./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9 --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 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 --- 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-6b4ec56 [2022-11-20 20:25:14,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:25:14,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:25:14,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:25:14,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:25:14,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:25:14,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:25:14,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:25:14,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:25:14,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:25:14,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:25:14,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:25:14,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:25:14,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:25:14,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:25:14,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:25:14,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:25:14,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:25:14,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:25:14,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:25:14,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:25:14,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:25:14,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:25:14,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:25:14,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:25:14,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:25:14,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:25:14,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:25:14,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:25:14,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:25:14,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:25:14,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:25:14,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:25:14,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:25:14,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:25:14,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:25:14,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:25:14,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:25:14,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:25:14,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:25:14,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:25:14,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 20:25:14,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:25:14,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:25:14,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:25:14,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:25:14,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:25:14,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:25:14,657 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:25:14,657 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:25:14,658 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:25:14,658 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:25:14,659 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:25:14,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:25:14,660 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:25:14,660 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:25:14,660 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:25:14,660 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:25:14,661 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:25:14,661 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:25:14,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:25:14,663 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:25:14,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:25:14,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:25:14,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:25:14,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:25:14,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:25:14,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:25:14,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:25:14,664 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 20:25:14,665 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:25:14,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:25:14,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:25:14,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:25:14,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:25:14,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:25:14,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:25:14,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:25:14,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:25:14,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:25:14,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:25:14,667 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:25:14,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:25:14,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:25:14,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:25:14,668 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_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 [2022-11-20 20:25:14,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:25:15,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:25:15,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:25:15,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:25:15,029 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:25:15,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2022-11-20 20:25:18,157 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:25:18,444 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:25:18,445 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2022-11-20 20:25:18,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/data/b44c890e4/31713797bd6047c2b8628c5e46ba31d0/FLAG84f93ab5d [2022-11-20 20:25:18,499 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/data/b44c890e4/31713797bd6047c2b8628c5e46ba31d0 [2022-11-20 20:25:18,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:25:18,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:25:18,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:25:18,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:25:18,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:25:18,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:25:18" (1/1) ... [2022-11-20 20:25:18,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6217888f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:18, skipping insertion in model container [2022-11-20 20:25:18,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:25:18" (1/1) ... [2022-11-20 20:25:18,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:25:18,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:25:19,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:25:19,095 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:25:19,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:25:19,223 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:25:19,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19 WrapperNode [2022-11-20 20:25:19,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:25:19,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:25:19,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:25:19,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:25:19,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,308 INFO L138 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2022-11-20 20:25:19,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:25:19,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:25:19,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:25:19,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:25:19,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,346 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:25:19,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:25:19,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:25:19,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:25:19,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (1/1) ... [2022-11-20 20:25:19,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:25:19,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:25:19,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:25:19,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:25:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:25:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:25:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:25:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 20:25:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:25:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 20:25:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 20:25:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:25:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:25:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:25:19,474 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 20:25:19,704 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:25:19,706 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:25:19,962 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:25:19,969 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:25:19,969 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:25:19,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:19 BoogieIcfgContainer [2022-11-20 20:25:19,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:25:19,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:25:19,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:25:19,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:25:19,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:25:18" (1/3) ... [2022-11-20 20:25:19,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eeb6d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:25:19, skipping insertion in model container [2022-11-20 20:25:19,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:25:19" (2/3) ... [2022-11-20 20:25:19,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eeb6d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:25:19, skipping insertion in model container [2022-11-20 20:25:19,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:19" (3/3) ... [2022-11-20 20:25:19,982 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2022-11-20 20:25:19,991 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 20:25:20,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:25:20,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 20:25:20,004 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 20:25:20,091 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 20:25:20,134 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 20:25:20,160 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 84 transitions, 173 flow [2022-11-20 20:25:20,171 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 84 transitions, 173 flow [2022-11-20 20:25:20,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 84 transitions, 173 flow [2022-11-20 20:25:20,232 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2022-11-20 20:25:20,232 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 20:25:20,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 86 events. 1/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 66. Up to 2 conditions per place. [2022-11-20 20:25:20,238 INFO L119 LiptonReduction]: Number of co-enabled transitions 168 [2022-11-20 20:25:27,436 INFO L134 LiptonReduction]: Checked pairs total: 302 [2022-11-20 20:25:27,436 INFO L136 LiptonReduction]: Total number of compositions: 95 [2022-11-20 20:25:27,445 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 14 transitions, 33 flow [2022-11-20 20:25:27,455 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6 states, 1 states have (on average 5.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:25:27,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:25:27,482 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35eef7bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:25:27,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-20 20:25:27,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 1 states have (on average 5.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:25:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-20 20:25:27,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:25:27,490 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-20 20:25:27,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-20 20:25:27,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:25:27,497 INFO L85 PathProgramCache]: Analyzing trace with hash 304, now seen corresponding path program 1 times [2022-11-20 20:25:27,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:25:27,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647800691] [2022-11-20 20:25:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:25:27,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:25:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:25:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:25:27,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:25:27,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647800691] [2022-11-20 20:25:27,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647800691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:25:27,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:25:27,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-20 20:25:27,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198572580] [2022-11-20 20:25:27,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:25:27,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:25:27,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:25:27,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:25:27,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:25:27,694 INFO L87 Difference]: Start difference. First operand has 6 states, 1 states have (on average 5.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:25:27,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:25:27,722 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2022-11-20 20:25:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:25:27,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-20 20:25:27,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:25:27,740 INFO L225 Difference]: With dead ends: 2 [2022-11-20 20:25:27,742 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:25:27,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:25:27,747 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:25:27,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:25:27,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:25:27,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:25:27,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:25:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:25:27,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2022-11-20 20:25:27,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:25:27,776 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:25:27,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:25:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:25:27,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:25:27,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-20 20:25:27,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-20 20:25:27,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-20 20:25:27,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-20 20:25:27,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-20 20:25:27,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:25:27,791 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 20:25:27,794 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 20:25:27,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:25:27,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:25:27 BasicIcfg [2022-11-20 20:25:27,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:25:27,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:25:27,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:25:27,800 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:25:27,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:25:19" (3/4) ... [2022-11-20 20:25:27,805 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:25:27,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-20 20:25:27,823 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 20:25:27,823 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 20:25:27,824 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 20:25:27,883 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:25:27,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:25:27,885 INFO L158 Benchmark]: Toolchain (without parser) took 9381.07ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 138.1MB in the beginning and 69.6MB in the end (delta: 68.6MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2022-11-20 20:25:27,885 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 146.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:25:27,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 717.83ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 110.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 20:25:27,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.63ms. Allocated memory is still 186.6MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:25:27,890 INFO L158 Benchmark]: Boogie Preprocessor took 54.66ms. Allocated memory is still 186.6MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:25:27,890 INFO L158 Benchmark]: RCFGBuilder took 606.94ms. Allocated memory is still 186.6MB. Free memory was 106.7MB in the beginning and 93.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:25:27,891 INFO L158 Benchmark]: TraceAbstraction took 7824.51ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 92.4MB in the beginning and 72.7MB in the end (delta: 19.7MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2022-11-20 20:25:27,891 INFO L158 Benchmark]: Witness Printer took 84.91ms. Allocated memory is still 224.4MB. Free memory was 72.7MB in the beginning and 69.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:25:27,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 146.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 717.83ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 110.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.63ms. Allocated memory is still 186.6MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.66ms. Allocated memory is still 186.6MB. Free memory was 108.2MB in the beginning and 106.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 606.94ms. Allocated memory is still 186.6MB. Free memory was 106.7MB in the beginning and 93.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7824.51ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 92.4MB in the beginning and 72.7MB in the end (delta: 19.7MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Witness Printer took 84.91ms. Allocated memory is still 224.4MB. Free memory was 72.7MB in the beginning and 69.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.3s, 86 PlacesBefore, 17 PlacesAfterwards, 84 TransitionsBefore, 14 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 7 FixpointIterations, 76 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 95 TotalNumberOfCompositions, 302 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 209, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 209, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 115, unknown conditional: 0, unknown unconditional: 115] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1013]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1016]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1013]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1016]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 92 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 20:25:27,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3df7f024-0129-495e-90df-403ff7a4d49e/bin/utaipan-6cKwYrpEi9/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