./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --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 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:00:33,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:00:33,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:00:33,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:00:33,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:00:33,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:00:33,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:00:33,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:00:33,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:00:33,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:00:33,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:00:33,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:00:33,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:00:33,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:00:33,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:00:33,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:00:33,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:00:33,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:00:33,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:00:33,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:00:33,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:00:33,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:00:33,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:00:33,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:00:33,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:00:33,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:00:33,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:00:33,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:00:33,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:00:33,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:00:33,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:00:33,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:00:33,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:00:33,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:00:33,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:00:33,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:00:33,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:00:33,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:00:33,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:00:33,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:00:33,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:00:33,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:00:33,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:00:33,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:00:33,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:00:33,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:00:33,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:00:33,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:00:33,675 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:00:33,675 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:00:33,675 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:00:33,675 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:00:33,676 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:00:33,677 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:00:33,677 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:00:33,677 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:00:33,677 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:00:33,678 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:00:33,678 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:00:33,678 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:00:33,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:00:33,679 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:00:33,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:00:33,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:00:33,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:00:33,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:00:33,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:00:33,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:00:33,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:00:33,682 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:00:33,682 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:00:33,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:00:33,683 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:00:33,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:00:33,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:00:33,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:00:33,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:33,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:00:33,685 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:00:33,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:00:33,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:00:33,685 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:00:33,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:00:33,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:00:33,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:00:33,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 [2022-11-19 08:00:33,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:00:33,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:00:33,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:00:33,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:00:33,995 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:00:33,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2022-11-19 08:00:34,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/data/b07253ecb/cda0d6006050415795a7c6d623b8848c/FLAG305e965d3 [2022-11-19 08:00:34,535 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:00:34,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2022-11-19 08:00:34,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/data/b07253ecb/cda0d6006050415795a7c6d623b8848c/FLAG305e965d3 [2022-11-19 08:00:34,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/data/b07253ecb/cda0d6006050415795a7c6d623b8848c [2022-11-19 08:00:34,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:00:34,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:00:34,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:34,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:00:34,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:00:34,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:34" (1/1) ... [2022-11-19 08:00:34,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33212a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:34, skipping insertion in model container [2022-11-19 08:00:34,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:34" (1/1) ... [2022-11-19 08:00:34,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:00:34,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:00:35,235 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-11-19 08:00:35,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:35,249 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:00:35,290 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2022-11-19 08:00:35,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:35,308 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:00:35,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35 WrapperNode [2022-11-19 08:00:35,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:35,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:35,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:00:35,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:00:35,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,356 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-19 08:00:35,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:35,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:00:35,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:00:35,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:00:35,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:00:35,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:00:35,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:00:35,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:00:35,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (1/1) ... [2022-11-19 08:00:35,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:35,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:35,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:00:35,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:00:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:00:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 08:00:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 08:00:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 08:00:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 08:00:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-19 08:00:35,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-19 08:00:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:00:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:00:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:00:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 08:00:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 08:00:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:00:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:00:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:00:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:00:35,501 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:00:35,638 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:00:35,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:00:35,801 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:00:35,830 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:00:35,830 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:00:35,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:35 BoogieIcfgContainer [2022-11-19 08:00:35,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:00:35,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:00:35,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:00:35,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:00:35,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:34" (1/3) ... [2022-11-19 08:00:35,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140d0649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:35, skipping insertion in model container [2022-11-19 08:00:35,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:35" (2/3) ... [2022-11-19 08:00:35,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140d0649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:35, skipping insertion in model container [2022-11-19 08:00:35,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:35" (3/3) ... [2022-11-19 08:00:35,842 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2022-11-19 08:00:35,850 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:00:35,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:00:35,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 08:00:35,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@140d0649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:35, skipping insertion in model container [2022-11-19 08:00:35,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:00:35,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:00:35,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:00:35,878 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:00:35,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:35" (3/3) ... [2022-11-19 08:00:35,894 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:00:35,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-19 08:00:35,900 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-19 08:00:35,901 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-19 08:00:35,905 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-19 08:00:35,919 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:00:35,919 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:00:35,920 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:00:35,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:00:35,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:00:35,970 INFO L158 Benchmark]: Toolchain (without parser) took 1051.98ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 85.0MB in the end (delta: 9.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-19 08:00:35,970 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:00:35,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.02ms. Allocated memory is still 134.2MB. Free memory was 94.1MB in the beginning and 107.4MB in the end (delta: -13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:00:35,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.47ms. Allocated memory is still 134.2MB. Free memory was 107.4MB in the beginning and 106.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:00:35,972 INFO L158 Benchmark]: Boogie Preprocessor took 52.71ms. Allocated memory is still 134.2MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:00:35,973 INFO L158 Benchmark]: RCFGBuilder took 421.71ms. Allocated memory is still 134.2MB. Free memory was 104.3MB in the beginning and 90.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 08:00:35,974 INFO L158 Benchmark]: TraceAbstraction took 41.98ms. Allocated memory is still 134.2MB. Free memory was 90.2MB in the beginning and 87.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:00:35,974 INFO L158 Benchmark]: Witness Printer took 90.86ms. Allocated memory is still 134.2MB. Free memory was 87.9MB in the beginning and 85.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:00:35,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.02ms. Allocated memory is still 134.2MB. Free memory was 94.1MB in the beginning and 107.4MB in the end (delta: -13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.47ms. Allocated memory is still 134.2MB. Free memory was 107.4MB in the beginning and 106.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.71ms. Allocated memory is still 134.2MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.71ms. Allocated memory is still 134.2MB. Free memory was 104.3MB in the beginning and 90.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 41.98ms. Allocated memory is still 134.2MB. Free memory was 90.2MB in the beginning and 87.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 90.86ms. Allocated memory is still 134.2MB. Free memory was 87.9MB in the beginning and 85.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. 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! [2022-11-19 08:00:36,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359f865e-888a-4662-bb46-753330df3b3a/bin/utaipan-I9t0OCRTmS/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