./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5 --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 af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:40:27,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:40:27,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-21 19:40:27,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:40:27,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:40:27,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:40:27,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:40:27,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:40:27,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:40:27,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:40:27,933 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:40:27,934 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:40:27,935 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:40:27,936 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:40:27,937 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:40:27,938 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:40:27,938 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:40:27,939 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:40:27,939 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:40:27,939 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:40:27,940 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:40:27,940 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:40:27,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:40:27,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:40:27,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:40:27,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:40:27,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:40:27,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:40:27,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:40:27,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:40:27,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:40:27,947 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 19:40:27,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:40:27,947 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:40:27,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:40:27,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:40:27,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:40:27,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:40:27,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:40:27,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:40:27,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:40:27,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:40:27,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:40:27,959 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:40:27,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:40:27,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:40:27,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:40:27,961 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:40:27,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:40:27,961 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_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 [2023-11-21 19:40:28,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:40:28,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:40:28,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:40:28,274 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:40:28,275 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:40:28,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2023-11-21 19:40:31,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:40:31,672 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:40:31,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2023-11-21 19:40:31,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/data/6e4d36e4a/be3c5a1d3c5541b18f18145e915768c4/FLAG1d0de1921 [2023-11-21 19:40:31,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/data/6e4d36e4a/be3c5a1d3c5541b18f18145e915768c4 [2023-11-21 19:40:31,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:40:31,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:40:31,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:40:31,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:40:31,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:40:31,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:40:31" (1/1) ... [2023-11-21 19:40:31,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccc68ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:31, skipping insertion in model container [2023-11-21 19:40:31,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:40:31" (1/1) ... [2023-11-21 19:40:31,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:40:31,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:40:31,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:40:32,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:40:32,025 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:40:32,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32 WrapperNode [2023-11-21 19:40:32,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:40:32,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:40:32,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:40:32,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:40:32,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,067 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-21 19:40:32,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:40:32,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:40:32,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:40:32,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:40:32,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:40:32,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:40:32,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:40:32,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:40:32,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (1/1) ... [2023-11-21 19:40:32,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:40:32,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:40:32,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:40:32,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:40:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:40:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 19:40:32,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 19:40:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 19:40:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 19:40:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 19:40:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 19:40:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 19:40:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 19:40:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:40:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:40:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:40:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:40:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:40:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:40:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:40:32,206 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 19:40:32,331 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:40:32,334 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:40:32,696 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:40:33,086 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:40:33,087 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 19:40:33,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:40:33 BoogieIcfgContainer [2023-11-21 19:40:33,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:40:33,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:40:33,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:40:33,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:40:33,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:40:31" (1/3) ... [2023-11-21 19:40:33,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c065c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:40:33, skipping insertion in model container [2023-11-21 19:40:33,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:40:32" (2/3) ... [2023-11-21 19:40:33,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c065c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:40:33, skipping insertion in model container [2023-11-21 19:40:33,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:40:33" (3/3) ... [2023-11-21 19:40:33,098 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2023-11-21 19:40:33,108 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 19:40:33,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:40:33,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-21 19:40:33,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c065c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:40:33, skipping insertion in model container [2023-11-21 19:40:33,121 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:40:33,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:40:33,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:40:33,123 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:40:33,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:40:33" (3/3) ... [2023-11-21 19:40:33,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:40:33,132 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 19:40:33,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 19:40:33,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-21 19:40:33,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-21 19:40:33,148 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2023-11-21 19:40:33,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 19:40:33,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 19:40:33,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 19:40:33,254 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:40:33,254 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:40:33,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:40:33,256 INFO L158 Benchmark]: Toolchain (without parser) took 1540.08ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 69.2MB in the end (delta: 48.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-21 19:40:33,257 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory was 95.8MB in the beginning and 95.7MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:40:33,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.60ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 105.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:40:33,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.44ms. Allocated memory is still 148.9MB. Free memory was 105.3MB in the beginning and 103.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:40:33,258 INFO L158 Benchmark]: Boogie Preprocessor took 34.73ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 102.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:40:33,258 INFO L158 Benchmark]: RCFGBuilder took 971.91ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 77.6MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 19:40:33,259 INFO L158 Benchmark]: TraceAbstraction took 29.11ms. Allocated memory is still 148.9MB. Free memory was 77.0MB in the beginning and 74.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:40:33,259 INFO L158 Benchmark]: Witness Printer took 131.76ms. Allocated memory is still 148.9MB. Free memory was 74.8MB in the beginning and 69.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 19:40:33,262 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 123.7MB. Free memory was 95.8MB in the beginning and 95.7MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.60ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 105.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.44ms. Allocated memory is still 148.9MB. Free memory was 105.3MB in the beginning and 103.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.73ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 102.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 971.91ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 77.6MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 29.11ms. Allocated memory is still 148.9MB. Free memory was 77.0MB in the beginning and 74.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 131.76ms. Allocated memory is still 148.9MB. Free memory was 74.8MB in the beginning and 69.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. 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! [2023-11-21 19:40:33,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2e375c6-11f8-4ca6-8d01-31f05a1a57ee/bin/utaipan-verify-QoSU8krkJ5/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