./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a009c64e7dd57f671384baecee7f787fe9429aa21e8853315cbf5fb78e9733f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:24:05,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:24:05,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-12-02 17:24:05,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:24:05,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:24:05,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:24:05,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:24:05,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:24:05,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:24:05,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:24:05,843 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:24:05,844 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:24:05,844 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:24:05,845 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:24:05,845 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:24:05,846 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:24:05,846 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:24:05,847 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:24:05,847 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:24:05,848 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:24:05,849 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:24:05,849 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:24:05,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:24:05,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:24:05,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:24:05,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:24:05,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:24:05,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:24:05,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:24:05,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:24:05,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:24:05,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:24:05,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:24:05,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:24:05,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:24:05,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:24:05,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:24:05,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:24:05,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:24:05,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:24:05,856 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:24:05,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:24:05,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:24:05,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:24:05,857 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:24:05,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:24:05,858 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_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a009c64e7dd57f671384baecee7f787fe9429aa21e8853315cbf5fb78e9733f [2023-12-02 17:24:06,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:24:06,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:24:06,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:24:06,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:24:06,108 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:24:06,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_18_bad.i [2023-12-02 17:24:08,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:24:09,066 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:24:09,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_18_bad.i [2023-12-02 17:24:09,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/data/6e209f153/8bba15c22cb04a84bccf8c7dfac00a20/FLAG22137341c [2023-12-02 17:24:09,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/data/6e209f153/8bba15c22cb04a84bccf8c7dfac00a20 [2023-12-02 17:24:09,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:24:09,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:24:09,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:24:09,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:24:09,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:24:09,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:24:09" (1/1) ... [2023-12-02 17:24:09,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ea1a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:09, skipping insertion in model container [2023-12-02 17:24:09,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:24:09" (1/1) ... [2023-12-02 17:24:09,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:24:09,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:24:09,841 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:24:09,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:24:10,086 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:24:10,086 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:24:10,086 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:24:10,086 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:24:10,093 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:24:10,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10 WrapperNode [2023-12-02 17:24:10,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:24:10,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:24:10,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:24:10,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:24:10,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,149 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-12-02 17:24:10,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:24:10,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:24:10,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:24:10,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:24:10,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:24:10,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:24:10,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:24:10,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:24:10,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (1/1) ... [2023-12-02 17:24:10,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:24:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:24:10,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:24:10,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:24:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 17:24:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 17:24:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:24:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:24:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:24:10,224 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 17:24:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:24:10,343 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:24:10,345 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:24:10,431 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:24:10,464 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:24:10,464 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 17:24:10,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:10 BoogieIcfgContainer [2023-12-02 17:24:10,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:24:10,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:24:10,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:24:10,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:24:10,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:24:09" (1/3) ... [2023-12-02 17:24:10,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1ad588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:24:10, skipping insertion in model container [2023-12-02 17:24:10,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:10" (2/3) ... [2023-12-02 17:24:10,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1ad588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:24:10, skipping insertion in model container [2023-12-02 17:24:10,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:10" (3/3) ... [2023-12-02 17:24:10,474 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_18_bad.i [2023-12-02 17:24:10,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:24:10,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 17:24:10,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:24:10,532 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;@79fef3e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:24:10,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 17:24:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 17:24:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 17:24:10,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:24:10,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 17:24:10,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 17:24:10,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:24:10,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1860299228, now seen corresponding path program 1 times [2023-12-02 17:24:10,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:24:10,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745301203] [2023-12-02 17:24:10,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:24:10,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:24:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:24:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:24:10,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:24:10,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745301203] [2023-12-02 17:24:10,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745301203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:24:10,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:24:10,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:24:10,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919614687] [2023-12-02 17:24:10,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:24:10,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:24:10,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:24:10,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:24:10,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:24:10,798 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:24:10,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:24:10,822 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2023-12-02 17:24:10,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:24:10,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2023-12-02 17:24:10,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:24:10,828 INFO L225 Difference]: With dead ends: 14 [2023-12-02 17:24:10,828 INFO L226 Difference]: Without dead ends: 8 [2023-12-02 17:24:10,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:24:10,835 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:24:10,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:24:10,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-12-02 17:24:10,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-12-02 