./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba --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 c0fbd235801aa6198331442d567d46062ed57d086b0069ca7d1e131a6b5917b8 --- 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-b5237d8 [2022-11-22 00:11:57,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:11:57,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:11:57,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:11:57,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:11:57,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:11:57,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:11:57,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:11:57,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:11:57,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:11:57,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:11:57,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:11:57,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:11:57,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:11:57,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:11:57,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:11:57,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:11:57,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:11:57,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:11:57,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:11:57,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:11:57,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:11:57,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:11:57,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:11:57,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:11:57,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:11:57,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:11:57,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:11:57,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:11:57,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:11:57,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:11:57,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:11:57,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:11:57,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:11:57,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:11:57,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:11:57,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:11:57,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:11:57,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:11:57,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:11:57,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:11:57,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 00:11:57,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:11:57,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:11:57,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:11:57,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:11:57,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:11:57,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:11:57,427 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:11:57,427 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:11:57,428 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:11:57,428 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:11:57,429 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:11:57,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:11:57,430 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:11:57,430 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:11:57,431 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:11:57,431 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:11:57,431 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:11:57,432 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:11:57,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:11:57,433 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:11:57,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:11:57,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:11:57,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:11:57,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:11:57,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:11:57,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:11:57,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:11:57,436 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:11:57,437 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:11:57,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:11:57,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:11:57,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:11:57,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:11:57,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:11:57,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:11:57,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:11:57,439 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:11:57,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:11:57,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:11:57,440 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:11:57,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:11:57,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:11:57,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:11:57,442 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_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0fbd235801aa6198331442d567d46062ed57d086b0069ca7d1e131a6b5917b8 [2022-11-22 00:11:57,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:11:57,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:11:57,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:11:57,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:11:57,884 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:11:57,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-22 00:12:01,766 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:12:02,079 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:12:02,080 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/sv-benchmarks/c/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-22 00:12:02,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/data/f83d63c73/b2a6d6c97d8e47f49e99f0466fd9f732/FLAG9ad9b7c3b [2022-11-22 00:12:02,122 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/data/f83d63c73/b2a6d6c97d8e47f49e99f0466fd9f732 [2022-11-22 00:12:02,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:12:02,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:12:02,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:12:02,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:12:02,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:12:02,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:12:02" (1/1) ... [2022-11-22 00:12:02,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b63ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:02, skipping insertion in model container [2022-11-22 00:12:02,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:12:02" (1/1) ... [2022-11-22 00:12:02,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:12:02,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:12:02,495 WARN L237 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_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/sv-benchmarks/c/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i[1035,1048] [2022-11-22 00:12:02,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:12:02,895 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:12:02,912 WARN L237 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_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/sv-benchmarks/c/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i[1035,1048] [2022-11-22 00:12:03,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:12:03,087 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:12:03,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03 WrapperNode [2022-11-22 00:12:03,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:12:03,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:12:03,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:12:03,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:12:03,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,183 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2022-11-22 00:12:03,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:12:03,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:12:03,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:12:03,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:12:03,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,219 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:12:03,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:12:03,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:12:03,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:12:03,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (1/1) ... [2022-11-22 00:12:03,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:12:03,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:12:03,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:12:03,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:12:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:12:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 00:12:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:12:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:12:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:12:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-22 00:12:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-22 00:12:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-22 00:12:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-22 00:12:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-22 00:12:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-22 00:12:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:12:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 00:12:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:12:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:12:03,340 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 00:12:03,506 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:12:03,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:12:04,050 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:12:04,261 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:12:04,262 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:12:04,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:12:04 BoogieIcfgContainer [2022-11-22 00:12:04,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:12:04,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:12:04,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:12:04,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:12:04,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:12:02" (1/3) ... [2022-11-22 00:12:04,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17950fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:12:04, skipping insertion in model container [2022-11-22 00:12:04,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:12:03" (2/3) ... [2022-11-22 00:12:04,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17950fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:12:04, skipping insertion in model container [2022-11-22 00:12:04,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:12:04" (3/3) ... [2022-11-22 00:12:04,276 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-22 00:12:04,287 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 00:12:04,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:12:04,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-22 00:12:04,301 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 00:12:04,412 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 00:12:04,451 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 00:12:04,468 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 119 transitions, 253 flow [2022-11-22 00:12:04,471 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 119 transitions, 253 flow [2022-11-22 00:12:04,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow [2022-11-22 00:12:04,541 INFO L130 PetriNetUnfolder]: 2/116 cut-off events. [2022-11-22 00:12:04,542 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 00:12:04,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2022-11-22 00:12:04,552 INFO L119 LiptonReduction]: Number of co-enabled transitions 2476 [2022-11-22 00:12:11,446 INFO L134 LiptonReduction]: Checked pairs total: 7736 [2022-11-22 00:12:11,447 INFO L136 LiptonReduction]: Total number of compositions: 106 [2022-11-22 00:12:11,456 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2022-11-22 00:12:11,602 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1258 states, 1232 states have (on average 3.529220779220779) internal successors, (4348), 1257 states have internal predecessors, (4348), 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) [2022-11-22 00:12:11,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:12:11,643 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;@6e7d63d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:12:11,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-22 00:12:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 1258 states, 1232 states have (on average 3.529220779220779) internal successors, (4348), 1257 states have internal predecessors, (4348), 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) [2022-11-22 00:12:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:12:11,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:11,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 00:12:11,658 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 00:12:11,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash 16767730, now seen corresponding path program 1 times [2022-11-22 00:12:11,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:11,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084903597] [2022-11-22 00:12:11,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:11,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:12,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:12,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084903597] [2022-11-22 00:12:12,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084903597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:12,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:12,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:12:12,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562250654] [2022-11-22 00:12:12,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:12,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:12:12,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:12,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:12:12,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:12,181 INFO L87 Difference]: Start difference. First operand has 1258 states, 1232 states have (on average 3.529220779220779) internal successors, (4348), 1257 states have internal predecessors, (4348), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-22 00:12:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:12,367 INFO L93 Difference]: Finished difference Result 559 states and 1443 transitions. [2022-11-22 00:12:12,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:12,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-22 00:12:12,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:12,390 INFO L225 Difference]: With dead ends: 559 [2022-11-22 00:12:12,390 INFO L226 Difference]: Without dead ends: 559 [2022-11-22 00:12:12,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:12:12,399 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:12,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 5 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:12:12,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-11-22 00:12:12,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2022-11-22 00:12:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 541 states have (on average 2.6672828096118297) internal successors, (1443), 558 states have internal predecessors, (1443), 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) [2022-11-22 00:12:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 1443 transitions. [2022-11-22 00:12:12,531 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 1443 transitions. Word has length 4 [2022-11-22 00:12:12,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:12,533 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 1443 transitions. [2022-11-22 00:12:12,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-22 00:12:12,534 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1443 transitions. [2022-11-22 00:12:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 00:12:12,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:12,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:12,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:12:12,537 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 00:12:12,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:12,538 INFO L85 PathProgramCache]: Analyzing trace with hash -200723054, now seen corresponding path program 1 times [2022-11-22 00:12:12,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:12,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874516330] [2022-11-22 00:12:12,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:12,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:12,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:12,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:12,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874516330] [2022-11-22 00:12:12,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874516330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:12,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:12,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:12:12,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318565256] [2022-11-22 00:12:12,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:12,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:12:12,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:12,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:12:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:12:12,829 INFO L87 Difference]: Start difference. First operand 559 states and 1443 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-22 00:12:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:12,976 INFO L93 Difference]: Finished difference Result 419 states and 1073 transitions. [2022-11-22 00:12:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:12:12,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-22 00:12:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:12,981 INFO L225 Difference]: With dead ends: 419 [2022-11-22 00:12:12,981 INFO L226 Difference]: Without dead ends: 419 [2022-11-22 00:12:12,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:12:12,983 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 23 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:12,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:12:13,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2022-11-22 00:12:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2022-11-22 00:12:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 413 states have (on average 2.598062953995157) internal successors, (1073), 418 states have internal predecessors, (1073), 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) [2022-11-22 00:12:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 1073 transitions. [2022-11-22 00:12:13,036 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 1073 transitions. Word has length 11 [2022-11-22 00:12:13,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:13,036 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 1073 transitions. [2022-11-22 00:12:13,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-22 00:12:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1073 transitions. [2022-11-22 00:12:13,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 00:12:13,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:13,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:13,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:12:13,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 00:12:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:13,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1927448098, now seen corresponding path program 1 times [2022-11-22 00:12:13,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:13,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219563492] [2022-11-22 00:12:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:13,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:13,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219563492] [2022-11-22 00:12:13,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219563492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:13,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:13,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:12:13,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209377209] [2022-11-22 00:12:13,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:13,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:12:13,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:13,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:12:13,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:12:13,287 INFO L87 Difference]: Start difference. First operand 419 states and 1073 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-22 00:12:13,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:13,443 INFO L93 Difference]: Finished difference Result 198 states and 439 transitions. [2022-11-22 00:12:13,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:12:13,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-11-22 00:12:13,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:13,445 INFO L225 Difference]: With dead ends: 198 [2022-11-22 00:12:13,445 INFO L226 Difference]: Without dead ends: 198 [2022-11-22 00:12:13,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:12:13,447 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 20 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:13,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 6 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:12:13,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-22 00:12:13,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-11-22 00:12:13,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 195 states have (on average 2.2512820512820513) internal successors, (439), 197 states have internal predecessors, (439), 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) [2022-11-22 00:12:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 439 transitions. [2022-11-22 00:12:13,459 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 439 transitions. Word has length 12 [2022-11-22 00:12:13,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:13,461 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 439 transitions. [2022-11-22 00:12:13,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-22 00:12:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 439 transitions. [2022-11-22 00:12:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 00:12:13,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:13,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:13,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:12:13,471 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 00:12:13,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:13,472 INFO L85 PathProgramCache]: Analyzing trace with hash 469937181, now seen corresponding path program 1 times [2022-11-22 00:12:13,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:13,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474977895] [2022-11-22 00:12:13,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:13,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:12:13,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:13,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474977895] [2022-11-22 00:12:13,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474977895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:13,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:13,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:12:13,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288390219] [2022-11-22 00:12:13,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:13,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:12:13,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:12:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:12:13,725 INFO L87 Difference]: Start difference. First operand 198 states and 439 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-22 00:12:13,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:13,842 INFO L93 Difference]: Finished difference Result 153 states and 361 transitions. [2022-11-22 00:12:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:12:13,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2022-11-22 00:12:13,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:13,843 INFO L225 Difference]: With dead ends: 153 [2022-11-22 00:12:13,843 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:12:13,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:12:13,845 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 35 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:13,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 3 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:12:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:12:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:12:13,846 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) [2022-11-22 00:12:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:12:13,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-11-22 00:12:13,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:13,847 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:12:13,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-22 00:12:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:12:13,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:12:13,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-22 00:12:13,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-22 00:12:13,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-22 00:12:13,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-22 00:12:13,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-22 00:12:13,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-22 00:12:13,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-22 00:12:13,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-22 00:12:13,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-22 00:12:13,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-22 00:12:13,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-22 00:12:13,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-22 00:12:13,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-22 00:12:13,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-22 00:12:13,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-22 00:12:13,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:12:13,867 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 00:12:13,872 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 00:12:13,873 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:12:13,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:12:13 BasicIcfg [2022-11-22 00:12:13,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:12:13,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:12:13,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:12:13,877 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:12:13,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:12:04" (3/4) ... [2022-11-22 00:12:13,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:12:13,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-22 00:12:13,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-22 00:12:13,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-22 00:12:13,892 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-22 00:12:13,892 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-22 00:12:13,893 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 00:12:13,893 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:12:13,955 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:12:13,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:12:13,956 INFO L158 Benchmark]: Toolchain (without parser) took 11829.50ms. Allocated memory was 123.7MB in the beginning and 201.3MB in the end (delta: 77.6MB). Free memory was 77.7MB in the beginning and 85.7MB in the end (delta: -8.1MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-11-22 00:12:13,957 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 123.7MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:12:13,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.84ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 77.7MB in the beginning and 130.5MB in the end (delta: -52.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 00:12:13,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.76ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 128.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:12:13,958 INFO L158 Benchmark]: Boogie Preprocessor took 40.61ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:12:13,959 INFO L158 Benchmark]: RCFGBuilder took 1038.79ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 87.5MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-22 00:12:13,959 INFO L158 Benchmark]: TraceAbstraction took 9608.03ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 86.5MB in the beginning and 88.9MB in the end (delta: -2.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-22 00:12:13,959 INFO L158 Benchmark]: Witness Printer took 79.38ms. Allocated memory is still 201.3MB. Free memory was 87.8MB in the beginning and 85.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:12:13,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 123.7MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.84ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 77.7MB in the beginning and 130.5MB in the end (delta: -52.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.76ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 128.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.61ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1038.79ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 87.5MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9608.03ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 86.5MB in the beginning and 88.9MB in the end (delta: -2.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 79.38ms. Allocated memory is still 201.3MB. Free memory was 87.8MB in the beginning and 85.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0s, 127 PlacesBefore, 39 PlacesAfterwards, 119 TransitionsBefore, 30 TransitionsAfterwards, 2476 CoEnabledTransitionPairs, 6 FixpointIterations, 42 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 106 TotalNumberOfCompositions, 7736 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3014, independent: 2800, independent conditional: 0, independent unconditional: 2800, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1599, independent: 1545, independent conditional: 0, independent unconditional: 1545, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1599, independent: 1496, independent conditional: 0, independent unconditional: 1496, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 605, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 508, dependent conditional: 0, dependent unconditional: 508, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3014, independent: 1255, independent conditional: 0, independent unconditional: 1255, dependent: 160, dependent conditional: 0, dependent unconditional: 160, unknown: 1599, unknown conditional: 0, unknown unconditional: 1599] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, 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: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 812]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 812]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: 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 7 procedures, 150 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 11 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1258occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-22 00:12:13,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd038d-4e65-48b9-8bf5-061b8c8a8af1/bin/utaipan-g80aRyZoba/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