./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe034_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f95cec1ef19619129f583fb8c66d7deea9b3c11be41d52b59a1e2cd5f199d72e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:13:45,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:13:45,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 01:13:45,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:13:45,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:13:45,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:13:45,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:13:45,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:13:45,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:13:45,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:13:45,633 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:13:45,633 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:13:45,633 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:13:45,634 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:13:45,634 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:13:45,634 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:13:45,636 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:13:45,639 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:13:45,639 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:13:45,639 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:13:45,640 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:13:45,640 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:13:45,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:13:45,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:13:45,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:13:45,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:13:45,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:13:45,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:13:45,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:13:45,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:13:45,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:13:45,643 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:13:45,643 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:13:45,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:13:45,643 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:13:45,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:13:45,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:13:45,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:13:45,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:13:45,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:13:45,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:13:45,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:13:45,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:13:45,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:13:45,648 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:13:45,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:13:45,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:13:45,648 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:13:45,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:13:45,649 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f95cec1ef19619129f583fb8c66d7deea9b3c11be41d52b59a1e2cd5f199d72e [2024-11-09 01:13:45,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:13:45,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:13:46,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:13:46,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:13:46,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:13:46,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-wmm/safe034_tso.i Unable to find full path for "g++" [2024-11-09 01:13:47,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:13:48,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:13:48,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/sv-benchmarks/c/pthread-wmm/safe034_tso.i [2024-11-09 01:13:48,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/data/8d6b13191/4e3b0ccb158c4fa0960e00c63afe8368/FLAG58af22c6a [2024-11-09 01:13:48,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/data/8d6b13191/4e3b0ccb158c4fa0960e00c63afe8368 [2024-11-09 01:13:48,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:13:48,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:13:48,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:13:48,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:13:48,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:13:48,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b565d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48, skipping insertion in model container [2024-11-09 01:13:48,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:13:48,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:13:48,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:13:48,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:13:48,843 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:13:48,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48 WrapperNode [2024-11-09 01:13:48,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:13:48,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:13:48,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:13:48,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:13:48,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,901 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-09 01:13:48,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:13:48,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:13:48,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:13:48,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:13:48,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:13:48,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:13:48,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:13:48,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:13:48,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (1/1) ... [2024-11-09 01:13:48,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:13:48,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:13:48,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:13:48,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:13:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 01:13:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:13:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 01:13:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 01:13:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 01:13:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 01:13:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 01:13:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 01:13:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:13:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 01:13:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:13:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:13:49,029 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 01:13:49,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:13:49,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:13:49,403 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 01:13:49,404 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:13:49,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:13:49,553 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:13:49,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:13:49 BoogieIcfgContainer [2024-11-09 01:13:49,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:13:49,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:13:49,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:13:49,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:13:49,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:13:48" (1/3) ... [2024-11-09 01:13:49,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6123729d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:13:49, skipping insertion in model container [2024-11-09 01:13:49,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:13:48" (2/3) ... [2024-11-09 01:13:49,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6123729d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:13:49, skipping insertion in model container [2024-11-09 01:13:49,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:13:49" (3/3) ... [2024-11-09 01:13:49,563 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_tso.i [2024-11-09 01:13:49,580 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:13:49,581 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 01:13:49,581 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 01:13:49,682 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 01:13:49,723 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 41 transitions, 94 flow [2024-11-09 01:13:50,148 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6466 states, 6440 states have (on average 3.5285714285714285) internal successors, (22724), 6465 states have internal predecessors, (22724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:50,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:13:50,191 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b968950, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:13:50,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-09 01:13:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 6466 states, 6440 states have (on average 3.5285714285714285) internal successors, (22724), 6465 states have internal predecessors, (22724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 01:13:50,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:13:50,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:13:50,220 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 01:13:50,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:13:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1674592727, now seen corresponding path program 1 times [2024-11-09 01:13:50,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:13:50,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879860325] [2024-11-09 01:13:50,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:13:50,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:13:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:13:50,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:13:50,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879860325] [2024-11-09 01:13:50,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879860325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:13:50,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:13:50,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 01:13:50,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838367973] [2024-11-09 01:13:50,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:13:50,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:13:50,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:13:50,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:13:50,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:13:50,580 INFO L87 Difference]: Start difference. First operand has 6466 states, 6440 states have (on average 3.5285714285714285) internal successors, (22724), 6465 states have internal predecessors, (22724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:50,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:13:50,804 INFO L93 Difference]: Finished difference Result 7770 states and 25868 transitions. [2024-11-09 01:13:50,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:13:50,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 01:13:50,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:13:50,938 INFO L225 Difference]: With dead ends: 7770 [2024-11-09 01:13:50,939 INFO L226 Difference]: Without dead ends: 4530 [2024-11-09 01:13:50,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:13:50,960 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:13:50,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 32 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:13:51,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2024-11-09 01:13:51,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 4530. [2024-11-09 01:13:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4530 states, 4512 states have (on average 3.393617021276596) internal successors, (15312), 4529 states have internal predecessors, (15312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:51,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4530 states to 4530 states and 15312 transitions. [2024-11-09 01:13:51,382 INFO L78 Accepts]: Start accepts. Automaton has 4530 states and 15312 transitions. Word has length 8 [2024-11-09 01:13:51,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:13:51,383 INFO L471 AbstractCegarLoop]: Abstraction has 4530 states and 15312 transitions. [2024-11-09 01:13:51,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4530 states and 15312 transitions. [2024-11-09 01:13:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 01:13:51,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:13:51,398 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:13:51,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:13:51,399 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 01:13:51,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:13:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1519630079, now seen corresponding path program 1 times [2024-11-09 01:13:51,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:13:51,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625521800] [2024-11-09 01:13:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:13:51,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:13:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:13:51,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:13:51,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625521800] [2024-11-09 01:13:51,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625521800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:13:51,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:13:51,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:13:51,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118352088] [2024-11-09 01:13:51,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:13:51,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:13:51,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:13:51,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:13:51,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:13:51,548 INFO L87 Difference]: Start difference. First operand 4530 states and 15312 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:51,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:13:51,715 INFO L93 Difference]: Finished difference Result 4530 states and 15312 transitions. [2024-11-09 01:13:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:13:51,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 01:13:51,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:13:51,754 INFO L225 Difference]: With dead ends: 4530 [2024-11-09 01:13:51,755 INFO L226 Difference]: Without dead ends: 3836 [2024-11-09 01:13:51,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:13:51,762 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 42 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:13:51,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 64 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:13:51,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2024-11-09 01:13:51,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3836. [2024-11-09 01:13:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 3830 states have (on average 3.402349869451697) internal successors, (13031), 3835 states have internal predecessors, (13031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 13031 transitions. [2024-11-09 01:13:52,001 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 13031 transitions. Word has length 16 [2024-11-09 01:13:52,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:13:52,003 INFO L471 AbstractCegarLoop]: Abstraction has 3836 states and 13031 transitions. [2024-11-09 01:13:52,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 13031 transitions. [2024-11-09 01:13:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 01:13:52,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:13:52,009 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:13:52,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:13:52,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 01:13:52,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:13:52,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1519630078, now seen corresponding path program 1 times [2024-11-09 01:13:52,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:13:52,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680563226] [2024-11-09 01:13:52,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:13:52,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:13:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:52,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:13:52,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:13:52,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680563226] [2024-11-09 01:13:52,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680563226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:13:52,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:13:52,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:13:52,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836019042] [2024-11-09 01:13:52,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:13:52,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:13:52,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:13:52,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:13:52,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:13:52,220 INFO L87 Difference]: Start difference. First operand 3836 states and 13031 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:52,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:13:52,381 INFO L93 Difference]: Finished difference Result 3920 states and 13187 transitions. [2024-11-09 01:13:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:13:52,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 01:13:52,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:13:52,412 INFO L225 Difference]: With dead ends: 3920 [2024-11-09 01:13:52,413 INFO L226 Difference]: Without dead ends: 3310 [2024-11-09 01:13:52,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:13:52,419 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 51 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:13:52,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 48 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:13:52,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2024-11-09 01:13:52,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 3310. [2024-11-09 01:13:52,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3310 states, 3307 states have (on average 3.4085273661929243) internal successors, (11272), 3309 states have internal predecessors, (11272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 11272 transitions. [2024-11-09 01:13:52,758 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 11272 transitions. Word has length 16 [2024-11-09 01:13:52,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:13:52,762 INFO L471 AbstractCegarLoop]: Abstraction has 3310 states and 11272 transitions. [2024-11-09 01:13:52,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 11272 transitions. [2024-11-09 01:13:52,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 01:13:52,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:13:52,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:13:52,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:13:52,795 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 01:13:52,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:13:52,796 INFO L85 PathProgramCache]: Analyzing trace with hash 558767792, now seen corresponding path program 1 times [2024-11-09 01:13:52,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:13:52,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502284993] [2024-11-09 01:13:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:13:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:13:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:13:52,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:13:52,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502284993] [2024-11-09 01:13:52,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502284993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:13:52,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:13:52,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:13:52,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594770929] [2024-11-09 01:13:52,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:13:52,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:13:52,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:13:52,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:13:52,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:13:52,966 INFO L87 Difference]: Start difference. First operand 3310 states and 11272 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:53,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:13:53,098 INFO L93 Difference]: Finished difference Result 3310 states and 11272 transitions. [2024-11-09 01:13:53,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:13:53,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 01:13:53,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:13:53,109 INFO L225 Difference]: With dead ends: 3310 [2024-11-09 01:13:53,109 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 01:13:53,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:13:53,117 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 58 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:13:53,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 48 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:13:53,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 01:13:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 01:13:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 01:13:53,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-11-09 01:13:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:13:53,130 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 01:13:53,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:13:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 01:13:53,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:13:53,133 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-09 01:13:53,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-09 01:13:53,134 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-09 01:13:53,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-09 01:13:53,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-09 01:13:53,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-09 01:13:53,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-09 01:13:53,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-09 01:13:53,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-09 01:13:53,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-09 01:13:53,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-09 01:13:53,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-09 01:13:53,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-09 01:13:53,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-09 01:13:53,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-09 01:13:53,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 01:13:53,144 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 01:13:53,150 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 01:13:53,150 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:13:53,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:13:53 BasicIcfg [2024-11-09 01:13:53,155 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:13:53,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:13:53,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:13:53,156 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:13:53,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:13:49" (3/4) ... [2024-11-09 01:13:53,159 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:13:53,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 01:13:53,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 01:13:53,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 01:13:53,172 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-09 01:13:53,172 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 01:13:53,173 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:13:53,173 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 01:13:53,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:13:53,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 01:13:53,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:13:53,276 INFO L158 Benchmark]: Toolchain (without parser) took 4998.43ms. Allocated memory was 153.1MB in the beginning and 352.3MB in the end (delta: 199.2MB). Free memory was 115.8MB in the beginning and 178.6MB in the end (delta: -62.7MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. [2024-11-09 01:13:53,277 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:13:53,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.40ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 93.2MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 01:13:53,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.36ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 91.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:13:53,279 INFO L158 Benchmark]: Boogie Preprocessor took 40.39ms. Allocated memory is still 153.1MB. Free memory was 91.0MB in the beginning and 89.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:13:53,280 INFO L158 Benchmark]: RCFGBuilder took 610.44ms. Allocated memory is still 153.1MB. Free memory was 89.9MB in the beginning and 67.2MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 01:13:53,280 INFO L158 Benchmark]: TraceAbstraction took 3598.99ms. Allocated memory was 153.1MB in the beginning and 352.3MB in the end (delta: 199.2MB). Free memory was 66.4MB in the beginning and 183.8MB in the end (delta: -117.4MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-11-09 01:13:53,281 INFO L158 Benchmark]: Witness Printer took 119.91ms. Allocated memory is still 352.3MB. Free memory was 183.8MB in the beginning and 178.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:13:53,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.40ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 93.2MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.36ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 91.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.39ms. Allocated memory is still 153.1MB. Free memory was 91.0MB in the beginning and 89.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 610.44ms. Allocated memory is still 153.1MB. Free memory was 89.9MB in the beginning and 67.2MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3598.99ms. Allocated memory was 153.1MB in the beginning and 352.3MB in the end (delta: 199.2MB). Free memory was 66.4MB in the beginning and 183.8MB in the end (delta: -117.4MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Witness Printer took 119.91ms. Allocated memory is still 352.3MB. Free memory was 183.8MB in the beginning and 178.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 735]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 752]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 74 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 192 IncrementalHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 80 mSDtfsCounter, 192 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6466occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 01:13:53,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_023db928-895e-48de-abc3-8ac256c107ee/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE