./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix002.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix002.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:30:59,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:30:59,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:30:59,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:30:59,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:30:59,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:30:59,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:30:59,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:30:59,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:30:59,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:30:59,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:30:59,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:30:59,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:30:59,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:30:59,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:30:59,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:30:59,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:30:59,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:30:59,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:30:59,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:30:59,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:30:59,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:30:59,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:30:59,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:30:59,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:30:59,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:30:59,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:30:59,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:30:59,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:30:59,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:30:59,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:30:59,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:30:59,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:30:59,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:30:59,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:30:59,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:30:59,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:30:59,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:30:59,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:30:59,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:30:59,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:30:59,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 02:31:00,015 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:31:00,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:31:00,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:31:00,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:31:00,017 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:31:00,017 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:31:00,017 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:31:00,018 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:31:00,018 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:31:00,018 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:31:00,019 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:31:00,019 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:31:00,019 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:31:00,019 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:31:00,020 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:31:00,020 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:31:00,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:31:00,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:31:00,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:31:00,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:31:00,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:31:00,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:31:00,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:31:00,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:31:00,023 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:31:00,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:31:00,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:31:00,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:31:00,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:31:00,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:31:00,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:31:00,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:31:00,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:31:00,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:31:00,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:31:00,026 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:31:00,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:31:00,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:31:00,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:31:00,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:31:00,027 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 [2021-11-13 02:31:00,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:31:00,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:31:00,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:31:00,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:31:00,455 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:31:00,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-wmm/mix002.opt.i [2021-11-13 02:31:00,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data/5aaa49e3a/31fb266cc72840deb54379a26f47138e/FLAGbc9bebed2 [2021-11-13 02:31:01,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:31:01,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/sv-benchmarks/c/pthread-wmm/mix002.opt.i [2021-11-13 02:31:01,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data/5aaa49e3a/31fb266cc72840deb54379a26f47138e/FLAGbc9bebed2 [2021-11-13 02:31:01,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data/5aaa49e3a/31fb266cc72840deb54379a26f47138e [2021-11-13 02:31:01,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:31:01,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:31:01,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:31:01,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:31:01,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:31:01,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:31:01" (1/1) ... [2021-11-13 02:31:01,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52089075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:01, skipping insertion in model container [2021-11-13 02:31:01,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:31:01" (1/1) ... [2021-11-13 02:31:01,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:31:01,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:31:01,895 WARN L228 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_d4999bd6-a7b8-4695-9a95-7fabbabe0269/sv-benchmarks/c/pthread-wmm/mix002.opt.i[944,957] [2021-11-13 02:31:02,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:31:02,192 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:31:02,206 WARN L228 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_d4999bd6-a7b8-4695-9a95-7fabbabe0269/sv-benchmarks/c/pthread-wmm/mix002.opt.i[944,957] [2021-11-13 02:31:02,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:31:02,345 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:31:02,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02 WrapperNode [2021-11-13 02:31:02,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:31:02,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:31:02,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:31:02,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:31:02,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:31:02,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:31:02,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:31:02,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:31:02,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:31:02,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:31:02,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:31:02,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:31:02,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (1/1) ... [2021-11-13 02:31:02,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:31:02,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:31:02,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:31:02,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:31:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 02:31:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 02:31:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:31:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:31:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 02:31:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 02:31:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 02:31:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 02:31:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-13 02:31:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-13 02:31:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:31:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 02:31:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:31:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:31:02,700 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 02:31:04,276 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:31:04,276 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:31:04,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:31:04 BoogieIcfgContainer [2021-11-13 02:31:04,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:31:04,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:31:04,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:31:04,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:31:04,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:31:01" (1/3) ... [2021-11-13 02:31:04,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616321ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:31:04, skipping insertion in model container [2021-11-13 02:31:04,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:02" (2/3) ... [2021-11-13 02:31:04,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616321ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:31:04, skipping insertion in model container [2021-11-13 02:31:04,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:31:04" (3/3) ... [2021-11-13 02:31:04,293 INFO L111 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2021-11-13 02:31:04,299 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 02:31:04,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:31:04,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 02:31:04,300 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 02:31:04,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,361 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,361 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,361 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,362 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,363 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,363 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,364 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,365 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,365 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,365 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,366 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,366 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,366 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,367 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,368 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,369 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,370 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,370 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,370 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,371 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,371 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,371 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,371 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,372 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,374 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,375 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,376 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,377 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,378 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,379 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,379 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,379 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,379 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,379 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,380 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,382 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,382 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,383 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,384 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,385 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,386 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,386 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,386 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,386 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,387 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,388 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,391 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,391 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,391 