:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 16:53:57,177 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:53:57,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:53:57,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 16:53:57,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:53:57,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1302384734, now seen corresponding path program 1 times [2023-12-02 16:53:57,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:53:57,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662971846] [2023-12-02 16:53:57,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:53:57,194 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 [2023-12-02 16:53:57,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:53:57,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 16:53:57,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9e2b4d9-c893-4ce2-af1f-f018de87c3a2/bin/utaipan-verify-nQ1chXbOIh/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