17:24:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:24:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-12-02 17:24:10,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-12-02 17:24:10,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:24:10,858 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-12-02 17:24:10,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:24:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-12-02 17:24:10,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 17:24:10,859 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:24:10,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:24:10,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:24:10,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 17:24:10,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:24:10,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1834701269, now seen corresponding path program 1 times [2023-12-02 17:24:10,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:24:10,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003207771] [2023-12-02 17:24:10,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:24:10,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:24:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:24:10,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:24:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:24:10,916 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:24:10,917 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:24:10,918 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 17:24:10,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 17:24:10,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 17:24:10,922 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 17:24:10,924 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:24:10,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 17:24:10,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:24:10 BoogieIcfgContainer [2023-12-02 17:24:10,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:24:10,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:24:10,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:24:10,944 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:24:10,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:10" (3/4) ... [2023-12-02 17:24:10,947 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:24:10,948 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:24:10,948 INFO L158 Benchmark]: Toolchain (without parser) took 1845.21ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 67.5MB in the end (delta: 41.1MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-12-02 17:24:10,949 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:24:10,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 989.78ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 114.6MB in the end (delta: -6.0MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-12-02 17:24:10,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.76ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 111.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:24:10,950 INFO L158 Benchmark]: Boogie Preprocessor took 19.91ms. Allocated memory is still 159.4MB. Free memory was 111.4MB in the beginning and 109.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:24:10,951 INFO L158 Benchmark]: RCFGBuilder took 295.36ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 96.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:24:10,951 INFO L158 Benchmark]: TraceAbstraction took 475.52ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 67.5MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 17:24:10,952 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 159.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:24:10,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 989.78ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 114.6MB in the end (delta: -6.0MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.76ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 111.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.91ms. Allocated memory is still 159.4MB. Free memory was 111.4MB in the beginning and 109.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.36ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 96.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 475.52ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 67.5MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 159.4MB. Free memory is still 67.5MB. 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~nondet100 - 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: 1558]: 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 1566. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_max_preinc_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = 0x7fffffff 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] [L1558] ++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] - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 17:24:10,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a009c64e7dd57f671384baecee7f787fe9429aa21e8853315cbf5fb78e9733f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:24:12,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:24:13,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-12-02 17:24:13,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:24:13,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:24:13,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:24:13,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:24:13,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:24:13,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:24:13,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:24:13,054 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:24:13,054 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:24:13,055 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:24:13,055 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:24:13,056 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:24:13,056 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:24:13,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:24:13,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:24:13,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:24:13,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:24:13,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:24:13,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:24:13,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:24:13,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:24:13,061 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 17:24:13,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:24:13,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:24:13,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:24:13,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:24:13,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:24:13,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:24:13,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:24:13,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:24:13,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:24:13,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:24:13,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:24:13,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:24:13,066 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:24:13,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:24:13,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:24:13,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:24:13,067 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:24:13,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:24:13,067 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_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a009c64e7dd57f671384baecee7f787fe9429aa21e8853315cbf5fb78e9733f [2023-12-02 17:24:13,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:24:13,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:24:13,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:24:13,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:24:13,412 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:24:13,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_18_bad.i [2023-12-02 17:24:18,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:24:18,531 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:24:18,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_18_bad.i [2023-12-02 17:24:18,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/data/f548edcbb/755f96fa259d44b5916748cc3caa2c5f/FLAG456e2e55c [2023-12-02 17:24:18,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/data/f548edcbb/755f96fa259d44b5916748cc3caa2c5f [2023-12-02 17:24:18,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:24:18,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:24:18,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:24:18,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:24:18,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:24:18,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:24:18" (1/1) ... [2023-12-02 17:24:18,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10da225e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:18, skipping insertion in model container [2023-12-02 17:24:18,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:24:18" (1/1) ... [2023-12-02 17:24:18,643 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:24:19,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:24:19,481 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:24:19,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:24:19,704 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:24:19,704 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:24:19,704 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:24:19,704 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:24:19,712 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:24:19,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19 WrapperNode [2023-12-02 17:24:19,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:24:19,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:24:19,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:24:19,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:24:19,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,765 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-12-02 17:24:19,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:24:19,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:24:19,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:24:19,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:24:19,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:24:19,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:24:19,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:24:19,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:24:19,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (1/1) ... [2023-12-02 