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,393 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,394 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,400 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,401 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,401 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,401 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,401 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,401 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,402 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,402 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,406 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,406 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,407 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,407 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,408 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,408 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,408 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,408 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,408 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,414 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,414 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,414 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,414 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,414 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,415 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,415 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,415 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,415 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,415 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,415 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,420 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,433 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,433 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,433 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,433 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,433 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,444 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,449 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,450 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,450 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,450 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,460 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,460 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,460 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,461 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,462 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,463 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,463 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,463 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,463 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,463 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,464 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,464 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,464 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,464 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,465 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,465 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,465 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,465 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,465 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,467 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,481 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,481 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,481 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,481 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,482 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,482 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,483 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,483 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,483 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,484 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,484 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,484 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,484 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,484 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,485 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,485 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,485 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,485 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,486 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,486 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,486 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,486 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,486 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,487 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,487 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,487 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,487 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,487 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,488 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,488 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,488 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,488 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,488 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,489 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,489 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,489 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,489 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,490 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,490 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,490 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,490 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:04,491 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 02:31:04,557 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:31:04,578 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:31:04,578 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-13 02:31:04,600 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-13 02:31:04,622 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 122 transitions, 259 flow [2021-11-13 02:31:04,631 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 122 transitions, 259 flow [2021-11-13 02:31:04,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 122 transitions, 259 flow [2021-11-13 02:31:04,694 INFO L129 PetriNetUnfolder]: 2/119 cut-off events. [2021-11-13 02:31:04,694 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 02:31:04,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 119 events. 2/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-11-13 02:31:04,704 INFO L116 LiptonReduction]: Number of co-enabled transitions 2288 [2021-11-13 02:31:12,676 INFO L131 LiptonReduction]: Checked pairs total: 6076 [2021-11-13 02:31:12,676 INFO L133 LiptonReduction]: Total number of compositions: 107 [2021-11-13 02:31:12,686 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 27 transitions, 69 flow [2021-11-13 02:31:12,762 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 812 states, 809 states have (on average 3.1520395550061804) internal successors, (2550), 811 states have internal predecessors, (2550), 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) [2021-11-13 02:31:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 812 states, 809 states have (on average 3.1520395550061804) internal successors, (2550), 811 states have internal predecessors, (2550), 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) [2021-11-13 02:31:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 02:31:12,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:12,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:12,779 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:12,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:12,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1252820706, now seen corresponding path program 1 times [2021-11-13 02:31:12,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:12,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075412] [2021-11-13 02:31:12,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:12,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:13,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:13,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075412] [2021-11-13 02:31:13,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:13,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:13,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-13 02:31:13,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279997981] [2021-11-13 02:31:13,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:13,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:31:13,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:13,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:31:13,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:31:13,160 INFO L87 Difference]: Start difference. First operand has 812 states, 809 states have (on average 3.1520395550061804) internal successors, (2550), 811 states have internal predecessors, (2550), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-13 02:31:13,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:13,321 INFO L93 Difference]: Finished difference Result 687 states and 2125 transitions. [2021-11-13 02:31:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:31:13,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-13 02:31:13,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:13,361 INFO L225 Difference]: With dead ends: 687 [2021-11-13 02:31:13,361 INFO L226 Difference]: Without dead ends: 662 [2021-11-13 02:31:13,362 INFO L932 BasicCegarLoop]: 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 [2021-11-13 02:31:13,368 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.71ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.68ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:13,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 6 Invalid, 35 Unknown, 0 Unchecked, 1.71ms Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 88.68ms Time] [2021-11-13 02:31:13,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-11-13 02:31:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-11-13 02:31:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 3.1164901664145233) internal successors, (2060), 661 states have internal predecessors, (2060), 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) [2021-11-13 02:31:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 2060 transitions. [2021-11-13 02:31:13,495 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 2060 transitions. Word has length 7 [2021-11-13 02:31:13,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:13,496 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 2060 transitions. [2021-11-13 02:31:13,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-13 02:31:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2060 transitions. [2021-11-13 02:31:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:31:13,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:13,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:13,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:31:13,500 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:13,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:13,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1369761891, now seen corresponding path program 1 times [2021-11-13 02:31:13,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:13,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509390100] [2021-11-13 02:31:13,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:13,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:13,700 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:13,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509390100] [2021-11-13 02:31:13,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509390100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:13,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:13,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-13 02:31:13,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114683766] [2021-11-13 02:31:13,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:13,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:31:13,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:13,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:31:13,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:31:13,707 INFO L87 Difference]: Start difference. First operand 662 states and 2060 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-13 02:31:13,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:13,788 INFO L93 Difference]: Finished difference Result 602 states and 1842 transitions. [2021-11-13 02:31:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:31:13,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-13 02:31:13,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:13,805 INFO L225 Difference]: With dead ends: 602 [2021-11-13 02:31:13,805 INFO L226 Difference]: Without dead ends: 602 [2021-11-13 02:31:13,806 INFO L932 BasicCegarLoop]: 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 [2021-11-13 02:31:13,807 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.64ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:13,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 5 Invalid, 34 Unknown, 0 Unchecked, 0.70ms Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 67.64ms Time] [2021-11-13 02:31:13,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2021-11-13 02:31:13,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2021-11-13 02:31:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 601 states have (on average 3.064891846921797) internal successors, (1842), 601 states have internal predecessors, (1842), 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) [2021-11-13 02:31:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1842 transitions. [2021-11-13 02:31:13,852 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1842 transitions. Word has length 9 [2021-11-13 02:31:13,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:13,852 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 1842 transitions. [2021-11-13 02:31:13,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-13 02:31:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1842 transitions. [2021-11-13 02:31:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 02:31:13,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:13,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:13,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:31:13,857 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:13,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:13,861 INFO L85 PathProgramCache]: Analyzing trace with hash 876305030, now seen corresponding path program 1 times [2021-11-13 02:31:13,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:13,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401279207] [2021-11-13 02:31:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:13,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:14,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:14,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401279207] [2021-11-13 02:31:14,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401279207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:14,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:14,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:31:14,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056929167] [2021-11-13 02:31:14,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:14,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:31:14,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:14,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:31:14,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:31:14,039 INFO L87 Difference]: Start difference. First operand 602 states and 1842 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) [2021-11-13 02:31:14,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:14,149 INFO L93 Difference]: Finished difference Result 572 states and 1738 transitions. [2021-11-13 02:31:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:31:14,150 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 [2021-11-13 02:31:14,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:14,157 INFO L225 Difference]: With dead ends: 572 [2021-11-13 02:31:14,157 INFO L226 Difference]: Without dead ends: 572 [2021-11-13 02:31:14,158 INFO L932 BasicCegarLoop]: 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 [2021-11-13 02:31:14,159 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.52ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.24ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:14,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 6 Invalid, 47 Unknown, 0 Unchecked, 1.52ms Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 91.24ms Time] [2021-11-13 02:31:14,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2021-11-13 02:31:14,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2021-11-13 02:31:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 571 states have (on average 3.043782837127846) internal successors, (1738), 571 states have internal predecessors, (1738), 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) [2021-11-13 02:31:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 1738 transitions. [2021-11-13 02:31:14,191 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 1738 transitions. Word has length 11 [2021-11-13 02:31:14,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:14,191 INFO L470 AbstractCegarLoop]: Abstraction has 572 states and 1738 transitions. [2021-11-13 02:31:14,192 INFO L471 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) [2021-11-13 02:31:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1738 transitions. [2021-11-13 02:31:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 02:31:14,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:14,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:14,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 02:31:14,197 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:14,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1408163526, now seen corresponding path program 1 times [2021-11-13 02:31:14,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:14,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970348826] [2021-11-13 02:31:14,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:14,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:14,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:14,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:14,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970348826] [2021-11-13 02:31:14,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970348826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:14,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:14,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:31:14,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083980773] [2021-11-13 02:31:14,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:14,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:31:14,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:14,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:31:14,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:31:14,322 INFO L87 Difference]: Start difference. First operand 572 states and 1738 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-13 02:31:14,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:14,426 INFO L93 Difference]: Finished difference Result 548 states and 1656 transitions. [2021-11-13 02:31:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:31:14,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2021-11-13 02:31:14,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:14,434 INFO L225 Difference]: With dead ends: 548 [2021-11-13 02:31:14,434 INFO L226 Difference]: Without dead ends: 548 [2021-11-13 02:31:14,435 INFO L932 BasicCegarLoop]: 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 [2021-11-13 02:31:14,436 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.48ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:14,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 6 Invalid, 55 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 91.48ms Time] [2021-11-13 02:31:14,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2021-11-13 02:31:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2021-11-13 02:31:14,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 547 states have (on average 3.0274223034734917) internal successors, (1656), 547 states have internal predecessors, (1656), 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) [2021-11-13 02:31:14,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1656 transitions. [2021-11-13 02:31:14,465 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1656 transitions. Word has length 13 [2021-11-13 02:31:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:14,466 INFO L470 AbstractCegarLoop]: Abstraction has 548 states and 1656 transitions. [2021-11-13 02:31:14,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-13 02:31:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1656 transitions. [2021-11-13 02:31:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 02:31:14,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:14,469 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:14,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 02:31:14,470 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:14,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:14,471 INFO L85 PathProgramCache]: Analyzing trace with hash 281978643, now seen corresponding path program 1 times [2021-11-13 02:31:14,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:14,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843193784] [2021-11-13 02:31:14,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:14,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:14,606 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:14,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843193784] [2021-11-13 02:31:14,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843193784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:14,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:14,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 02:31:14,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903672349] [2021-11-13 02:31:14,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:14,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:31:14,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:14,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:31:14,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:31:14,611 INFO L87 Difference]: Start difference. First operand 548 states and 1656 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-13 02:31:14,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:14,739 INFO L93 Difference]: Finished difference Result 526 states and 1413 transitions. [2021-11-13 02:31:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:14,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2021-11-13 02:31:14,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:14,744 INFO L225 Difference]: With dead ends: 526 [2021-11-13 02:31:14,744 INFO L226 Difference]: Without dead ends: 376 [2021-11-13 02:31:14,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:14,746 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 37 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.99ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.17ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:14,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 9 Invalid, 54 Unknown, 0 Unchecked, 0.99ms Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 108.17ms Time] [2021-11-13 02:31:14,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-13 02:31:14,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2021-11-13 02:31:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 375 states have (on average 2.5813333333333333) internal successors, (968), 375 states have internal predecessors, (968), 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) [2021-11-13 02:31:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 968 transitions. [2021-11-13 02:31:14,764 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 968 transitions. Word has length 15 [2021-11-13 02:31:14,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:14,765 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 968 transitions. [2021-11-13 02:31:14,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-13 02:31:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 968 transitions. [2021-11-13 02:31:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 02:31:14,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:14,767 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:14,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 02:31:14,768 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:14,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:14,769 INFO L85 PathProgramCache]: Analyzing trace with hash -243894253, now seen corresponding path program 1 times [2021-11-13 02:31:14,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:14,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900084948] [2021-11-13 02:31:14,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:14,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:14,879 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:14,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900084948] [2021-11-13 02:31:14,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900084948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:14,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:14,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 02:31:14,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396618690] [2021-11-13 02:31:14,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:14,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:31:14,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:14,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:31:14,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:14,883 INFO L87 Difference]: Start difference. First operand 376 states and 968 transitions. Second operand has 5 states, 5 states have (on average 3.4) 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) [2021-11-13 02:31:15,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:15,050 INFO L93 Difference]: Finished difference Result 318 states and 765 transitions. [2021-11-13 02:31:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:31:15,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) 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 [2021-11-13 02:31:15,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:15,054 INFO L225 Difference]: With dead ends: 318 [2021-11-13 02:31:15,054 INFO L226 Difference]: Without dead ends: 248 [2021-11-13 02:31:15,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:31:15,055 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 70 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.54ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.89ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:15,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 12 Invalid, 73 Unknown, 0 Unchecked, 2.54ms Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 142.89ms Time] [2021-11-13 02:31:15,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-13 02:31:15,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-13 02:31:15,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 2.3643724696356276) internal successors, (584), 247 states have internal predecessors, (584), 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) [2021-11-13 02:31:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 584 transitions. [2021-11-13 02:31:15,091 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 584 transitions. Word has length 17 [2021-11-13 02:31:15,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:15,092 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 584 transitions. [2021-11-13 02:31:15,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) 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) [2021-11-13 02:31:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 584 transitions. [2021-11-13 02:31:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 02:31:15,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:15,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:15,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 02:31:15,095 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:15,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:15,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1378926112, now seen corresponding path program 1 times [2021-11-13 02:31:15,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:15,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767780803] [2021-11-13 02:31:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:15,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:15,226 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:15,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767780803] [2021-11-13 02:31:15,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767780803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:15,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:15,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:31:15,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329105355] [2021-11-13 02:31:15,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:15,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:31:15,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:15,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:31:15,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:31:15,230 INFO L87 Difference]: Start difference. First operand 248 states and 584 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-11-13 02:31:15,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:15,384 INFO L93 Difference]: Finished difference Result 229 states and 544 transitions. [2021-11-13 02:31:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:31:15,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2021-11-13 02:31:15,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:15,387 INFO L225 Difference]: With dead ends: 229 [2021-11-13 02:31:15,387 INFO L226 Difference]: Without dead ends: 215 [2021-11-13 02:31:15,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:31:15,388 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 102 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.10ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.63ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:15,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 9 Invalid, 75 Unknown, 0 Unchecked, 1.10ms Time], IncrementalHoareTripleChecker [19 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 121.63ms Time] [2021-11-13 02:31:15,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-13 02:31:15,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-11-13 02:31:15,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 2.4205607476635516) internal successors, (518), 214 states have internal predecessors, (518), 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) [2021-11-13 02:31:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 518 transitions. [2021-11-13 02:31:15,397 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 518 transitions. Word has length 19 [2021-11-13 02:31:15,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:15,398 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 518 transitions. [2021-11-13 02:31:15,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-11-13 02:31:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 518 transitions. [2021-11-13 02:31:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:31:15,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:15,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:15,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 02:31:15,400 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:15,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:15,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1805641974, now seen corresponding path program 1 times [2021-11-13 02:31:15,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:15,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261217042] [2021-11-13 02:31:15,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:15,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:15,506 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:15,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261217042] [2021-11-13 02:31:15,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261217042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:15,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:15,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 02:31:15,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224722468] [2021-11-13 02:31:15,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:15,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:31:15,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:15,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:31:15,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:31:15,509 INFO L87 Difference]: Start difference. First operand 215 states and 518 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-11-13 02:31:15,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:15,627 INFO L93 Difference]: Finished difference Result 277 states and 653 transitions. [2021-11-13 02:31:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:15,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2021-11-13 02:31:15,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:15,629 INFO L225 Difference]: With dead ends: 277 [2021-11-13 02:31:15,629 INFO L226 Difference]: Without dead ends: 107 [2021-11-13 02:31:15,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:15,630 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 17 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.51ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:15,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 10 Invalid, 81 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 107.51ms Time] [2021-11-13 02:31:15,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-13 02:31:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-13 02:31:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 2.0943396226415096) internal successors, (222), 106 states have internal predecessors, (222), 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) [2021-11-13 02:31:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 222 transitions. [2021-11-13 02:31:15,638 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 222 transitions. Word has length 22 [2021-11-13 02:31:15,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:15,638 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 222 transitions. [2021-11-13 02:31:15,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-11-13 02:31:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 222 transitions. [2021-11-13 02:31:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:31:15,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:15,640 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:15,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 02:31:15,640 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:15,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:15,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2128818764, now seen corresponding path program 2 times [2021-11-13 02:31:15,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:15,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49524134] [2021-11-13 02:31:15,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:15,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:15,738 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:15,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49524134] [2021-11-13 02:31:15,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49524134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:15,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:15,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 02:31:15,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390432960] [2021-11-13 02:31:15,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:15,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:31:15,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:15,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:31:15,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:31:15,740 INFO L87 Difference]: Start difference. First operand 107 states and 222 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-11-13 02:31:15,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:15,850 INFO L93 Difference]: Finished difference Result 133 states and 270 transitions. [2021-11-13 02:31:15,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:15,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2021-11-13 02:31:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:15,851 INFO L225 Difference]: With dead ends: 133 [2021-11-13 02:31:15,851 INFO L226 Difference]: Without dead ends: 51 [2021-11-13 02:31:15,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:15,853 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.19ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:15,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 6 Invalid, 79 Unknown, 0 Unchecked, 0.62ms Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 100.19ms Time] [2021-11-13 02:31:15,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-13 02:31:15,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-13 02:31:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.72) internal successors, (86), 50 states have internal predecessors, (86), 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) [2021-11-13 02:31:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 86 transitions. [2021-11-13 02:31:15,856 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 86 transitions. Word has length 22 [2021-11-13 02:31:15,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:15,856 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 86 transitions. [2021-11-13 02:31:15,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-11-13 02:31:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2021-11-13 02:31:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:31:15,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:15,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:15,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 02:31:15,858 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:15,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:15,858 INFO L85 PathProgramCache]: Analyzing trace with hash -858199930, now seen corresponding path program 3 times [2021-11-13 02:31:15,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:15,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748913553] [2021-11-13 02:31:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:15,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:16,305 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:31:16,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748913553] [2021-11-13 02:31:16,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748913553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:16,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:16,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:31:16,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898021435] [2021-11-13 02:31:16,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:16,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:31:16,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:31:16,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:31:16,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:31:16,308 INFO L87 Difference]: Start difference. First operand 51 states and 86 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-11-13 02:31:16,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:16,522 INFO L93 Difference]: Finished difference Result 61 states and 100 transitions. [2021-11-13 02:31:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 02:31:16,523 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2021-11-13 02:31:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:16,524 INFO L225 Difference]: With dead ends: 61 [2021-11-13 02:31:16,524 INFO L226 Difference]: Without dead ends: 33 [2021-11-13 02:31:16,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-13 02:31:16,524 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 25 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.00ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 131.74ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:16,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 25 Invalid, 124 Unknown, 0 Unchecked, 1.00ms Time], IncrementalHoareTripleChecker [7 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 131.74ms Time] [2021-11-13 02:31:16,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-13 02:31:16,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-13 02:31:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.375) internal successors, (44), 32 states have internal predecessors, (44), 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) [2021-11-13 02:31:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2021-11-13 02:31:16,526 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 22 [2021-11-13 02:31:16,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:16,527 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-11-13 02:31:16,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2021-11-13 02:31:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2021-11-13 02:31:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:31:16,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:16,528 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:16,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 02:31:16,529 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:16,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash 204936822, now seen corresponding path program 4 times [2021-11-13 02:31:16,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:31:16,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533728213] [2021-11-13 02:31:16,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:16,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:31:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:31:16,593 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 02:31:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:31:16,727 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-13 02:31:16,729 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 02:31:16,730 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-13 02:31:16,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-13 02:31:16,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-13 02:31:16,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-13 02:31:16,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-13 02:31:16,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-13 02:31:16,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 02:31:16,736 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:16,741 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 02:31:16,741 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:31:16,839 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 02:31:16,844 INFO L158 Benchmark]: Toolchain (without parser) took 15295.29ms. Allocated memory was 115.3MB in the beginning and 239.1MB in the end (delta: 123.7MB). Free memory was 74.0MB in the beginning and 116.7MB in the end (delta: -42.6MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2021-11-13 02:31:16,845 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:31:16,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.04ms. Allocated memory is still 115.3MB. Free memory was 73.9MB in the beginning and 76.8MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 02:31:16,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.76ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 73.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 02:31:16,846 INFO L158 Benchmark]: Boogie Preprocessor took 105.16ms. Allocated memory is still 115.3MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:31:16,846 INFO L158 Benchmark]: RCFGBuilder took 1707.55ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 71.1MB in the beginning and 109.6MB in the end (delta: -38.5MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2021-11-13 02:31:16,848 INFO L158 Benchmark]: TraceAbstraction took 12557.59ms. Allocated memory was 148.9MB in the beginning and 239.1MB in the end (delta: 90.2MB). Free memory was 108.6MB in the beginning and 116.7MB in the end (delta: -8.1MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2021-11-13 02:31:16,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.04ms. Allocated memory is still 115.3MB. Free memory was 73.9MB in the beginning and 76.8MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.76ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 73.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.16ms. Allocated memory is still 115.3MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1707.55ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 71.1MB in the beginning and 109.6MB in the end (delta: -38.5MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12557.59ms. Allocated memory was 148.9MB in the beginning and 239.1MB in the end (delta: 90.2MB). Free memory was 108.6MB in the beginning and 116.7MB in the end (delta: -8.1MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.0s, 130 PlacesBefore, 37 PlacesAfterwards, 122 TransitionsBefore, 27 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 107 TotalNumberOfCompositions, 6076 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3415, positive: 3223, positive conditional: 0, positive unconditional: 3223, negative: 192, negative conditional: 0, negative unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1686, positive: 1626, positive conditional: 0, positive unconditional: 1626, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1686, positive: 1616, positive conditional: 0, positive unconditional: 1616, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 718, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 697, negative conditional: 0, negative unconditional: 697, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3415, positive: 1597, positive conditional: 0, positive unconditional: 1597, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 1686, unknown conditional: 0, unknown unconditional: 1686] , Statistics on independence cache: Total cache size (in pairs): 181, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 02:31:16,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix002.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:31:19,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:31:19,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:31:19,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:31:19,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:31:19,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:31:19,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:31:19,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:31:19,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:31:19,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:31:19,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:31:19,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:31:19,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:31:19,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:31:19,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:31:19,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:31:19,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:31:19,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:31:19,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:31:19,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:31:19,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:31:19,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:31:19,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:31:19,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:31:19,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:31:19,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:31:19,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:31:19,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:31:19,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:31:19,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:31:19,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:31:19,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:31:19,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:31:19,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:31:19,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:31:19,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:31:19,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:31:19,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:31:19,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:31:19,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:31:19,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:31:19,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-13 02:31:19,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:31:19,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:31:19,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:31:19,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:31:19,368 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:31:19,368 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:31:19,368 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:31:19,368 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:31:19,369 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:31:19,369 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:31:19,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:31:19,371 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:31:19,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:31:19,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:31:19,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:31:19,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:31:19,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:31:19,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:31:19,373 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:31:19,373 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:31:19,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:31:19,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:31:19,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:31:19,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:31:19,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:31:19,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:31:19,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:31:19,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:31:19,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:31:19,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:31:19,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:31:19,376 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:31:19,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:31:19,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:31:19,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:31:19,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:31:19,377 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 [2021-11-13 02:31:19,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:31:19,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:31:19,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:31:19,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:31:19,804 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:31:19,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-wmm/mix002.opt.i [2021-11-13 02:31:19,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data/e1ed78956/ea71e8dc05164973bbfb35c54ec08f03/FLAG93e33c3ba [2021-11-13 02:31:20,409 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:31:20,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/sv-benchmarks/c/pthread-wmm/mix002.opt.i [2021-11-13 02:31:20,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data/e1ed78956/ea71e8dc05164973bbfb35c54ec08f03/FLAG93e33c3ba [2021-11-13 02:31:20,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/data/e1ed78956/ea71e8dc05164973bbfb35c54ec08f03 [2021-11-13 02:31:20,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:31:20,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:31:20,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:31:20,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:31:20,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:31:20,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:31:20" (1/1) ... [2021-11-13 02:31:20,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de153d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:20, skipping insertion in model container [2021-11-13 02:31:20,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:31:20" (1/1) ... [2021-11-13 02:31:20,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:31:20,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:31:20,985 WARN L228 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_d4999bd6-a7b8-4695-9a95-7fabbabe0269/sv-benchmarks/c/pthread-wmm/mix002.opt.i[944,957] [2021-11-13 02:31:21,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:31:21,240 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:31:21,256 WARN L228 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_d4999bd6-a7b8-4695-9a95-7fabbabe0269/sv-benchmarks/c/pthread-wmm/mix002.opt.i[944,957] [2021-11-13 02:31:21,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:31:21,398 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:31:21,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21 WrapperNode [2021-11-13 02:31:21,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:31:21,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:31:21,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:31:21,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:31:21,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:31:21,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:31:21,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:31:21,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:31:21,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:31:21,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:31:21,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:31:21,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:31:21,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (1/1) ... [2021-11-13 02:31:21,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:31:21,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:31:21,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:31:21,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:31:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 02:31:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:31:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:31:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:31:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:31:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 02:31:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 02:31:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 02:31:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 02:31:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-13 02:31:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-13 02:31:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 02:31:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:31:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:31:21,628 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 02:31:22,931 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:31:22,931 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:31:22,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:31:22 BoogieIcfgContainer [2021-11-13 02:31:22,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:31:22,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:31:22,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:31:22,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:31:22,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:31:20" (1/3) ... [2021-11-13 02:31:22,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbbfeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:31:22, skipping insertion in model container [2021-11-13 02:31:22,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:21" (2/3) ... [2021-11-13 02:31:22,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbbfeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:31:22, skipping insertion in model container [2021-11-13 02:31:22,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:31:22" (3/3) ... [2021-11-13 02:31:22,943 INFO L111 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2021-11-13 02:31:22,948 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 02:31:22,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:31:22,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 02:31:22,949 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 02:31:23,001 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,001 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,001 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,001 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,002 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,002 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,002 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,002 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,003 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,003 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,005 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,005 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,006 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,007 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,007 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,008 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,008 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,008 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,008 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,009 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,009 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,010 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,010 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,010 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,011 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,012 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,012 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,012 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,012 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,013 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,014 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,014 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,014 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,014 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,015 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,015 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,015 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,015 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,015 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,015 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,016 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,016 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,016 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,016 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,017 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,017 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,017 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,017 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,017 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,018 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,018 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,018 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,018 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,018 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,019 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,020 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,020 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,021 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,021 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,021 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,021 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,021 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,023 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,024 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,025 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,025 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,025 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,025 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,025 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,025 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,032 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,038 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,038 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,039 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,040 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,041 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,041 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,041 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,041 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,041 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,041 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,042 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,042 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,042 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,042 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,042 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,043 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,043 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,043 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,043 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,043 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,043 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,044 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,044 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,045 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,045 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,045 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,047 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,047 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,048 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,049 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,049 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,049 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,049 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,050 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,050 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,050 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,050 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,050 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,051 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,051 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,051 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,051 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,051 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,051 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,052 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,052 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,052 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,052 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,052 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,053 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,053 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,053 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,053 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,053 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,053 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,054 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,054 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,054 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,054 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,054 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,055 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,055 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,055 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,055 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,057 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,057 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,057 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,058 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,058 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,058 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,058 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,059 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,059 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,059 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,059 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,059 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,060 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,060 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,060 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,061 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,061 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,061 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,070 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,074 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,074 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,074 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,074 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,075 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,075 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,076 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,076 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,076 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,081 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,082 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,082 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,082 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,083 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,083 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,083 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,087 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,087 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,087 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,087 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,088 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,089 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,089 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,090 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,090 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,093 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,096 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 02:31:23,097 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 02:31:23,165 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:31:23,180 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:31:23,180 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-13 02:31:23,201 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-13 02:31:23,218 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 123 transitions, 261 flow [2021-11-13 02:31:23,226 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 123 transitions, 261 flow [2021-11-13 02:31:23,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 123 transitions, 261 flow [2021-11-13 02:31:23,325 INFO L129 PetriNetUnfolder]: 2/120 cut-off events. [2021-11-13 02:31:23,326 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 02:31:23,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 120 events. 2/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-11-13 02:31:23,334 INFO L116 LiptonReduction]: Number of co-enabled transitions 2288 [2021-11-13 02:31:35,523 INFO L131 LiptonReduction]: Checked pairs total: 6189 [2021-11-13 02:31:35,524 INFO L133 LiptonReduction]: Total number of compositions: 111 [2021-11-13 02:31:35,540 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2021-11-13 02:31:35,648 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 812 states, 809 states have (on average 3.2138442521631645) internal successors, (2600), 811 states have internal predecessors, (2600), 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) [2021-11-13 02:31:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand has 812 states, 809 states have (on average 3.2138442521631645) internal successors, (2600), 811 states have internal predecessors, (2600), 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) [2021-11-13 02:31:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 02:31:35,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:35,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:35,666 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:35,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:35,672 INFO L85 PathProgramCache]: Analyzing trace with hash -985478048, now seen corresponding path program 1 times [2021-11-13 02:31:35,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:35,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602027933] [2021-11-13 02:31:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:35,689 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:35,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:35,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:35,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:31:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:35,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 02:31:35,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:36,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:36,158 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:36,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602027933] [2021-11-13 02:31:36,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602027933] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:36,159 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:36,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-11-13 02:31:36,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597948713] [2021-11-13 02:31:36,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:36,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:31:36,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:36,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:31:36,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:31:36,228 INFO L87 Difference]: Start difference. First operand has 812 states, 809 states have (on average 3.2138442521631645) internal successors, (2600), 811 states have internal predecessors, (2600), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-13 02:31:36,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:36,429 INFO L93 Difference]: Finished difference Result 687 states and 2125 transitions. [2021-11-13 02:31:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:31:36,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-13 02:31:36,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:36,469 INFO L225 Difference]: With dead ends: 687 [2021-11-13 02:31:36,469 INFO L226 Difference]: Without dead ends: 662 [2021-11-13 02:31:36,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:31:36,477 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 126.09ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:36,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 6 Invalid, 35 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 126.09ms Time] [2021-11-13 02:31:36,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-11-13 02:31:36,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-11-13 02:31:36,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 3.1164901664145233) internal successors, (2060), 661 states have internal predecessors, (2060), 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) [2021-11-13 02:31:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 2060 transitions. [2021-11-13 02:31:36,606 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 2060 transitions. Word has length 7 [2021-11-13 02:31:36,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:36,607 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 2060 transitions. [2021-11-13 02:31:36,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-13 02:31:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 2060 transitions. [2021-11-13 02:31:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:31:36,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:36,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:36,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 02:31:36,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:36,827 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:36,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:36,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2143437313, now seen corresponding path program 1 times [2021-11-13 02:31:36,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:36,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780203327] [2021-11-13 02:31:36,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:36,830 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:36,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:36,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:36,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:31:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:37,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 02:31:37,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:37,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:37,178 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:37,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780203327] [2021-11-13 02:31:37,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780203327] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:37,179 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:37,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:31:37,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428363210] [2021-11-13 02:31:37,180 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:37,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:31:37,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:37,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:31:37,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:37,183 INFO L87 Difference]: Start difference. First operand 662 states and 2060 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-11-13 02:31:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:37,458 INFO L93 Difference]: Finished difference Result 404 states and 1097 transitions. [2021-11-13 02:31:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:31:37,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 9 [2021-11-13 02:31:37,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:37,462 INFO L225 Difference]: With dead ends: 404 [2021-11-13 02:31:37,462 INFO L226 Difference]: Without dead ends: 254 [2021-11-13 02:31:37,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:31:37,465 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 74 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 190.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.42ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 234.88ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:37,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 12 Invalid, 75 Unknown, 0 Unchecked, 2.42ms Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 234.88ms Time] [2021-11-13 02:31:37,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-13 02:31:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2021-11-13 02:31:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 253 states have (on average 2.355731225296443) internal successors, (596), 253 states have internal predecessors, (596), 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) [2021-11-13 02:31:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 596 transitions. [2021-11-13 02:31:37,484 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 596 transitions. Word has length 9 [2021-11-13 02:31:37,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:37,486 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 596 transitions. [2021-11-13 02:31:37,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2021-11-13 02:31:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 596 transitions. [2021-11-13 02:31:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 02:31:37,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:37,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:37,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:37,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:37,716 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:37,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:37,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1435941026, now seen corresponding path program 1 times [2021-11-13 02:31:37,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:37,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048431633] [2021-11-13 02:31:37,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:37,719 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:37,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:37,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:37,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:31:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:37,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 02:31:37,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:38,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:38,197 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:38,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048431633] [2021-11-13 02:31:38,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048431633] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:38,198 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:38,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 02:31:38,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405516618] [2021-11-13 02:31:38,199 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:38,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 02:31:38,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:38,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 02:31:38,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:31:38,201 INFO L87 Difference]: Start difference. First operand 254 states and 596 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 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) [2021-11-13 02:31:38,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:38,544 INFO L93 Difference]: Finished difference Result 229 states and 544 transitions. [2021-11-13 02:31:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 02:31:38,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 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 [2021-11-13 02:31:38,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:38,548 INFO L225 Difference]: With dead ends: 229 [2021-11-13 02:31:38,548 INFO L226 Difference]: Without dead ends: 215 [2021-11-13 02:31:38,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:31:38,550 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 145 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 233.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.84ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 270.94ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:38,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 24 Invalid, 156 Unknown, 0 Unchecked, 3.84ms Time], IncrementalHoareTripleChecker [35 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 270.94ms Time] [2021-11-13 02:31:38,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-13 02:31:38,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-11-13 02:31:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 2.4205607476635516) internal successors, (518), 214 states have internal predecessors, (518), 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) [2021-11-13 02:31:38,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 518 transitions. [2021-11-13 02:31:38,563 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 518 transitions. Word has length 17 [2021-11-13 02:31:38,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:38,563 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 518 transitions. [2021-11-13 02:31:38,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 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) [2021-11-13 02:31:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 518 transitions. [2021-11-13 02:31:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:31:38,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:38,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:38,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 02:31:38,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:38,783 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:38,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1803003509, now seen corresponding path program 1 times [2021-11-13 02:31:38,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:38,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546093053] [2021-11-13 02:31:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:38,785 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:38,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:38,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:38,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:31:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:39,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:31:39,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:39,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:39,335 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:39,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546093053] [2021-11-13 02:31:39,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546093053] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:39,335 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:39,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-13 02:31:39,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255850163] [2021-11-13 02:31:39,336 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:39,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:31:39,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:39,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:31:39,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:31:39,338 INFO L87 Difference]: Start difference. First operand 215 states and 518 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-11-13 02:31:39,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:39,620 INFO L93 Difference]: Finished difference Result 281 states and 656 transitions. [2021-11-13 02:31:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:39,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 22 [2021-11-13 02:31:39,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:39,622 INFO L225 Difference]: With dead ends: 281 [2021-11-13 02:31:39,622 INFO L226 Difference]: Without dead ends: 119 [2021-11-13 02:31:39,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:31:39,624 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 220.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.36ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 265.23ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:39,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 10 Invalid, 127 Unknown, 0 Unchecked, 1.36ms Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 265.23ms Time] [2021-11-13 02:31:39,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-11-13 02:31:39,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-11-13 02:31:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 2.0508474576271185) internal successors, (242), 118 states have internal predecessors, (242), 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) [2021-11-13 02:31:39,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 242 transitions. [2021-11-13 02:31:39,636 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 242 transitions. Word has length 22 [2021-11-13 02:31:39,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:39,637 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 242 transitions. [2021-11-13 02:31:39,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-11-13 02:31:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 242 transitions. [2021-11-13 02:31:39,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:31:39,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:39,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:39,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:39,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:39,857 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:39,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:39,857 INFO L85 PathProgramCache]: Analyzing trace with hash 345242379, now seen corresponding path program 2 times [2021-11-13 02:31:39,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:39,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185251669] [2021-11-13 02:31:39,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 02:31:39,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:39,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:39,860 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:39,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:31:40,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 02:31:40,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 02:31:40,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:31:40,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:40,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:40,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:40,395 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:40,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185251669] [2021-11-13 02:31:40,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185251669] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:40,396 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:40,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-13 02:31:40,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552420683] [2021-11-13 02:31:40,397 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:40,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:31:40,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:40,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:31:40,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:31:40,398 INFO L87 Difference]: Start difference. First operand 119 states and 242 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-11-13 02:31:40,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:40,580 INFO L93 Difference]: Finished difference Result 157 states and 313 transitions. [2021-11-13 02:31:40,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:40,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 22 [2021-11-13 02:31:40,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:40,582 INFO L225 Difference]: With dead ends: 157 [2021-11-13 02:31:40,582 INFO L226 Difference]: Without dead ends: 51 [2021-11-13 02:31:40,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:31:40,583 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 26 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 143.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 166.75ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:40,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 7 Invalid, 83 Unknown, 0 Unchecked, 0.90ms Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 166.75ms Time] [2021-11-13 02:31:40,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-13 02:31:40,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-13 02:31:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.72) internal successors, (86), 50 states have internal predecessors, (86), 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) [2021-11-13 02:31:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 86 transitions. [2021-11-13 02:31:40,587 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 86 transitions. Word has length 22 [2021-11-13 02:31:40,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:40,588 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 86 transitions. [2021-11-13 02:31:40,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-11-13 02:31:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2021-11-13 02:31:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:31:40,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:40,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:40,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:40,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:40,799 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 02:31:40,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:40,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1781513901, now seen corresponding path program 3 times [2021-11-13 02:31:40,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:40,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879405324] [2021-11-13 02:31:40,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 02:31:40,801 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:40,802 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:40,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 02:31:41,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-13 02:31:41,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 02:31:41,074 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 02:31:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 02:31:41,343 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-13 02:31:41,343 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 02:31:41,344 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-13 02:31:41,346 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-13 02:31:41,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-13 02:31:41,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-13 02:31:41,347 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-13 02:31:41,348 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-13 02:31:41,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:41,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:41,570 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2021-11-13 02:31:41,574 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 02:31:41,575 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:31:41,677 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 02:31:41,680 INFO L158 Benchmark]: Toolchain (without parser) took 20954.81ms. Allocated memory was 77.6MB in the beginning and 146.8MB in the end (delta: 69.2MB). Free memory was 41.6MB in the beginning and 49.3MB in the end (delta: -7.7MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2021-11-13 02:31:41,680 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory was 59.7MB in the beginning and 59.6MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:31:41,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.93ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 47.6MB in the end (delta: -6.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-11-13 02:31:41,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.89ms. Allocated memory is still 77.6MB. Free memory was 47.5MB in the beginning and 44.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 02:31:41,681 INFO L158 Benchmark]: Boogie Preprocessor took 84.08ms. Allocated memory is still 77.6MB. Free memory was 44.5MB in the beginning and 41.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:31:41,682 INFO L158 Benchmark]: RCFGBuilder took 1382.06ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 41.8MB in the beginning and 61.8MB in the end (delta: -20.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2021-11-13 02:31:41,683 INFO L158 Benchmark]: TraceAbstraction took 18742.12ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 61.1MB in the beginning and 49.3MB in the end (delta: 11.8MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2021-11-13 02:31:41,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory was 59.7MB in the beginning and 59.6MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 672.93ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 47.6MB in the end (delta: -6.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.89ms. Allocated memory is still 77.6MB. Free memory was 47.5MB in the beginning and 44.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.08ms. Allocated memory is still 77.6MB. Free memory was 44.5MB in the beginning and 41.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1382.06ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 41.8MB in the beginning and 61.8MB in the end (delta: -20.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18742.12ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 61.1MB in the beginning and 49.3MB in the end (delta: 11.8MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.3s, 131 PlacesBefore, 37 PlacesAfterwards, 123 TransitionsBefore, 28 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 8 FixpointIterations, 47 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 111 TotalNumberOfCompositions, 6189 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3389, positive: 3178, positive conditional: 0, positive unconditional: 3178, negative: 211, negative conditional: 0, negative unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1717, positive: 1658, positive conditional: 0, positive unconditional: 1658, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1717, positive: 1638, positive conditional: 0, positive unconditional: 1638, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 79, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 906, positive: 152, positive conditional: 0, positive unconditional: 152, negative: 754, negative conditional: 0, negative unconditional: 754, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3389, positive: 1520, positive conditional: 0, positive unconditional: 1520, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 1717, unknown conditional: 0, unknown unconditional: 1717] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 160, Positive conditional cache size: 0, Positive unconditional cache size: 160, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 02:31:41,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4999bd6-a7b8-4695-9a95-7fabbabe0269/bin/utaipan-vmNK8stdcF/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: ERROR: ExceptionOrErrorResult: NullPointerException: null