./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/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_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/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_a201c223-64e2-4b39-b9bc-6f273682afef/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 d47f6dac64bf75532e623385b50f05b0196afde913920b2c0aac5ee1362f37bc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:14:53,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:14:53,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 08:14:53,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:14:53,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:14:53,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:14:53,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:14:53,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:14:53,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:14:53,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:14:53,563 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:14:53,563 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:14:53,564 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:14:53,564 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 08:14:53,565 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:14:53,565 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:14:53,566 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 08:14:53,566 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 08:14:53,567 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:14:53,568 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 08:14:53,568 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 08:14:53,569 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 08:14:53,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:14:53,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:14:53,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 08:14:53,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:14:53,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:14:53,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:14:53,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:14:53,573 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 08:14:53,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 08:14:53,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:14:53,574 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:14:53,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:14:53,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:14:53,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:14:53,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:14:53,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:14:53,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:14:53,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:14:53,575 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 08:14:53,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 08:14:53,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:14:53,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:14:53,576 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:14:53,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:14:53,577 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_a201c223-64e2-4b39-b9bc-6f273682afef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d47f6dac64bf75532e623385b50f05b0196afde913920b2c0aac5ee1362f37bc [2023-12-02 08:14:53,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:14:53,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:14:53,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:14:53,823 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:14:53,825 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:14:53,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_21_bad.i [2023-12-02 08:14:56,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:14:56,998 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:14:56,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_21_bad.i [2023-12-02 08:14:57,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/data/3df3e2465/3bea8fa1ae3a451b95a34eb682b06d38/FLAG66985d808 [2023-12-02 08:14:57,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/data/3df3e2465/3bea8fa1ae3a451b95a34eb682b06d38 [2023-12-02 08:14:57,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:14:57,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:14:57,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:14:57,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:14:57,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:14:57,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:14:57" (1/1) ... [2023-12-02 08:14:57,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f870518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:57, skipping insertion in model container [2023-12-02 08:14:57,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:14:57" (1/1) ... [2023-12-02 08:14:57,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:14:58,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:14:58,660 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:14:58,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:14:59,126 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:14:59,126 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:14:59,126 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:14:59,126 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:14:59,134 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:14:59,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59 WrapperNode [2023-12-02 08:14:59,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:14:59,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:14:59,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:14:59,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:14:59,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,204 INFO L138 Inliner]: procedures = 937, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2023-12-02 08:14:59,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:14:59,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:14:59,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:14:59,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:14:59,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:14:59,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:14:59,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:14:59,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:14:59,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (1/1) ... [2023-12-02 08:14:59,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:14:59,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:14:59,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:14:59,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:14:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:14:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:14:59,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:14:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 08:14:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 08:14:59,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 08:14:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 08:14:59,439 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:14:59,441 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:14:59,626 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:14:59,814 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:14:59,814 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 08:14:59,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:14:59 BoogieIcfgContainer [2023-12-02 08:14:59,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:14:59,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:14:59,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:14:59,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:14:59,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:14:57" (1/3) ... [2023-12-02 08:14:59,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c542cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:14:59, skipping insertion in model container [2023-12-02 08:14:59,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:59" (2/3) ... [2023-12-02 08:14:59,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c542cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:14:59, skipping insertion in model container [2023-12-02 08:14:59,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:14:59" (3/3) ... [2023-12-02 08:14:59,823 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_21_bad.i [2023-12-02 08:14:59,839 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:14:59,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 08:14:59,878 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:14:59,883 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;@3b286a5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:14:59,884 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 08:14:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 08:14:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 08:14:59,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:14:59,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:14:59,895 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 08:14:59,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:14:59,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2131749908, now