./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_05_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_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91 --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 863d6ff320ba9533c13a15494d8d832737dc2fe1fe03675e4776d18ed3665e0a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:19:01,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:19:01,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:19:01,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:19:01,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:19:01,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:19:01,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:19:01,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:19:01,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:19:01,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:19:01,666 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:19:01,666 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:19:01,666 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:19:01,668 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:19:01,669 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:19:01,669 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:19:01,670 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:19:01,670 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:19:01,671 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:19:01,671 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:19:01,672 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:19:01,672 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:19:01,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:19:01,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:19:01,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:19:01,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:19:01,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:19:01,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:19:01,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:19:01,677 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:19:01,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:19:01,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:19:01,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:19:01,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:19:01,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:19:01,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:19:01,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:01,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:19:01,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:19:01,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:19:01,688 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:19:01,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:19:01,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:19:01,689 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:19:01,690 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:19:01,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:19:01,690 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_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 863d6ff320ba9533c13a15494d8d832737dc2fe1fe03675e4776d18ed3665e0a [2023-11-24 23:19:02,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:19:02,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:19:02,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:19:02,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:19:02,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:19:02,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_05_bad.i [2023-11-24 23:19:05,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:19:05,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:19:05,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_05_bad.i [2023-11-24 23:19:05,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/data/8767443ba/0e096c3af77048e68edc384245754d90/FLAG1d1e65f10 [2023-11-24 23:19:05,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/data/8767443ba/0e096c3af77048e68edc384245754d90 [2023-11-24 23:19:05,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:19:05,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:19:05,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:05,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:19:05,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:19:05,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:05" (1/1) ... [2023-11-24 23:19:05,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64992d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:05, skipping insertion in model container [2023-11-24 23:19:05,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:05" (1/1) ... [2023-11-24 23:19:05,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:19:06,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:06,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:19:07,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:07,196 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:19:07,197 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:19:07,197 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:19:07,197 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:19:07,206 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:19:07,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07 WrapperNode [2023-11-24 23:19:07,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:07,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:07,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:19:07,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:19:07,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,272 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-24 23:19:07,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:07,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:19:07,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:19:07,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:19:07,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:19:07,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:19:07,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:19:07,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:19:07,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (1/1) ... [2023-11-24 23:19:07,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:19:07,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:19:07,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:19:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:19:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:19:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:19:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:19:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:19:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:19:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:19:07,621 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:19:07,623 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:19:07,850 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:19:08,148 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:19:08,148 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:19:08,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:08 BoogieIcfgContainer [2023-11-24 23:19:08,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:19:08,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:19:08,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:19:08,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:19:08,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:19:05" (1/3) ... [2023-11-24 23:19:08,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198bdcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:08, skipping insertion in model container [2023-11-24 23:19:08,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:07" (2/3) ... [2023-11-24 23:19:08,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198bdcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:08, skipping insertion in model container [2023-11-24 23:19:08,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:08" (3/3) ... [2023-11-24 23:19:08,166 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_05_bad.i [2023-11-24 23:19:08,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:19:08,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:19:08,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:19:08,245 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;@61d7f5a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:19:08,245 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:19:08,249 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) [2023-11-24 23:19:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:19:08,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:08,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:08,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:19:08,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:08,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1536599665, now seen corresponding path program 1 times [2023-11-24 23:19:08,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:19:08,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016370891] [2023-11-24 23:19:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:08,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:19:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:19:09,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:19:09,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016370891] [2023-11-24 23:19:09,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016370891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:19:09,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:19:09,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:19:09,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848252355] [2023-11-24 23:19:09,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:19:09,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:19:09,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:19:09,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:19:09,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:19:09,364 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:19:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:19:09,448 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-24 23:19:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:19:09,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2023-11-24 23:19:09,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:19:09,458 INFO L225 Difference]: With dead ends: 14 [2023-11-24 23:19:09,459 INFO L226 Difference]: Without dead ends: 9 [2023-11-24 23:19:09,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:19:09,468 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:19:09,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:19:09,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-24 23:19:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-24 23:19:09,503 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) [2023-11-24 23:19:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-11-24 23:19:09,506 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2023-11-24 23:19:09,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:19:09,507 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-11-24 23:19:09,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:19:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-24 23:19:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:19:09,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:09,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:09,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:19:09,510 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:19:09,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash 389949489, now seen corresponding path program 1 times [2023-11-24 23:19:09,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:19:09,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664136956] [2023-11-24 23:19:09,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:09,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:19:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:19:09,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:19:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:19:09,780 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:19:09,781 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:19:09,783 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:19:09,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:19:09,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:19:09,789 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:19:09,793 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:19:09,817 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-11-24 23:19:09,820 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-24 23:19:09,821 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated [2023-11-24 23:19:09,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:19:09 BoogieIcfgContainer [2023-11-24 23:19:09,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:19:09,838 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:19:09,838 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:19:09,838 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:19:09,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:08" (3/4) ... [2023-11-24 23:19:09,841 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:19:09,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:19:09,843 INFO L158 Benchmark]: Toolchain (without parser) took 4202.69ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 131.6MB in the beginning and 94.7MB in the end (delta: 36.8MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2023-11-24 23:19:09,843 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:09,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1564.84ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 124.2MB in the end (delta: 7.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:19:09,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.25ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 121.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:19:09,851 INFO L158 Benchmark]: Boogie Preprocessor took 39.16ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:19:09,852 INFO L158 Benchmark]: RCFGBuilder took 838.04ms. Allocated memory is still 165.7MB. Free memory was 119.0MB in the beginning and 94.0MB in the end (delta: 25.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-24 23:19:09,853 INFO L158 Benchmark]: TraceAbstraction took 1682.43ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 94.0MB in the beginning and 94.7MB in the end (delta: -760.3kB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-11-24 23:19:09,853 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 199.2MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:09,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1564.84ms. Allocated memory is still 165.7MB. Free memory was 131.6MB in the beginning and 124.2MB in the end (delta: 7.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.25ms. Allocated memory is still 165.7MB. Free memory was 124.2MB in the beginning and 121.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.16ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 838.04ms. Allocated memory is still 165.7MB. Free memory was 119.0MB in the beginning and 94.0MB in the end (delta: 25.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1682.43ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 94.0MB in the beginning and 94.7MB in the end (delta: -760.3kB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 199.2MB. Free memory is still 94.7MB. 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~nondet112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated - 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: 1561]: 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 1570, overapproximation of bitwiseOr at line 1556. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_postinc_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) [L1561] data++ VAL [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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1561]: 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: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:19:09,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91 --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 863d6ff320ba9533c13a15494d8d832737dc2fe1fe03675e4776d18ed3665e0a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:19:12,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:19:12,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:19:12,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:19:12,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:19:12,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:19:12,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:19:12,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:19:12,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:19:12,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:19:12,700 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:19:12,701 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:19:12,701 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:19:12,703 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:19:12,703 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:19:12,704 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:19:12,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:19:12,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:19:12,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:19:12,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:19:12,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:19:12,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:19:12,707 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:19:12,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:19:12,708 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:19:12,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:19:12,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:19:12,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:19:12,710 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:19:12,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:19:12,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:19:12,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:19:12,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:19:12,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:12,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:19:12,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:19:12,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:19:12,714 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:19:12,714 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:19:12,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:19:12,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:19:12,715 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:19:12,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:19:12,716 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_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 863d6ff320ba9533c13a15494d8d832737dc2fe1fe03675e4776d18ed3665e0a [2023-11-24 23:19:13,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:19:13,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:19:13,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:19:13,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:19:13,178 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:19:13,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_05_bad.i [2023-11-24 23:19:16,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:19:16,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:19:16,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_05_bad.i [2023-11-24 23:19:16,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/data/c3b2a7b2e/3ea562bad9834772bd60c61982047255/FLAGee87d93a6 [2023-11-24 23:19:16,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/data/c3b2a7b2e/3ea562bad9834772bd60c61982047255 [2023-11-24 23:19:16,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:19:16,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:19:16,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:16,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:19:16,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:19:16,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:16" (1/1) ... [2023-11-24 23:19:16,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cad25b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:16, skipping insertion in model container [2023-11-24 23:19:16,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:16" (1/1) ... [2023-11-24 23:19:16,961 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:19:18,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:18,085 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:19:18,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:19:18,352 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:19:18,352 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:19:18,353 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:19:18,353 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:19:18,361 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:19:18,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18 WrapperNode [2023-11-24 23:19:18,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:18,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:18,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:19:18,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:19:18,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,434 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-11-24 23:19:18,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:19:18,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:19:18,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:19:18,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:19:18,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:19:18,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:19:18,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:19:18,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:19:18,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (1/1) ... [2023-11-24 23:19:18,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:18,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:19:18,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:19:18,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:19:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:19:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:19:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:19:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:19:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:19:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:19:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:19:18,785 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:19:18,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:19:18,924 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:19:18,968 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:19:18,968 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:19:18,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:18 BoogieIcfgContainer [2023-11-24 23:19:18,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:19:18,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:19:18,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:19:18,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:19:18,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:19:16" (1/3) ... [2023-11-24 23:19:18,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d30969a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:18, skipping insertion in model container [2023-11-24 23:19:18,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:18" (2/3) ... [2023-11-24 23:19:18,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d30969a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:19:18, skipping insertion in model container [2023-11-24 23:19:18,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:18" (3/3) ... [2023-11-24 23:19:18,980 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_05_bad.i [2023-11-24 23:19:19,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:19:19,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:19:19,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:19:19,073 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;@108c7786, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:19:19,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:19:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:19:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:19:19,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:19,090 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:19,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:19:19,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:19,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2145058738, now seen corresponding path program 1 times [2023-11-24 23:19:19,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:19:19,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788664455] [2023-11-24 23:19:19,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:19,110 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:19,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:19:19,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:19:19,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:19:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:19,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:19:19,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:19:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:19:19,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:19:19,292 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:19:19,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788664455] [2023-11-24 23:19:19,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788664455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:19:19,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:19:19,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 23:19:19,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911205980] [2023-11-24 23:19:19,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:19:19,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:19:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:19:19,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:19:19,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:19:19,344 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 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 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:19:19,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:19:19,375 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2023-11-24 23:19:19,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:19:19,378 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2023-11-24 23:19:19,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:19:19,385 INFO L225 Difference]: With dead ends: 19 [2023-11-24 23:19:19,385 INFO L226 Difference]: Without dead ends: 14 [2023-11-24 23:19:19,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:19:19,392 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:19:19,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:19:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-24 23:19:19,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-24 23:19:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:19:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-11-24 23:19:19,435 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 10 [2023-11-24 23:19:19,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:19:19,436 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-24 23:19:19,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:19:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-24 23:19:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:19:19,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:19,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:19,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:19:19,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:19,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:19:19,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:19,647 INFO L85 PathProgramCache]: Analyzing trace with hash 2072311500, now seen corresponding path program 1 times [2023-11-24 23:19:19,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:19:19,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952573820] [2023-11-24 23:19:19,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:19,650 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:19,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:19:19,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:19:19,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:19:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:19:19,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:19:19,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:19:19,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:19:19,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:19:19,865 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:19:19,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952573820] [2023-11-24 23:19:19,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952573820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:19:19,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:19:19,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:19:19,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375297949] [2023-11-24 23:19:19,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:19:19,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:19:19,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:19:19,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:19:19,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:19:19,877 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:19:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:19:19,891 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-11-24 23:19:19,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:19:19,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-24 23:19:19,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:19:19,894 INFO L225 Difference]: With dead ends: 18 [2023-11-24 23:19:19,894 INFO L226 Difference]: Without dead ends: 14 [2023-11-24 23:19:19,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:19:19,898 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:19:19,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:19:19,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-24 23:19:19,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-24 23:19:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:19:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2023-11-24 23:19:19,908 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2023-11-24 23:19:19,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:19:19,909 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-11-24 23:19:19,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:19:19,909 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:19:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:19:19,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:19:19,911 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:19:19,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:19:20,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:20,122 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:19:20,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:19:20,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1640611663, now seen corresponding path program 1 times [2023-11-24 23:19:20,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:19:20,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630498074] [2023-11-24 23:19:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:19:20,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:20,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:19:20,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:19:20,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/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 (4)] Waiting until timeout for monitored process [2023-11-24 23:19:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:19:20,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:19:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:19:20,293 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:19:20,294 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:19:20,295 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:19:20,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:19:20,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/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 (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:19:20,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:19:20,512 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-24 23:19:20,516 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:19:20,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-11-24 23:19:20,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-24 23:19:20,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-24 23:19:20,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-24 23:19:20,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-24 23:19:20,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated [2023-11-24 23:19:20,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-11-24 23:19:20,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:19:20 BoogieIcfgContainer [2023-11-24 23:19:20,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:19:20,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:19:20,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:19:20,554 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:19:20,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:19:18" (3/4) ... [2023-11-24 23:19:20,556 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:19:20,558 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:19:20,559 INFO L158 Benchmark]: Toolchain (without parser) took 3706.96ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 59.9MB in the beginning and 64.0MB in the end (delta: -4.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-24 23:19:20,559 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:20,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1507.51ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 59.9MB in the beginning and 62.7MB in the end (delta: -2.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-24 23:19:20,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.72ms. Allocated memory is still 109.1MB. Free memory was 62.7MB in the beginning and 59.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:19:20,560 INFO L158 Benchmark]: Boogie Preprocessor took 37.71ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 57.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:19:20,561 INFO L158 Benchmark]: RCFGBuilder took 494.93ms. Allocated memory is still 109.1MB. Free memory was 57.5MB in the beginning and 72.1MB in the end (delta: -14.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-24 23:19:20,561 INFO L158 Benchmark]: TraceAbstraction took 1581.87ms. Allocated memory is still 109.1MB. Free memory was 70.9MB in the beginning and 64.7MB in the end (delta: 6.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-24 23:19:20,562 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 64.0MB in the end (delta: 627.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:20,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1507.51ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 59.9MB in the beginning and 62.7MB in the end (delta: -2.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.72ms. Allocated memory is still 109.1MB. Free memory was 62.7MB in the beginning and 59.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.71ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 57.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.93ms. Allocated memory is still 109.1MB. Free memory was 57.5MB in the beginning and 72.1MB in the end (delta: -14.6MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1581.87ms. Allocated memory is still 109.1MB. Free memory was 70.9MB in the beginning and 64.7MB in the end (delta: 6.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 64.0MB in the end (delta: 627.5kB). 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~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - 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: 1561]: 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 1570. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_postinc_05_bad() [L1552] int data; [L1553] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) [L1561] data++ VAL [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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1561]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 31 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, 31 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 87 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:19:20,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19405e7c-86a8-4a15-a990-1a42c1e6d4c4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample