./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 621f00568d56ed9aae99f4bc87e8d20d0cab78ee9c5bc225dd80085bad46c752 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:04:00,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:04:00,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:04:00,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:04:00,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:04:00,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:04:00,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:04:00,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:04:00,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:04:00,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:04:00,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:04:00,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:04:00,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:04:00,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:04:00,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:04:00,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:04:00,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:04:00,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:04:00,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:04:00,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:04:00,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:04:00,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:04:00,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:04:00,914 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:04:00,914 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:04:00,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:04:00,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:04:00,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:04:00,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:04:00,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:04:00,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:04:00,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:04:00,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:04:00,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:04:00,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:04:00,920 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:04:00,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:04:00,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:04:00,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:04:00,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:04:00,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:04:00,924 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 621f00568d56ed9aae99f4bc87e8d20d0cab78ee9c5bc225dd80085bad46c752 [2024-11-08 17:04:01,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:04:01,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:04:01,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:04:01,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:04:01,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:04:01,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_44_bad.i Unable to find full path for "g++" [2024-11-08 17:04:03,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:04:04,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:04:04,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_44_bad.i [2024-11-08 17:04:04,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/data/d467f1052/fa3ecfd68eff4a8bb4d6c61e761e72d1/FLAG3d3a46878 [2024-11-08 17:04:04,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/data/d467f1052/fa3ecfd68eff4a8bb4d6c61e761e72d1 [2024-11-08 17:04:04,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:04:04,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:04:04,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:04:04,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:04:04,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:04:04,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:04:04" (1/1) ... [2024-11-08 17:04:04,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ce47e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:04, skipping insertion in model container [2024-11-08 17:04:04,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:04:04" (1/1) ... [2024-11-08 17:04:04,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:04:05,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:04:05,605 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:04:05,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:04:05,953 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:04:05,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05 WrapperNode [2024-11-08 17:04:05,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:04:05,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:04:05,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:04:05,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:04:05,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,034 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-08 17:04:06,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:04:06,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:04:06,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:04:06,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:04:06,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,073 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:04:06,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:04:06,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:04:06,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:04:06,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:04:06,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (1/1) ... [2024-11-08 17:04:06,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:04:06,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:04:06,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:04:06,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:04:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:04:06,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:04:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:04:06,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:04:06,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:04:06,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:04:06,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:04:06,665 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-08 17:04:06,665 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:04:06,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:04:06,679 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:04:06,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:04:06 BoogieIcfgContainer [2024-11-08 17:04:06,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:04:06,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:04:06,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:04:06,687 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:04:06,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:04:04" (1/3) ... [2024-11-08 17:04:06,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762acdd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:04:06, skipping insertion in model container [2024-11-08 17:04:06,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:05" (2/3) ... [2024-11-08 17:04:06,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762acdd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:04:06, skipping insertion in model container [2024-11-08 17:04:06,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:04:06" (3/3) ... [2024-11-08 17:04:06,690 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_44_bad.i [2024-11-08 17:04:06,712 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:04:06,712 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:04:06,786 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:04:06,794 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@39b5b0fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:04:06,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:04:06,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 39 states have internal predecessors, (53), 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) [2024-11-08 17:04:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 17:04:06,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:04:06,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:04:06,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:04:06,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:04:06,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1758198524, now seen corresponding path program 1 times [2024-11-08 17:04:06,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:04:06,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667324734] [2024-11-08 17:04:06,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:04:06,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:04:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:04:07,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:04:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:04:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:04:07,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:04:07,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667324734] [2024-11-08 17:04:07,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667324734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:04:07,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:04:07,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:04:07,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037399555] [2024-11-08 17:04:07,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:04:07,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:04:07,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:04:07,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:04:07,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:04:07,547 INFO L87 Difference]: Start difference. First operand has 43 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 39 states have internal predecessors, (53), 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 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:04:07,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:04:07,596 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2024-11-08 17:04:07,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:04:07,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-08 17:04:07,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:04:07,609 INFO L225 Difference]: With dead ends: 43 [2024-11-08 17:04:07,610 INFO L226 Difference]: Without dead ends: 33 [2024-11-08 17:04:07,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:04:07,622 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:04:07,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 104 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:04:07,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-08 17:04:07,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-08 17:04:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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) [2024-11-08 17:04:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2024-11-08 17:04:07,671 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 15 [2024-11-08 17:04:07,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:04:07,673 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2024-11-08 17:04:07,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:04:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-08 17:04:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 17:04:07,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:04:07,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:04:07,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:04:07,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:04:07,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:04:07,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1330420479, now seen corresponding path program 1 times [2024-11-08 17:04:07,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:04:07,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348778163] [2024-11-08 17:04:07,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:04:07,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:04:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:04:08,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:04:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:04:08,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:04:08,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:04:08,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348778163] [2024-11-08 17:04:08,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348778163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:04:08,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:04:08,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:04:08,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763516562] [2024-11-08 17:04:08,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:04:08,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:04:08,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:04:08,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:04:08,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:04:08,232 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:04:08,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:04:08,314 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2024-11-08 17:04:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:04:08,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-08 17:04:08,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:04:08,317 INFO L225 Difference]: With dead ends: 38 [2024-11-08 17:04:08,317 INFO L226 Difference]: Without dead ends: 33 [2024-11-08 17:04:08,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:04:08,319 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:04:08,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 178 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:04:08,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-08 17:04:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-08 17:04:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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) [2024-11-08 17:04:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-11-08 17:04:08,332 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 16 [2024-11-08 17:04:08,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:04:08,333 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-11-08 17:04:08,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:04:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-08 17:04:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 17:04:08,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:04:08,334 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:04:08,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:04:08,335 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:04:08,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:04:08,336 INFO L85 PathProgramCache]: Analyzing trace with hash 672728423, now seen corresponding path program 1 times [2024-11-08 17:04:08,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:04:08,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386204096] [2024-11-08 17:04:08,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:04:08,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:04:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:04:08,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:04:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:04:08,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:04:08,463 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:04:08,464 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:04:08,467 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:04:08,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:04:08,472 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 17:04:08,514 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:04:08,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:04:08 BoogieIcfgContainer [2024-11-08 17:04:08,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:04:08,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:04:08,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:04:08,526 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:04:08,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:04:06" (3/4) ... [2024-11-08 17:04:08,530 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:04:08,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:04:08,534 INFO L158 Benchmark]: Toolchain (without parser) took 4306.46ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 139.0MB in the beginning and 134.3MB in the end (delta: 4.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-08 17:04:08,535 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:04:08,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1724.13ms. Allocated memory is still 169.9MB. Free memory was 139.0MB in the beginning and 128.9MB in the end (delta: 10.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-08 17:04:08,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.34ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 125.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:04:08,539 INFO L158 Benchmark]: Boogie Preprocessor took 57.39ms. Allocated memory is still 169.9MB. Free memory was 125.8MB in the beginning and 123.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:04:08,539 INFO L158 Benchmark]: RCFGBuilder took 586.61ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 107.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:04:08,540 INFO L158 Benchmark]: TraceAbstraction took 1842.68ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 107.0MB in the beginning and 134.3MB in the end (delta: -27.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-08 17:04:08,540 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 205.5MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:04:08,547 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 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1724.13ms. Allocated memory is still 169.9MB. Free memory was 139.0MB in the beginning and 128.9MB in the end (delta: 10.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.34ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 125.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.39ms. Allocated memory is still 169.9MB. Free memory was 125.8MB in the beginning and 123.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.61ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 107.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1842.68ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 107.0MB in the beginning and 134.3MB in the end (delta: -27.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 205.5MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 1551]: 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 1567. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET 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] [L1568] CALL CWE190_Integer_Overflow__int_rand_preinc_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 90 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:04:08,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 621f00568d56ed9aae99f4bc87e8d20d0cab78ee9c5bc225dd80085bad46c752 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:04:11,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:04:11,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 17:04:11,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:04:11,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:04:11,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 17:04:11,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:04:11,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:04:11,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:04:11,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:04:11,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:04:11,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:04:11,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:04:11,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:04:11,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:04:11,718 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:04:11,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:04:11,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:04:11,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:04:11,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:04:11,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:04:11,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:04:11,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:04:11,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:04:11,729 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:04:11,730 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:04:11,730 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:04:11,730 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:04:11,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:04:11,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:04:11,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:04:11,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:04:11,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:04:11,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:04:11,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:04:11,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:04:11,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:04:11,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:04:11,737 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:04:11,737 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:04:11,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:04:11,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:04:11,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:04:11,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:04:11,739 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 621f00568d56ed9aae99f4bc87e8d20d0cab78ee9c5bc225dd80085bad46c752 [2024-11-08 17:04:12,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:04:12,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:04:12,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:04:12,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:04:12,290 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:04:12,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_44_bad.i Unable to find full path for "g++" [2024-11-08 17:04:14,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:04:15,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:04:15,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_44_bad.i [2024-11-08 17:04:15,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/data/6de2791b3/aaee34a2fafd41c8b8bde8ecc3317957/FLAGd6beadb04 [2024-11-08 17:04:15,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/data/6de2791b3/aaee34a2fafd41c8b8bde8ecc3317957 [2024-11-08 17:04:15,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:04:15,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:04:15,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:04:15,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:04:15,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:04:15,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:04:15" (1/1) ... [2024-11-08 17:04:15,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f8fae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:15, skipping insertion in model container [2024-11-08 17:04:15,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:04:15" (1/1) ... [2024-11-08 17:04:15,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:04:17,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:04:17,537 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:04:17,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:04:17,850 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:04:17,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17 WrapperNode [2024-11-08 17:04:17,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:04:17,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:04:17,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:04:17,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:04:17,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:17,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:17,931 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-11-08 17:04:17,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:04:17,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:04:17,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:04:17,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:04:17,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:17,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:17,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:17,990 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:04:17,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:17,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:18,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:18,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:18,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:18,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:18,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:04:18,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:04:18,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:04:18,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:04:18,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (1/1) ... [2024-11-08 17:04:18,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:04:18,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:04:18,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:04:18,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:04:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 17:04:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 17:04:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:04:18,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:04:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:04:18,363 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:04:18,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:04:18,545 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 17:04:18,545 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:04:18,565 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:04:18,566 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:04:18,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:04:18 BoogieIcfgContainer [2024-11-08 17:04:18,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:04:18,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:04:18,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:04:18,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:04:18,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:04:15" (1/3) ... [2024-11-08 17:04:18,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680224fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:04:18, skipping insertion in model container [2024-11-08 17:04:18,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:04:17" (2/3) ... [2024-11-08 17:04:18,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680224fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:04:18, skipping insertion in model container [2024-11-08 17:04:18,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:04:18" (3/3) ... [2024-11-08 17:04:18,583 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_44_bad.i [2024-11-08 17:04:18,605 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:04:18,606 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:04:18,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:04:18,716 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@66cf20ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:04:18,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:04:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-11-08 17:04:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 17:04:18,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:04:18,735 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:04:18,735 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:04:18,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:04:18,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2024-11-08 17:04:18,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:04:18,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386812271] [2024-11-08 17:04:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:04:18,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:04:18,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:04:18,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:04:18,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:04:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:04:18,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:04:18,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:04:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:04:19,030 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:04:19,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:04:19,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386812271] [2024-11-08 17:04:19,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386812271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:04:19,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:04:19,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 17:04:19,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306107513] [2024-11-08 17:04:19,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:04:19,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:04:19,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:04:19,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:04:19,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:04:19,081 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:04:19,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:04:19,103 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2024-11-08 17:04:19,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:04:19,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-08 17:04:19,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:04:19,115 INFO L225 Difference]: With dead ends: 23 [2024-11-08 17:04:19,115 INFO L226 Difference]: Without dead ends: 13 [2024-11-08 17:04:19,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:04:19,126 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:04:19,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:04:19,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-08 17:04:19,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-08 17:04:19,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2024-11-08 17:04:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-08 17:04:19,174 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-11-08 17:04:19,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:04:19,176 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-08 17:04:19,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 17:04:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 17:04:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 17:04:19,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:04:19,178 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:04:19,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:04:19,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:04:19,383 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:04:19,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:04:19,384 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2024-11-08 17:04:19,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:04:19,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [628355695] [2024-11-08 17:04:19,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:04:19,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:04:19,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:04:19,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:04:19,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:04:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:04:19,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:04:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:04:19,637 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 17:04:19,638 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:04:19,640 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:04:19,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:04:19,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:04:19,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:04:19,852 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:04:19,879 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:04:19,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:04:19 BoogieIcfgContainer [2024-11-08 17:04:19,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:04:19,884 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:04:19,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:04:19,885 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:04:19,885 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:04:18" (3/4) ... [2024-11-08 17:04:19,889 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:04:19,890 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:04:19,895 INFO L158 Benchmark]: Toolchain (without parser) took 4059.92ms. Allocated memory was 69.2MB in the beginning and 113.2MB in the end (delta: 44.0MB). Free memory was 40.7MB in the beginning and 45.0MB in the end (delta: -4.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-08 17:04:19,895 INFO L158 Benchmark]: CDTParser took 1.67ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:04:19,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2018.12ms. Allocated memory was 69.2MB in the beginning and 113.2MB in the end (delta: 44.0MB). Free memory was 40.6MB in the beginning and 54.3MB in the end (delta: -13.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-08 17:04:19,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.55ms. Allocated memory is still 113.2MB. Free memory was 54.3MB in the beginning and 51.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:04:19,897 INFO L158 Benchmark]: Boogie Preprocessor took 102.22ms. Allocated memory is still 113.2MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:04:19,898 INFO L158 Benchmark]: RCFGBuilder took 531.13ms. Allocated memory is still 113.2MB. Free memory was 48.7MB in the beginning and 75.7MB in the end (delta: -27.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-08 17:04:19,899 INFO L158 Benchmark]: TraceAbstraction took 1312.19ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 45.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 17:04:19,904 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 113.2MB. Free memory was 45.7MB in the beginning and 45.0MB in the end (delta: 738.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:04:19,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2018.12ms. Allocated memory was 69.2MB in the beginning and 113.2MB in the end (delta: 44.0MB). Free memory was 40.6MB in the beginning and 54.3MB in the end (delta: -13.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.55ms. Allocated memory is still 113.2MB. Free memory was 54.3MB in the beginning and 51.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.22ms. Allocated memory is still 113.2MB. Free memory was 51.4MB in the beginning and 48.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.13ms. Allocated memory is still 113.2MB. Free memory was 48.7MB in the beginning and 75.7MB in the end (delta: -27.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1312.19ms. Allocated memory is still 113.2MB. Free memory was 75.1MB in the beginning and 45.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.43ms. Allocated memory is still 113.2MB. Free memory was 45.7MB in the beginning and 45.0MB in the end (delta: 738.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 1551]: 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 1567. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET 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] [L1568] CALL CWE190_Integer_Overflow__int_rand_preinc_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, funcPtr={-1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1551]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 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 [2024-11-08 17:04:19,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebd41eae-b59b-4af7-9e3b-1075fb2f2b65/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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