./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.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_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/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_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/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_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:48:51,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:48:51,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:48:51,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:48:51,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:48:51,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:48:51,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:48:51,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:48:51,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:48:51,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:48:51,872 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:48:51,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:48:51,874 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:48:51,875 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:48:51,876 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:48:51,876 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:48:51,877 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:48:51,877 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:48:51,878 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:48:51,878 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:48:51,879 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:48:51,879 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:48:51,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:48:51,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:48:51,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:48:51,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:48:51,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:48:51,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:48:51,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:48:51,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:48:51,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:48:51,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:48:51,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:48:51,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:48:51,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:48:51,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:48:51,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:48:51,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:48:51,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:51,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:48:51,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:48:51,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:48:51,888 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:48:51,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:48:51,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:48:51,889 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:48:51,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:48:51,890 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_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-19 04:48:52,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:48:52,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:48:52,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:48:52,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:48:52,228 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:48:52,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 04:48:55,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:48:55,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:48:55,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 04:48:55,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/data/95cdcaeb0/3dd1641a538841b690ca2f4bd8f0236b/FLAGb5955e83f [2023-11-19 04:48:55,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/data/95cdcaeb0/3dd1641a538841b690ca2f4bd8f0236b [2023-11-19 04:48:55,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:48:55,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:48:55,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:55,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:48:55,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:48:55,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:55" (1/1) ... [2023-11-19 04:48:55,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424bb247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:55, skipping insertion in model container [2023-11-19 04:48:55,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:55" (1/1) ... [2023-11-19 04:48:55,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:48:56,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:56,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:48:56,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:56,095 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:48:56,095 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:48:56,103 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:48:56,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56 WrapperNode [2023-11-19 04:48:56,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:56,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:56,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:48:56,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:48:56,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,153 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2023-11-19 04:48:56,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:56,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:48:56,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:48:56,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:48:56,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:48:56,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:48:56,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:48:56,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:48:56,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (1/1) ... [2023-11-19 04:48:56,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:56,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:48:56,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:48:56,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:48:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:48:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:48:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:48:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:48:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:48:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:48:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:48:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:48:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:48:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:48:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:48:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:48:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:48:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:48:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:48:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:48:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:48:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:48:56,286 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 04:48:56,397 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:48:56,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:48:56,732 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:48:56,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:48:56,788 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:48:56,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:56 BoogieIcfgContainer [2023-11-19 04:48:56,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:48:56,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:48:56,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:48:56,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:48:56,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:48:55" (1/3) ... [2023-11-19 04:48:56,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a56722b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:56, skipping insertion in model container [2023-11-19 04:48:56,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:56" (2/3) ... [2023-11-19 04:48:56,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a56722b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:56, skipping insertion in model container [2023-11-19 04:48:56,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:56" (3/3) ... [2023-11-19 04:48:56,802 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2023-11-19 04:48:56,810 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:48:56,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:48:56,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 04:48:56,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a56722b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:48:56, skipping insertion in model container [2023-11-19 04:48:56,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:48:56,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:48:56,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:48:56,825 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:48:56,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:56" (3/3) ... [2023-11-19 04:48:56,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:48:56,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 04:48:56,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 04:48:56,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-19 04:48:56,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-19 04:48:56,838 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-19 04:48:56,841 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:48:56,842 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:48:56,842 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:48:56,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:48:56,981 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:48:56,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:48:56,983 INFO L158 Benchmark]: Toolchain (without parser) took 1279.10ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 60.7MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:48:56,984 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:48:56,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.21ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 90.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:48:56,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 88.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:48:56,985 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 87.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:48:56,986 INFO L158 Benchmark]: RCFGBuilder took 602.19ms. Allocated memory is still 140.5MB. Free memory was 87.1MB in the beginning and 68.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:48:56,986 INFO L158 Benchmark]: TraceAbstraction took 28.23ms. Allocated memory is still 140.5MB. Free memory was 67.6MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:48:56,989 INFO L158 Benchmark]: Witness Printer took 156.14ms. Allocated memory is still 140.5MB. Free memory was 65.4MB in the beginning and 60.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:48:56,992 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.21ms. Allocated memory is still 140.5MB. Free memory was 102.0MB in the beginning and 90.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 88.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 87.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.19ms. Allocated memory is still 140.5MB. Free memory was 87.1MB in the beginning and 68.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 28.23ms. Allocated memory is still 140.5MB. Free memory was 67.6MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 156.14ms. Allocated memory is still 140.5MB. Free memory was 65.4MB in the beginning and 60.7MB in the end (delta: 4.8MB). 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 04:48:57,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f60651ca-fc8a-4a12-bd1e-6e7da32b22e5/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