./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 0e0057cc 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_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:55,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:55,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 11:59:55,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:55,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:55,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:55,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:55,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:55,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:55,360 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:55,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:55,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:55,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:55,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:55,363 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:55,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:55,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:55,365 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:55,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:55,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:55,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:55,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:55,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:55,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:55,369 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:59:55,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:55,370 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:55,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:55,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:55,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:55,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:55,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:55,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:55,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:55,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:55,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:55,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:55,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:55,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:55,376 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:55,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:55,377 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:55,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:55,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:55,378 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-26 11:59:55,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:55,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:55,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:55,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:55,713 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:55,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-26 11:59:58,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:59,265 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:59,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-26 11:59:59,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/data/5f6bd30ee/307d1e8a849c413fabe7e520a4720719/FLAGdbf3eed74 [2023-11-26 11:59:59,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/data/5f6bd30ee/307d1e8a849c413fabe7e520a4720719 [2023-11-26 11:59:59,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:59,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:59,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:59,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:59,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:59,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65172631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59, skipping insertion in model container [2023-11-26 11:59:59,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:59,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:59,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:59,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:59,621 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:59:59,621 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:59:59,629 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:59,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59 WrapperNode [2023-11-26 11:59:59,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:59,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:59,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:59,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:59,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,671 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2023-11-26 11:59:59,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:59,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:59,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:59,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:59,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,713 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2023-11-26 11:59:59,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:59,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:59,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:59,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:59,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (1/1) ... [2023-11-26 11:59:59,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:59,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:59,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:59,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:59:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:59:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:59:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:59:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 11:59:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 11:59:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-26 11:59:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-26 11:59:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:59:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:59:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:59:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:59:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:59:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:59:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:59:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:59:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:59:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:59:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:59:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:59:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:59:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:59,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:59:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:59:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:59:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:59:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:59:59,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:59:59,835 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:59:59,966 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:59,967 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:00,265 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:00,486 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:00,486 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 12:00:00,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:00 BoogieIcfgContainer [2023-11-26 12:00:00,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:00,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:00,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:00,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:00,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:59" (1/3) ... [2023-11-26 12:00:00,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e3212e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:00, skipping insertion in model container [2023-11-26 12:00:00,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:59" (2/3) ... [2023-11-26 12:00:00,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e3212e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:00, skipping insertion in model container [2023-11-26 12:00:00,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:00" (3/3) ... [2023-11-26 12:00:00,498 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2023-11-26 12:00:00,508 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:00:00,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:00,517 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-26 12:00:00,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e3212e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:00, skipping insertion in model container [2023-11-26 12:00:00,518 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:00:00,519 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:00,520 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:00,520 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:00,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:00" (3/3) ... [2023-11-26 12:00:00,523 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:00:00,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 12:00:00,526 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 12:00:00,526 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 12:00:00,526 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-26 12:00:00,532 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2023-11-26 12:00:00,532 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-26 12:00:00,533 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-26 12:00:00,533 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:00:00,636 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:00:00,636 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:00:00,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:00,638 INFO L158 Benchmark]: Toolchain (without parser) took 1340.39ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 69.0MB in the end (delta: 59.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-26 12:00:00,639 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 159.4MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:00,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.02ms. Allocated memory is still 159.4MB. Free memory was 127.7MB in the beginning and 116.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:00:00,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.07ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 114.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:00,643 INFO L158 Benchmark]: Boogie Preprocessor took 62.41ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 111.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:00,644 INFO L158 Benchmark]: RCFGBuilder took 751.58ms. Allocated memory is still 159.4MB. Free memory was 111.8MB in the beginning and 77.0MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-26 12:00:00,644 INFO L158 Benchmark]: TraceAbstraction took 28.56ms. Allocated memory is still 159.4MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:00,649 INFO L158 Benchmark]: Witness Printer took 117.49ms. Allocated memory is still 159.4MB. Free memory was 74.1MB in the beginning and 69.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:00,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 159.4MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.02ms. Allocated memory is still 159.4MB. Free memory was 127.7MB in the beginning and 116.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.07ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 114.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.41ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 111.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.58ms. Allocated memory is still 159.4MB. Free memory was 111.8MB in the beginning and 77.0MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 28.56ms. Allocated memory is still 159.4MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 117.49ms. Allocated memory is still 159.4MB. Free memory was 74.1MB in the beginning and 69.0MB in the end (delta: 5.0MB). 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! [2023-11-26 12:00:00,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c41b3858-1522-489b-89c9-2aeb5c2092d3/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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