./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX --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 21325645cf7d2c394d0eaa1628a16a96624f1addcdd1b56c7e8aa2473acfaf07 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:08:28,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:08:28,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:08:28,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:08:28,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:08:29,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:08:29,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:08:29,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:08:29,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:08:29,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:08:29,026 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:08:29,027 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:08:29,028 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:08:29,029 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:08:29,030 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:08:29,030 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:08:29,031 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:08:29,032 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:08:29,032 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:08:29,033 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:08:29,033 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:08:29,034 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:08:29,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:08:29,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:08:29,036 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:08:29,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:08:29,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:08:29,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:08:29,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:08:29,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:08:29,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:08:29,041 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:08:29,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:08:29,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:08:29,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:08:29,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:08:29,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:08:29,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:08:29,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:29,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:08:29,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:08:29,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:08:29,044 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:08:29,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:08:29,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:08:29,045 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:08:29,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:08:29,046 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_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21325645cf7d2c394d0eaa1628a16a96624f1addcdd1b56c7e8aa2473acfaf07 [2023-11-12 00:08:29,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:08:29,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:08:29,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:08:29,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:08:29,479 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:08:29,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2023-11-12 00:08:32,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:08:32,817 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:08:32,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2023-11-12 00:08:32,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/data/aa146e01f/a66eac21eafb485db8daf356c80cc2ff/FLAGb2bdccab6 [2023-11-12 00:08:32,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/data/aa146e01f/a66eac21eafb485db8daf356c80cc2ff [2023-11-12 00:08:32,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:08:32,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:08:32,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:32,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:08:32,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:08:32,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:32" (1/1) ... [2023-11-12 00:08:32,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca68b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:32, skipping insertion in model container [2023-11-12 00:08:32,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:08:32" (1/1) ... [2023-11-12 00:08:32,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:33,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:33,096 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:33,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:33,145 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:33,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33 WrapperNode [2023-11-12 00:08:33,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:33,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:33,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:33,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:33,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,195 INFO L138 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 133 [2023-11-12 00:08:33,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:33,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:33,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:33,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:33,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:33,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:33,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:33,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:33,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (1/1) ... [2023-11-12 00:08:33,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:33,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:33,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:33,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:08:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:08:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:08:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:08:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:08:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:08:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:08:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:08:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-12 00:08:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-12 00:08:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-12 00:08:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-12 00:08:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:08:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:08:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:08:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:08:33,342 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:08:33,526 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:33,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:33,953 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:33,965 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:33,965 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 00:08:33,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:33 BoogieIcfgContainer [2023-11-12 00:08:33,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:33,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:33,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:33,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:33,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:08:32" (1/3) ... [2023-11-12 00:08:33,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf21e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:33, skipping insertion in model container [2023-11-12 00:08:33,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:33" (2/3) ... [2023-11-12 00:08:33,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf21e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:33, skipping insertion in model container [2023-11-12 00:08:33,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:33" (3/3) ... [2023-11-12 00:08:33,980 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2023-11-12 00:08:33,988 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:08:33,999 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:33,999 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-12 00:08:34,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf21e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:08:34, skipping insertion in model container [2023-11-12 00:08:34,001 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:08:34,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:08:34,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:08:34,002 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:08:34,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:33" (3/3) ... [2023-11-12 00:08:34,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:08:34,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 00:08:34,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 00:08:34,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-12 00:08:34,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-12 00:08:34,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2023-11-12 00:08:34,013 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2023-11-12 00:08:34,021 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-12 00:08:34,022 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:08:34,022 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:08:34,023 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:08:34,143 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:08:34,143 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:08:34,143 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:08:34,145 INFO L158 Benchmark]: Toolchain (without parser) took 1299.07ms. Allocated memory is still 140.5MB. Free memory was 95.2MB in the beginning and 52.7MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-12 00:08:34,146 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:34,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.18ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 83.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:08:34,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.08ms. Allocated memory is still 140.5MB. Free memory was 83.2MB in the beginning and 81.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:08:34,147 INFO L158 Benchmark]: Boogie Preprocessor took 38.04ms. Allocated memory is still 140.5MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:34,148 INFO L158 Benchmark]: RCFGBuilder took 733.06ms. Allocated memory is still 140.5MB. Free memory was 79.6MB in the beginning and 61.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:08:34,148 INFO L158 Benchmark]: TraceAbstraction took 29.66ms. Allocated memory is still 140.5MB. Free memory was 60.2MB in the beginning and 58.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:08:34,149 INFO L158 Benchmark]: Witness Printer took 141.87ms. Allocated memory is still 140.5MB. Free memory was 58.1MB in the beginning and 52.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:08:34,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.18ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 83.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.08ms. Allocated memory is still 140.5MB. Free memory was 83.2MB in the beginning and 81.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.04ms. Allocated memory is still 140.5MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 733.06ms. Allocated memory is still 140.5MB. Free memory was 79.6MB in the beginning and 61.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 29.66ms. Allocated memory is still 140.5MB. Free memory was 60.2MB in the beginning and 58.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 141.87ms. Allocated memory is still 140.5MB. Free memory was 58.1MB in the beginning and 52.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:08:34,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ae80f5-5f43-47e5-8077-4d57b97ce4a4/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE