./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_66_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_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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_199040c3-4307-448f-9e1f-975074a1bfec/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 4306e9d1e792bdf47a2327a4b1d48759a72c6bdea6a5e35261e6550c354c7494 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:47,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:48,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:58:48,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:48,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:48,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:48,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:48,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:48,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:48,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:48,105 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:48,106 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:48,106 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:48,107 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:48,108 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:48,108 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:48,109 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:48,109 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:48,110 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:48,110 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:48,111 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:48,112 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:48,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:48,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:48,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:48,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:48,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:48,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:48,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:48,115 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:58:48,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:58:48,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:48,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:48,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:48,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:48,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:48,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:48,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:48,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:48,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:48,118 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:48,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:48,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:48,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:48,120 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:48,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:48,120 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_199040c3-4307-448f-9e1f-975074a1bfec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4306e9d1e792bdf47a2327a4b1d48759a72c6bdea6a5e35261e6550c354c7494 [2023-11-24 23:58:48,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:48,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:48,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:48,441 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:48,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:48,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_66_bad.i [2023-11-24 23:58:51,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:51,909 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:51,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_66_bad.i [2023-11-24 23:58:51,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/data/ce210b2f4/eb95997f91a046119dfd2a2d9847cb05/FLAG0c98814ee [2023-11-24 23:58:51,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/data/ce210b2f4/eb95997f91a046119dfd2a2d9847cb05 [2023-11-24 23:58:51,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:51,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:51,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:51,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:51,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:51,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:51" (1/1) ... [2023-11-24 23:58:51,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b5800c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:51, skipping insertion in model container [2023-11-24 23:58:51,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:51" (1/1) ... [2023-11-24 23:58:52,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:52,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:52,969 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:53,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:53,284 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:53,285 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:53,285 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:53,285 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:53,293 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:53,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53 WrapperNode [2023-11-24 23:58:53,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:53,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:53,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:53,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:53,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,387 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2023-11-24 23:58:53,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:53,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:53,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:53,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:53,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:53,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:53,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:53,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:53,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (1/1) ... [2023-11-24 23:58:53,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:53,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:53,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:53,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:58:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:58:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:58:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:58:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:58:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:58:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:58:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:53,657 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:53,661 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:53,789 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:53,830 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:53,831 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:58:53,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:53 BoogieIcfgContainer [2023-11-24 23:58:53,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:53,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:53,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:53,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:53,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:51" (1/3) ... [2023-11-24 23:58:53,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b016862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:53, skipping insertion in model container [2023-11-24 23:58:53,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:53" (2/3) ... [2023-11-24 23:58:53,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b016862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:53, skipping insertion in model container [2023-11-24 23:58:53,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:53" (3/3) ... [2023-11-24 23:58:53,843 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_66_bad.i [2023-11-24 23:58:53,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:53,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:58:53,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:53,907 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;@1cee65f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:53,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:58:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-24 23:58:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:58:53,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:53,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-24 23:58:53,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:58:53,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2023-11-24 23:58:53,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:53,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199255906] [2023-11-24 23:58:53,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:53,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:54,522 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 23:58:54,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:54,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199255906] [2023-11-24 23:58:54,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199255906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:54,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:54,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:54,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468940735] [2023-11-24 23:58:54,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:54,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:54,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:54,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:54,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:54,583 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:58:54,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:54,616 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-24 23:58:54,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:54,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2023-11-24 23:58:54,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:54,625 INFO L225 Difference]: With dead ends: 12 [2023-11-24 23:58:54,626 INFO L226 Difference]: Without dead ends: 8 [2023-11-24 23:58:54,628 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 [2023-11-24 23:58:54,632 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:54,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:58:54,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-24 23:58:54,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-24 23:58:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:58:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-24 23:58:54,667 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-24 23:58:54,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:54,668 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-24 23:58:54,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:58:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-24 23:58:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:58:54,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:54,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:54,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:58:54,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:58:54,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:54,671 INFO L85 PathProgramCache]: Analyzing trace with hash 917590043, now seen corresponding path program 1 times [2023-11-24 23:58:54,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:54,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432588559] [2023-11-24 23:58:54,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:54,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:54,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:58:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:54,730 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:58:54,730 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:58:54,732 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:58:54,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:58:54,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:58:54,738 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:58:54,742 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:58:54,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:58:54,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:58:54 BoogieIcfgContainer [2023-11-24 23:58:54,766 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:58:54,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:58:54,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:58:54,772 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:58:54,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:53" (3/4) ... [2023-11-24 23:58:54,775 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:58:54,776 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:58:54,777 INFO L158 Benchmark]: Toolchain (without parser) took 2819.82ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 114.1MB in the beginning and 85.3MB in the end (delta: 28.8MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-11-24 23:58:54,778 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:54,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1335.30ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 113.8MB in the beginning and 150.0MB in the end (delta: -36.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2023-11-24 23:58:54,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.94ms. Allocated memory is still 186.6MB. Free memory was 150.0MB in the beginning and 147.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:54,786 INFO L158 Benchmark]: Boogie Preprocessor took 39.46ms. Allocated memory is still 186.6MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:54,786 INFO L158 Benchmark]: RCFGBuilder took 404.41ms. Allocated memory is still 186.6MB. Free memory was 145.1MB in the beginning and 130.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:58:54,787 INFO L158 Benchmark]: TraceAbstraction took 931.30ms. Allocated memory is still 186.6MB. Free memory was 130.4MB in the beginning and 86.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 23:58:54,787 INFO L158 Benchmark]: Witness Printer took 9.11ms. Allocated memory is still 186.6MB. Free memory was 86.4MB in the beginning and 85.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:54,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1335.30ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 113.8MB in the beginning and 150.0MB in the end (delta: -36.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.94ms. Allocated memory is still 186.6MB. Free memory was 150.0MB in the beginning and 147.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.46ms. Allocated memory is still 186.6MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.41ms. Allocated memory is still 186.6MB. Free memory was 145.1MB in the beginning and 130.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 931.30ms. Allocated memory is still 186.6MB. Free memory was 130.4MB in the beginning and 86.4MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 9.11ms. Allocated memory is still 186.6MB. Free memory was 86.4MB in the beginning and 85.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - 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: 1570]: 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 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_max_preinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] data = 0x7fffffff [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_max_preinc_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataArray={4:0}, dataArray={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 10 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:58:54,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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_199040c3-4307-448f-9e1f-975074a1bfec/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 4306e9d1e792bdf47a2327a4b1d48759a72c6bdea6a5e35261e6550c354c7494 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:57,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:57,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:58:57,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:57,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:57,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:57,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:57,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:57,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:57,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:57,665 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:57,665 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:57,666 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:57,667 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:57,668 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:57,668 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:57,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:57,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:57,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:57,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:57,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:57,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:57,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:58:57,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:58:57,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:58:57,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:58:57,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:58:57,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:57,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:57,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:57,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:58:57,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:57,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:57,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:57,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:57,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:57,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:57,679 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:58:57,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:58:57,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:57,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:57,681 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:57,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:57,682 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_199040c3-4307-448f-9e1f-975074a1bfec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4306e9d1e792bdf47a2327a4b1d48759a72c6bdea6a5e35261e6550c354c7494 [2023-11-24 23:58:58,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:58,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:58,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:58,061 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:58,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:58,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_66_bad.i [2023-11-24 23:59:01,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:59:01,720 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:59:01,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_66_bad.i [2023-11-24 23:59:01,747 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/data/043544af9/59ef08c9c445450fbc19b83100ee6d59/FLAGdfb13a73f [2023-11-24 23:59:01,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/data/043544af9/59ef08c9c445450fbc19b83100ee6d59 [2023-11-24 23:59:01,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:59:01,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:59:01,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:01,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:59:01,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:59:01,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75259050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:01, skipping insertion in model container [2023-11-24 23:59:01,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:01" (1/1) ... [2023-11-24 23:59:01,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:59:03,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:03,166 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:59:03,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:03,526 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:03,527 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:03,527 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:03,527 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:03,535 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:59:03,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03 WrapperNode [2023-11-24 23:59:03,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:03,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:03,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:59:03,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:59:03,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,599 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2023-11-24 23:59:03,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:03,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:59:03,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:59:03,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:59:03,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:59:03,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:59:03,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:59:03,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:59:03,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (1/1) ... [2023-11-24 23:59:03,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:03,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:59:03,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:59:03,730 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:59:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:59:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:59:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:59:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:59:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:59:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:59:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:59:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:59:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:59:03,735 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:59:03,897 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:59:03,901 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:59:04,115 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:59:04,188 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:59:04,192 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:59:04,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:04 BoogieIcfgContainer [2023-11-24 23:59:04,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:59:04,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:59:04,196 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:59:04,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:59:04,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:59:01" (1/3) ... [2023-11-24 23:59:04,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c71227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:04, skipping insertion in model container [2023-11-24 23:59:04,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:03" (2/3) ... [2023-11-24 23:59:04,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c71227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:04, skipping insertion in model container [2023-11-24 23:59:04,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:04" (3/3) ... [2023-11-24 23:59:04,205 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_66_bad.i [2023-11-24 23:59:04,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:59:04,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:59:04,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:59:04,291 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;@627084de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:59:04,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:59:04,296 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 23:59:04,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:59:04,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:04,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:04,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:59:04,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:04,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2023-11-24 23:59:04,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:04,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584515648] [2023-11-24 23:59:04,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:04,332 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 23:59:04,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:04,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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 23:59:04,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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 23:59:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:04,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:59:04,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:04,556 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 23:59:04,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:04,557 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:04,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584515648] [2023-11-24 23:59:04,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584515648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:04,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:04,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 23:59:04,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160213219] [2023-11-24 23:59:04,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:04,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:59:04,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:04,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:59:04,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:59:04,605 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) [2023-11-24 23:59:04,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:04,637 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-24 23:59:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:59:04,640 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 [2023-11-24 23:59:04,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:04,650 INFO L225 Difference]: With dead ends: 14 [2023-11-24 23:59:04,650 INFO L226 Difference]: Without dead ends: 10 [2023-11-24 23:59:04,653 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 [2023-11-24 23:59:04,657 INFO L413 NwaCegarLoop]: 11 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, 11 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 23:59:04,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:59:04,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-24 23:59:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-24 23:59:04,690 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) [2023-11-24 23:59:04,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-24 23:59:04,693 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-11-24 23:59:04,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:04,694 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-24 23:59:04,694 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) [2023-11-24 23:59:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-24 23:59:04,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:59:04,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:04,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:04,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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 23:59:04,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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 23:59:04,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:59:04,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:04,901 INFO L85 PathProgramCache]: Analyzing trace with hash -553204329, now seen corresponding path program 1 times [2023-11-24 23:59:04,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:04,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123595707] [2023-11-24 23:59:04,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:04,902 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 23:59:04,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:04,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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 23:59:04,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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 23:59:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:59:05,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:59:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:59:05,109 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:59:05,109 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:59:05,111 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:59:05,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:59:05,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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 23:59:05,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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 23:59:05,320 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:59:05,324 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:59:05,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:59:05,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:59:05 BoogieIcfgContainer [2023-11-24 23:59:05,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:59:05,351 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:59:05,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:59:05,352 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:59:05,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:04" (3/4) ... [2023-11-24 23:59:05,354 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:59:05,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:59:05,357 INFO L158 Benchmark]: Toolchain (without parser) took 3590.24ms. Allocated memory is still 121.6MB. Free memory was 93.5MB in the beginning and 58.9MB in the end (delta: 34.6MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2023-11-24 23:59:05,357 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:05,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1768.19ms. Allocated memory is still 121.6MB. Free memory was 93.5MB in the beginning and 60.1MB in the end (delta: 33.5MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-11-24 23:59:05,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.32ms. Allocated memory is still 121.6MB. Free memory was 60.1MB in the beginning and 57.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:59:05,359 INFO L158 Benchmark]: Boogie Preprocessor took 38.27ms. Allocated memory is still 121.6MB. Free memory was 57.4MB in the beginning and 55.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:59:05,360 INFO L158 Benchmark]: RCFGBuilder took 553.47ms. Allocated memory is still 121.6MB. Free memory was 55.3MB in the beginning and 91.2MB in the end (delta: -35.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-24 23:59:05,360 INFO L158 Benchmark]: TraceAbstraction took 1155.35ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 59.7MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 23:59:05,361 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 121.6MB. Free memory was 59.7MB in the beginning and 58.9MB in the end (delta: 810.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:05,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1768.19ms. Allocated memory is still 121.6MB. Free memory was 93.5MB in the beginning and 60.1MB in the end (delta: 33.5MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.32ms. Allocated memory is still 121.6MB. Free memory was 60.1MB in the beginning and 57.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.27ms. Allocated memory is still 121.6MB. Free memory was 57.4MB in the beginning and 55.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.47ms. Allocated memory is still 121.6MB. Free memory was 55.3MB in the beginning and 91.2MB in the end (delta: -35.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1155.35ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 59.7MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 121.6MB. Free memory was 59.7MB in the beginning and 58.9MB in the end (delta: 810.2kB). 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~nondet97 - 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: 1570]: 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 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_max_preinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] data = 0x7fffffff [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_max_preinc_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, dataArray={-9223372036854775808:0}, dataArray={-9223372036854775808:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 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 [2023-11-24 23:59:05,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199040c3-4307-448f-9e1f-975074a1bfec/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