seen corresponding path program 1 times [2023-12-02 08:14:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:14:59,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520162001] [2023-12-02 08:14:59,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:14:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:15:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 08:15:00,133 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 08:15:00,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 08:15:00,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520162001] [2023-12-02 08:15:00,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520162001] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 08:15:00,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 08:15:00,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 08:15:00,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581246455] [2023-12-02 08:15:00,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 08:15:00,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 08:15:00,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 08:15:00,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 08:15:00,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 08:15:00,172 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 5.0) internal successors, (5), 2 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 08:15:00,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 08:15:00,208 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-12-02 08:15:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 08:15:00,211 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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) Word has length 7 [2023-12-02 08:15:00,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 08:15:00,217 INFO L225 Difference]: With dead ends: 14 [2023-12-02 08:15:00,218 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 08:15:00,221 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 08:15:00,224 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 08:15:00,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 08:15:00,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 08:15:00,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-12-02 08:15:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 08:15:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-12-02 08:15:00,259 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2023-12-02 08:15:00,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 08:15:00,259 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-12-02 08:15:00,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 08:15:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-12-02 08:15:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 08:15:00,260 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:15:00,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:15:00,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 08:15:00,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 08:15:00,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:15:00,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1659737584, now seen corresponding path program 1 times [2023-12-02 08:15:00,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 08:15:00,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099691720] [2023-12-02 08:15:00,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:15:00,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 08:15:00,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 08:15:00,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6965394] [2023-12-02 08:15:00,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:15:00,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:15:00,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:15:00,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 08:15:00,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 08:15:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 08:15:00,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 08:15:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 08:15:00,508 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 08:15:00,509 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 08:15:00,510 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 08:15:00,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 08:15:00,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 08:15:00,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 08:15:00,716 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 08:15:00,719 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 08:15:00,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet195 [2023-12-02 08:15:00,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:15:00 BoogieIcfgContainer [2023-12-02 08:15:00,742 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 08:15:00,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 08:15:00,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 08:15:00,742 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 08:15:00,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:14:59" (3/4) ... [2023-12-02 08:15:00,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 08:15:00,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 08:15:00,746 INFO L158 Benchmark]: Toolchain (without parser) took 3532.01ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 105.6MB in the beginning and 86.0MB in the end (delta: 19.6MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2023-12-02 08:15:00,746 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 08:15:00,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1920.09ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 105.2MB in the beginning and 91.8MB in the end (delta: 13.3MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2023-12-02 08:15:00,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.40ms. Allocated memory is still 172.0MB. Free memory was 91.8MB in the beginning and 87.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 08:15:00,748 INFO L158 Benchmark]: Boogie Preprocessor took 23.74ms. Allocated memory is still 172.0MB. 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 08:15:00,748 INFO L158 Benchmark]: RCFGBuilder took 587.12ms. Allocated memory is still 172.0MB. Free memory was 85.5MB in the beginning and 130.1MB in the end (delta: -44.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-12-02 08:15:00,749 INFO L158 Benchmark]: TraceAbstraction took 923.58ms. Allocated memory is still 172.0MB. Free memory was 130.1MB in the beginning and 87.1MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 08:15:00,749 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 172.0MB. Free memory was 87.1MB in the beginning and 86.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 08:15:00,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1920.09ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 105.2MB in the beginning and 91.8MB in the end (delta: 13.3MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.40ms. Allocated memory is still 172.0MB. Free memory was 91.8MB in the beginning and 87.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.74ms. Allocated memory is still 172.0MB. 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 587.12ms. Allocated memory is still 172.0MB. Free memory was 85.5MB in the beginning and 130.1MB in the end (delta: -44.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * TraceAbstraction took 923.58ms. Allocated memory is still 172.0MB. Free memory was 130.1MB in the beginning and 87.1MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 172.0MB. Free memory was 87.1MB in the beginning and 86.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 1838]: 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 badStatic = 0; [L1854] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, 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 [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_rand_square_21_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] badStatic = 1 [L1849] CALL badSink(data) [L1835] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, badStatic=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1838]: 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, 14 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, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 6 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=14occurred 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 08:15:00,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/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_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/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_a201c223-64e2-4b39-b9bc-6f273682afef/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 d47f6dac64bf75532e623385b50f05b0196afde913920b2c0aac5ee1362f37bc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 08:15:02,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 08:15:02,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-12-02 08:15:02,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 08:15:02,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 08:15:02,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 08:15:02,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 08:15:02,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 08:15:02,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 08:15:02,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 08:15:02,837 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 08:15:02,838 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 08:15:02,838 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 08:15:02,839 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 08:15:02,839 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 08:15:02,840 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 08:15:02,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 08:15:02,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 08:15:02,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 08:15:02,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 08:15:02,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 08:15:02,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 08:15:02,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 08:15:02,845 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 08:15:02,845 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 08:15:02,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 08:15:02,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 08:15:02,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 08:15:02,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 08:15:02,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 08:15:02,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 08:15:02,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 08:15:02,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 08:15:02,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:15:02,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 08:15:02,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 08:15:02,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 08:15:02,850 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 08:15:02,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 08:15:02,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 08:15:02,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 08:15:02,851 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 08:15:02,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 08:15:02,851 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_a201c223-64e2-4b39-b9bc-6f273682afef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d47f6dac64bf75532e623385b50f05b0196afde913920b2c0aac5ee1362f37bc [2023-12-02 08:15:03,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 08:15:03,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 08:15:03,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 08:15:03,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 08:15:03,154 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 08:15:03,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_21_bad.i [2023-12-02 08:15:05,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 08:15:06,318 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 08:15:06,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_21_bad.i [2023-12-02 08:15:06,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/data/5712eff77/7a43cbe9bef24307aea66f2e19f1a365/FLAG9008ef93f [2023-12-02 08:15:06,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/data/5712eff77/7a43cbe9bef24307aea66f2e19f1a365 [2023-12-02 08:15:06,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 08:15:06,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 08:15:06,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 08:15:06,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 08:15:06,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 08:15:06,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:15:06" (1/1) ... [2023-12-02 08:15:06,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5813e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:06, skipping insertion in model container [2023-12-02 08:15:06,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:15:06" (1/1) ... [2023-12-02 08:15:06,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 08:15:07,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:15:07,868 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 08:15:07,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 08:15:08,283 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:15:08,283 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:15:08,284 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:15:08,284 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 08:15:08,290 INFO L206 MainTranslator]: Completed translation [2023-12-02 08:15:08,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08 WrapperNode [2023-12-02 08:15:08,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 08:15:08,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 08:15:08,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 08:15:08,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 08:15:08,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,362 INFO L138 Inliner]: procedures = 942, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-12-02 08:15:08,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 08:15:08,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 08:15:08,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 08:15:08,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 08:15:08,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 08:15:08,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 08:15:08,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 08:15:08,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 08:15:08,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (1/1) ... [2023-12-02 08:15:08,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 08:15:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 08:15:08,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 08:15:08,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 08:15:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 08:15:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 08:15:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 08:15:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 08:15:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 08:15:08,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 08:15:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 08:15:08,650 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 08:15:08,653 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 08:15:11,259 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 08:15:11,299 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 08:15:11,299 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 08:15:11,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:15:11 BoogieIcfgContainer [2023-12-02 08:15:11,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 08:15:11,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 08:15:11,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 08:15:11,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 08:15:11,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:15:06" (1/3) ... [2023-12-02 08:15:11,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@231b8f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:15:11, skipping insertion in model container [2023-12-02 08:15:11,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:15:08" (2/3) ... [2023-12-02 08:15:11,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@231b8f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:15:11, skipping insertion in model container [2023-12-02 08:15:11,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:15:11" (3/3) ... [2023-12-02 08:15:11,310 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_21_bad.i [2023-12-02 08:15:11,329 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 08:15:11,329 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 08:15:11,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 08:15:11,380 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;@34cb0cde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 08:15:11,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 08:15:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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 08:15:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 08:15:11,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 08:15:11,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 08:15:11,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 08:15:11,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 08:15:11,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1341502318, now seen corresponding path program 1 times [2023-12-02 08:15:11,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 08:15:11,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634823691] [2023-12-02 08:15:11,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 08:15:11,413 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 08:15:11,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 08:15:11,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/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 08:15:11,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a201c223-64e2-4b39-b9bc-6f273682afef/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