17:24:19,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:24:19,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:24:19,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:24:19,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:24:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 17:24:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 17:24:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:24:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:24:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:24:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:24:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 17:24:19,995 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:24:19,997 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:24:20,094 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:24:20,131 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:24:20,131 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 17:24:20,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:20 BoogieIcfgContainer [2023-12-02 17:24:20,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:24:20,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:24:20,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:24:20,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:24:20,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:24:18" (1/3) ... [2023-12-02 17:24:20,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abfa219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:24:20, skipping insertion in model container [2023-12-02 17:24:20,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:19" (2/3) ... [2023-12-02 17:24:20,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abfa219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:24:20, skipping insertion in model container [2023-12-02 17:24:20,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:20" (3/3) ... [2023-12-02 17:24:20,140 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_18_bad.i [2023-12-02 17:24:20,155 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:24:20,156 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 17:24:20,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:24:20,199 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;@1b6b9dbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:24:20,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 17:24:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 17:24:20,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 17:24:20,209 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:24:20,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:24:20,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 17:24:20,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:24:20,214 INFO L85 PathProgramCache]: Analyzing trace with hash -158476159, now seen corresponding path program 1 times [2023-12-02 17:24:20,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:24:20,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499897077] [2023-12-02 17:24:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:24:20,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:24:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:24:20,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 17:24:20,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 17:24:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:24:20,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 17:24:20,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:24:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:24:20,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:24:20,345 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:24:20,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499897077] [2023-12-02 17:24:20,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499897077] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:24:20,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:24:20,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 17:24:20,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968070086] [2023-12-02 17:24:20,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:24:20,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:24:20,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:24:20,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:24:20,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:24:20,382 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:24:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:24:20,407 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-12-02 17:24:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:24:20,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 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) Word has length 8 [2023-12-02 17:24:20,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:24:20,415 INFO L225 Difference]: With dead ends: 14 [2023-12-02 17:24:20,415 INFO L226 Difference]: Without dead ends: 10 [2023-12-02 17:24:20,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:24:20,420 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:24:20,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:24:20,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-12-02 17:24:20,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-12-02 17:24:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-12-02 17:24:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-12-02 17:24:20,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-12-02 17:24:20,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:24:20,447 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-12-02 17:24:20,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:24:20,447 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-12-02 17:24:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 17:24:20,448 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:24:20,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:24:20,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:24:20,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:24:20,649 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 17:24:20,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:24:20,650 INFO L85 PathProgramCache]: Analyzing trace with hash -617793584, now seen corresponding path program 1 times [2023-12-02 17:24:20,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:24:20,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631274765] [2023-12-02 17:24:20,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:24:20,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:24:20,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:24:20,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 17:24:20,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 17:24:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:24:20,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:24:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:24:20,762 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-12-02 17:24:20,763 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:24:20,765 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 17:24:20,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 17:24:20,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 17:24:20,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 17:24:20,970 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 17:24:20,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:24:20,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-02 17:24:20,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:24:20 BoogieIcfgContainer [2023-12-02 17:24:20,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:24:20,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:24:20,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:24:20,997 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:24:20,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:20" (3/4) ... [2023-12-02 17:24:21,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:24:21,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:24:21,002 INFO L158 Benchmark]: Toolchain (without parser) took 2428.19ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 63.3MB in the beginning and 65.2MB in the end (delta: -1.9MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-12-02 17:24:21,002 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:24:21,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1138.45ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 43.5MB in the end (delta: 19.7MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-12-02 17:24:21,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.03ms. Allocated memory is still 90.2MB. Free memory was 43.5MB in the beginning and 40.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:24:21,004 INFO L158 Benchmark]: Boogie Preprocessor took 25.46ms. Allocated memory is still 90.2MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:24:21,004 INFO L158 Benchmark]: RCFGBuilder took 339.95ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 38.4MB in the beginning and 94.6MB in the end (delta: -56.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-12-02 17:24:21,005 INFO L158 Benchmark]: TraceAbstraction took 861.82ms. Allocated memory is still 134.2MB. Free memory was 93.9MB in the beginning and 66.0MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 17:24:21,006 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 134.2MB. Free memory was 66.0MB in the beginning and 65.2MB in the end (delta: 733.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:24:21,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1138.45ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 43.5MB in the end (delta: 19.7MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.03ms. Allocated memory is still 90.2MB. Free memory was 43.5MB in the beginning and 40.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.46ms. Allocated memory is still 90.2MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.95ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 38.4MB in the beginning and 94.6MB in the end (delta: -56.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * TraceAbstraction took 861.82ms. Allocated memory is still 134.2MB. Free memory was 93.9MB in the beginning and 66.0MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 134.2MB. Free memory was 66.0MB in the beginning and 65.2MB in the end (delta: 733.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - 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: 1558]: 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 1566. 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); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [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] [L1567] CALL CWE190_Integer_Overflow__int_max_preinc_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = 0x7fffffff 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] [L1558] ++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] - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 17:24:21,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6409a4e8-b90a-43d7-9404-f7c6b1b442bd/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample