./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-easy7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/test-easy7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ --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 2089b8408f47d976db10454bec1f56d65e439056bc0b2c5e33c1e775793bdc1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:51:46,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:51:46,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:51:46,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:51:46,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:51:46,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:51:46,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:51:46,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:51:46,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:51:46,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:51:46,427 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:51:46,428 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:51:46,429 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:51:46,429 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:51:46,430 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:51:46,430 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:51:46,431 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:51:46,432 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:51:46,432 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:51:46,433 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:51:46,433 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:51:46,434 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:51:46,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:51:46,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:51:46,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:51:46,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:51:46,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:51:46,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:51:46,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:51:46,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:51:46,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:51:46,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:51:46,439 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:51:46,440 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:51:46,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:51:46,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:51:46,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:51:46,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:51:46,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:46,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:51:46,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:51:46,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:51:46,458 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:51:46,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:51:46,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:51:46,459 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:51:46,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:51:46,459 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_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2089b8408f47d976db10454bec1f56d65e439056bc0b2c5e33c1e775793bdc1f [2023-11-19 04:51:46,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:51:46,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:51:46,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:51:46,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:51:46,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:51:46,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/test-easy7.wvr.c [2023-11-19 04:51:49,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:51:50,143 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:51:50,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/sv-benchmarks/c/weaver/test-easy7.wvr.c [2023-11-19 04:51:50,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/data/01325459c/6a2eb46dd9bd44a9a6405b1e4d6fde90/FLAG9448ea0d1 [2023-11-19 04:51:50,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/data/01325459c/6a2eb46dd9bd44a9a6405b1e4d6fde90 [2023-11-19 04:51:50,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:51:50,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:51:50,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:50,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:51:50,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:51:50,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5695fb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50, skipping insertion in model container [2023-11-19 04:51:50,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:51:50,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:50,434 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:51:50,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:50,471 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:51:50,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50 WrapperNode [2023-11-19 04:51:50,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:50,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:50,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:51:50,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:51:50,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,509 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-19 04:51:50,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:50,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:51:50,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:51:50,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:51:50,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:51:50,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:51:50,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:51:50,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:51:50,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (1/1) ... [2023-11-19 04:51:50,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:50,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:51:50,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:51:50,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:51:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:51:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:51:50,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:51:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:51:50,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:51:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:51:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:51:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:51:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:51:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:51:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:51:50,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:51:50,631 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:51:50,793 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:51:50,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:51:50,989 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:51:51,004 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:51:51,004 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:51:51,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:51 BoogieIcfgContainer [2023-11-19 04:51:51,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:51:51,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:51:51,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:51:51,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:51:51,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:51:50" (1/3) ... [2023-11-19 04:51:51,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60bd086c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:51, skipping insertion in model container [2023-11-19 04:51:51,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:50" (2/3) ... [2023-11-19 04:51:51,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60bd086c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:51, skipping insertion in model container [2023-11-19 04:51:51,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:51" (3/3) ... [2023-11-19 04:51:51,027 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.c [2023-11-19 04:51:51,039 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:51:51,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:51:51,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 04:51:51,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60bd086c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:51:51, skipping insertion in model container [2023-11-19 04:51:51,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:51:51,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:51:51,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:51:51,057 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:51:51,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:51" (3/3) ... [2023-11-19 04:51:51,061 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:51:51,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 04:51:51,066 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 04:51:51,073 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 04:51:51,073 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:51:51,074 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:51:51,074 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:51:51,190 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:51:51,190 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:51:51,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:51:51,192 INFO L158 Benchmark]: Toolchain (without parser) took 1004.36ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 73.3MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 04:51:51,193 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:51:51,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.12ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 96.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:51:51,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.49ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:51:51,198 INFO L158 Benchmark]: Boogie Preprocessor took 27.25ms. Allocated memory is still 146.8MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:51:51,198 INFO L158 Benchmark]: RCFGBuilder took 480.55ms. Allocated memory is still 146.8MB. Free memory was 93.2MB in the beginning and 80.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:51:51,199 INFO L158 Benchmark]: TraceAbstraction took 33.61ms. Allocated memory is still 146.8MB. Free memory was 79.7MB in the beginning and 77.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:51:51,199 INFO L158 Benchmark]: Witness Printer took 134.06ms. Allocated memory is still 146.8MB. Free memory was 77.7MB in the beginning and 73.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:51:51,204 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 146.8MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.12ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 96.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.49ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.25ms. Allocated memory is still 146.8MB. Free memory was 94.8MB in the beginning and 93.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.55ms. Allocated memory is still 146.8MB. Free memory was 93.2MB in the beginning and 80.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 33.61ms. Allocated memory is still 146.8MB. Free memory was 79.7MB in the beginning and 77.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 134.06ms. Allocated memory is still 146.8MB. Free memory was 77.7MB in the beginning and 73.3MB in the end (delta: 4.4MB). 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! [2023-11-19 04:51:51,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b450159-c1a7-4280-bb5a-f83de2d55b7e/bin/utaipan-verify-t7M7D8N6sZ/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