./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi003_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi003_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8 --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 bbed6899483c5b5f0a1d535204e672cbbf6b7e9c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:08:16,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:08:16,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:08:16,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:08:16,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:08:16,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:08:16,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:08:16,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:08:16,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:08:16,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:08:16,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:08:16,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:08:16,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:08:16,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:08:16,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:08:16,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:08:16,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:08:16,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:08:16,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:08:16,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:08:16,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:08:16,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:08:16,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:08:16,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:08:16,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:08:16,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:08:16,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:08:16,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:08:16,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:08:16,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:08:16,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:08:16,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:08:16,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:08:16,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:08:16,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:08:16,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:08:16,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:08:16,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:08:16,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:08:16,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:08:16,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:08:16,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:08:16,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:08:16,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:08:16,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:08:16,370 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:08:16,371 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:08:16,371 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:08:16,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:08:16,371 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:08:16,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:08:16,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:08:16,372 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:08:16,372 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:08:16,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:08:16,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:08:16,373 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:08:16,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:08:16,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:08:16,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:08:16,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:08:16,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:08:16,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:08:16,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:08:16,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:08:16,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:08:16,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:08:16,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:08:16,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:08:16,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:08:16,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:08:16,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:08:16,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:08:16,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:08:16,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:08:16,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:08:16,379 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:08:16,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:08:16,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:08:16,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:08:16,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:08:16,380 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_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbed6899483c5b5f0a1d535204e672cbbf6b7e9c [2021-10-13 08:08:16,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:08:16,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:08:16,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:08:16,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:08:16,721 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:08:16,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-wmm/rfi003_tso.opt.i [2021-10-13 08:08:16,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/data/ee9e4787c/63d361c50f1745e8834d4d7a5624f0a9/FLAG297c8a06b [2021-10-13 08:08:17,350 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:08:17,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/sv-benchmarks/c/pthread-wmm/rfi003_tso.opt.i [2021-10-13 08:08:17,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/data/ee9e4787c/63d361c50f1745e8834d4d7a5624f0a9/FLAG297c8a06b [2021-10-13 08:08:17,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/data/ee9e4787c/63d361c50f1745e8834d4d7a5624f0a9 [2021-10-13 08:08:17,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:08:17,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:08:17,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:08:17,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:08:17,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:08:17,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:17" (1/1) ... [2021-10-13 08:08:17,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7320dce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:17, skipping insertion in model container [2021-10-13 08:08:17,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:17" (1/1) ... [2021-10-13 08:08:17,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:08:17,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:08:17,918 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_391638f2-bc23-4688-a032-2821b3272cef/sv-benchmarks/c/pthread-wmm/rfi003_tso.opt.i[948,961] [2021-10-13 08:08:18,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:08:18,201 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:08:18,212 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_391638f2-bc23-4688-a032-2821b3272cef/sv-benchmarks/c/pthread-wmm/rfi003_tso.opt.i[948,961] [2021-10-13 08:08:18,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:08:18,340 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:08:18,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18 WrapperNode [2021-10-13 08:08:18,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:08:18,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:08:18,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:08:18,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:08:18,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:08:18,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:08:18,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:08:18,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:08:18,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:08:18,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:08:18,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:08:18,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:08:18,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (1/1) ... [2021-10-13 08:08:18,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:08:18,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:08:18,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:08:18,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:08:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 08:08:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 08:08:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:08:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 08:08:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 08:08:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 08:08:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 08:08:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 08:08:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 08:08:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 08:08:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:08:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:08:18,600 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 08:08:21,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:08:21,686 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 08:08:21,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:21 BoogieIcfgContainer [2021-10-13 08:08:21,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:08:21,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:08:21,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:08:21,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:08:21,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:08:17" (1/3) ... [2021-10-13 08:08:21,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff5ec5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:08:21, skipping insertion in model container [2021-10-13 08:08:21,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:18" (2/3) ... [2021-10-13 08:08:21,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff5ec5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:08:21, skipping insertion in model container [2021-10-13 08:08:21,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:21" (3/3) ... [2021-10-13 08:08:21,696 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi003_tso.opt.i [2021-10-13 08:08:21,702 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 08:08:21,702 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:08:21,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 08:08:21,702 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 08:08:21,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,743 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,743 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,743 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,752 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,752 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,782 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,790 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,792 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,824 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,827 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 08:08:21,831 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 08:08:21,887 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:08:21,900 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, mConcurrency=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 [2021-10-13 08:08:21,900 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-13 08:08:21,930 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 08:08:21,948 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 91 transitions, 192 flow [2021-10-13 08:08:21,952 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 91 transitions, 192 flow [2021-10-13 08:08:21,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2021-10-13 08:08:22,010 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2021-10-13 08:08:22,010 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 08:08:22,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2021-10-13 08:08:22,019 INFO L116 LiptonReduction]: Number of co-enabled transitions 1208 [2021-10-13 08:08:30,925 INFO L131 LiptonReduction]: Checked pairs total: 4153 [2021-10-13 08:08:30,925 INFO L133 LiptonReduction]: Total number of compositions: 78 [2021-10-13 08:08:30,934 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 24 transitions, 58 flow [2021-10-13 08:08:30,983 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 272 states, 269 states have (on average 2.6728624535315983) internal successors, (719), 271 states have internal predecessors, (719), 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) [2021-10-13 08:08:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 272 states, 269 states have (on average 2.6728624535315983) internal successors, (719), 271 states have internal predecessors, (719), 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) [2021-10-13 08:08:30,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 08:08:30,992 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:30,992 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 08:08:30,993 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:30,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:30,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1440590326, now seen corresponding path program 1 times [2021-10-13 08:08:31,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:31,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676424099] [2021-10-13 08:08:31,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:31,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:31,353 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:31,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676424099] [2021-10-13 08:08:31,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676424099] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:31,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:31,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 08:08:31,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327620684] [2021-10-13 08:08:31,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:08:31,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:31,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:08:31,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:08:31,379 INFO L87 Difference]: Start difference. First operand has 272 states, 269 states have (on average 2.6728624535315983) internal successors, (719), 271 states have internal predecessors, (719), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-10-13 08:08:31,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:31,496 INFO L93 Difference]: Finished difference Result 236 states and 575 transitions. [2021-10-13 08:08:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:08:31,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-10-13 08:08:31,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:31,517 INFO L225 Difference]: With dead ends: 236 [2021-10-13 08:08:31,518 INFO L226 Difference]: Without dead ends: 224 [2021-10-13 08:08:31,524 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:08:31,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-13 08:08:31,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2021-10-13 08:08:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 2.4529147982062782) internal successors, (547), 223 states have internal predecessors, (547), 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) [2021-10-13 08:08:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 547 transitions. [2021-10-13 08:08:31,605 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 547 transitions. Word has length 6 [2021-10-13 08:08:31,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:31,606 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 547 transitions. [2021-10-13 08:08:31,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-10-13 08:08:31,606 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 547 transitions. [2021-10-13 08:08:31,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 08:08:31,608 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:31,608 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:31,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 08:08:31,609 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:31,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:31,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1426592438, now seen corresponding path program 1 times [2021-10-13 08:08:31,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:31,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354608681] [2021-10-13 08:08:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:31,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:31,843 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:31,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354608681] [2021-10-13 08:08:31,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354608681] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:31,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:31,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 08:08:31,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015776477] [2021-10-13 08:08:31,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:08:31,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:31,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:08:31,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:08:31,852 INFO L87 Difference]: Start difference. First operand 224 states and 547 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-13 08:08:31,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:31,886 INFO L93 Difference]: Finished difference Result 218 states and 506 transitions. [2021-10-13 08:08:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 08:08:31,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-10-13 08:08:31,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:31,888 INFO L225 Difference]: With dead ends: 218 [2021-10-13 08:08:31,889 INFO L226 Difference]: Without dead ends: 176 [2021-10-13 08:08:31,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:08:31,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-10-13 08:08:31,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2021-10-13 08:08:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 2.3485714285714288) internal successors, (411), 175 states have internal predecessors, (411), 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) [2021-10-13 08:08:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 411 transitions. [2021-10-13 08:08:31,911 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 411 transitions. Word has length 8 [2021-10-13 08:08:31,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:31,912 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 411 transitions. [2021-10-13 08:08:31,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-13 08:08:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 411 transitions. [2021-10-13 08:08:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 08:08:31,914 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:31,914 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:31,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 08:08:31,914 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:31,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:31,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1959495698, now seen corresponding path program 1 times [2021-10-13 08:08:31,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:31,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656704705] [2021-10-13 08:08:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:31,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:32,404 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:32,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656704705] [2021-10-13 08:08:32,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656704705] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:32,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:32,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 08:08:32,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199392119] [2021-10-13 08:08:32,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 08:08:32,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:32,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 08:08:32,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-10-13 08:08:32,413 INFO L87 Difference]: Start difference. First operand 176 states and 411 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:08:32,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:32,638 INFO L93 Difference]: Finished difference Result 192 states and 433 transitions. [2021-10-13 08:08:32,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 08:08:32,638 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-13 08:08:32,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:32,640 INFO L225 Difference]: With dead ends: 192 [2021-10-13 08:08:32,641 INFO L226 Difference]: Without dead ends: 174 [2021-10-13 08:08:32,641 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 112.7ms TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-13 08:08:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-10-13 08:08:32,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2021-10-13 08:08:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 2.341040462427746) internal successors, (405), 173 states have internal predecessors, (405), 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) [2021-10-13 08:08:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 405 transitions. [2021-10-13 08:08:32,653 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 405 transitions. Word has length 12 [2021-10-13 08:08:32,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:32,653 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 405 transitions. [2021-10-13 08:08:32,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:08:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 405 transitions. [2021-10-13 08:08:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 08:08:32,655 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:32,655 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:32,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 08:08:32,656 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:32,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1165438084, now seen corresponding path program 1 times [2021-10-13 08:08:32,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:32,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101439200] [2021-10-13 08:08:32,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:32,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:32,784 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:32,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101439200] [2021-10-13 08:08:32,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101439200] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:32,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:32,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 08:08:32,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780037644] [2021-10-13 08:08:32,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:08:32,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:32,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:08:32,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:08:32,787 INFO L87 Difference]: Start difference. First operand 174 states and 405 transitions. Second operand has 4 states, 4 states have (on average 3.25) 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) [2021-10-13 08:08:32,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:32,821 INFO L93 Difference]: Finished difference Result 138 states and 272 transitions. [2021-10-13 08:08:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 08:08:32,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) 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 [2021-10-13 08:08:32,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:32,822 INFO L225 Difference]: With dead ends: 138 [2021-10-13 08:08:32,823 INFO L226 Difference]: Without dead ends: 96 [2021-10-13 08:08:32,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:08:32,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-10-13 08:08:32,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-10-13 08:08:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.8) internal successors, (171), 95 states have internal predecessors, (171), 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) [2021-10-13 08:08:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 171 transitions. [2021-10-13 08:08:32,836 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 171 transitions. Word has length 13 [2021-10-13 08:08:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:32,836 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 171 transitions. [2021-10-13 08:08:32,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) 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) [2021-10-13 08:08:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 171 transitions. [2021-10-13 08:08:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 08:08:32,839 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:32,840 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:32,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 08:08:32,842 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:32,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:32,842 INFO L82 PathProgramCache]: Analyzing trace with hash -495977796, now seen corresponding path program 1 times [2021-10-13 08:08:32,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:32,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119549310] [2021-10-13 08:08:32,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:32,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:33,694 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:33,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119549310] [2021-10-13 08:08:33,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119549310] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:33,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:33,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 08:08:33,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435743540] [2021-10-13 08:08:33,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 08:08:33,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:33,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 08:08:33,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-10-13 08:08:33,698 INFO L87 Difference]: Start difference. First operand 96 states and 171 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2021-10-13 08:08:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:33,875 INFO L93 Difference]: Finished difference Result 100 states and 173 transitions. [2021-10-13 08:08:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 08:08:33,875 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 14 [2021-10-13 08:08:33,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:33,876 INFO L225 Difference]: With dead ends: 100 [2021-10-13 08:08:33,876 INFO L226 Difference]: Without dead ends: 94 [2021-10-13 08:08:33,877 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 161.9ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-13 08:08:33,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-13 08:08:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-13 08:08:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.7956989247311828) internal successors, (167), 93 states have internal predecessors, (167), 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) [2021-10-13 08:08:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 167 transitions. [2021-10-13 08:08:33,881 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 167 transitions. Word has length 14 [2021-10-13 08:08:33,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:33,882 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 167 transitions. [2021-10-13 08:08:33,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2021-10-13 08:08:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2021-10-13 08:08:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 08:08:33,887 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:33,887 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:33,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 08:08:33,887 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:33,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:33,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1910789430, now seen corresponding path program 1 times [2021-10-13 08:08:33,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:33,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509461935] [2021-10-13 08:08:33,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:33,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:34,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:34,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509461935] [2021-10-13 08:08:34,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509461935] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:34,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:34,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-13 08:08:34,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600776848] [2021-10-13 08:08:34,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 08:08:34,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:34,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 08:08:34,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:08:34,555 INFO L87 Difference]: Start difference. First operand 94 states and 167 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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) [2021-10-13 08:08:35,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:35,271 INFO L93 Difference]: Finished difference Result 155 states and 271 transitions. [2021-10-13 08:08:35,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 08:08:35,272 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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 [2021-10-13 08:08:35,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:35,273 INFO L225 Difference]: With dead ends: 155 [2021-10-13 08:08:35,273 INFO L226 Difference]: Without dead ends: 127 [2021-10-13 08:08:35,274 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 529.0ms TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-10-13 08:08:35,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-13 08:08:35,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2021-10-13 08:08:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.7543859649122806) internal successors, (200), 114 states have internal predecessors, (200), 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) [2021-10-13 08:08:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 200 transitions. [2021-10-13 08:08:35,280 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 200 transitions. Word has length 15 [2021-10-13 08:08:35,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:35,280 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 200 transitions. [2021-10-13 08:08:35,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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) [2021-10-13 08:08:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 200 transitions. [2021-10-13 08:08:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 08:08:35,282 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:35,282 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:35,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 08:08:35,282 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:35,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:35,283 INFO L82 PathProgramCache]: Analyzing trace with hash -715793322, now seen corresponding path program 2 times [2021-10-13 08:08:35,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:35,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548246110] [2021-10-13 08:08:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:35,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:35,968 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:35,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548246110] [2021-10-13 08:08:35,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548246110] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:35,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:35,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-13 08:08:35,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736395216] [2021-10-13 08:08:35,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 08:08:35,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:35,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 08:08:35,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-13 08:08:35,970 INFO L87 Difference]: Start difference. First operand 115 states and 200 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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) [2021-10-13 08:08:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:36,723 INFO L93 Difference]: Finished difference Result 169 states and 291 transitions. [2021-10-13 08:08:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 08:08:36,724 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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 [2021-10-13 08:08:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:36,725 INFO L225 Difference]: With dead ends: 169 [2021-10-13 08:08:36,725 INFO L226 Difference]: Without dead ends: 141 [2021-10-13 08:08:36,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 510.0ms TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-10-13 08:08:36,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-13 08:08:36,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 114. [2021-10-13 08:08:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.752212389380531) internal successors, (198), 113 states have internal predecessors, (198), 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) [2021-10-13 08:08:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 198 transitions. [2021-10-13 08:08:36,730 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 198 transitions. Word has length 15 [2021-10-13 08:08:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:36,730 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 198 transitions. [2021-10-13 08:08:36,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 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) [2021-10-13 08:08:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2021-10-13 08:08:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 08:08:36,731 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:36,731 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:36,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 08:08:36,732 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:36,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:36,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1794985324, now seen corresponding path program 3 times [2021-10-13 08:08:36,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:36,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484085916] [2021-10-13 08:08:36,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:36,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:37,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:37,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484085916] [2021-10-13 08:08:37,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484085916] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:37,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:37,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 08:08:37,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611402835] [2021-10-13 08:08:37,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 08:08:37,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:37,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 08:08:37,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-13 08:08:37,225 INFO L87 Difference]: Start difference. First operand 114 states and 198 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 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) [2021-10-13 08:08:37,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:37,952 INFO L93 Difference]: Finished difference Result 167 states and 287 transitions. [2021-10-13 08:08:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 08:08:37,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 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 [2021-10-13 08:08:37,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:37,953 INFO L225 Difference]: With dead ends: 167 [2021-10-13 08:08:37,954 INFO L226 Difference]: Without dead ends: 139 [2021-10-13 08:08:37,954 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 535.7ms TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-10-13 08:08:37,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-10-13 08:08:37,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2021-10-13 08:08:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.752212389380531) internal successors, (198), 113 states have internal predecessors, (198), 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) [2021-10-13 08:08:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 198 transitions. [2021-10-13 08:08:37,959 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 198 transitions. Word has length 15 [2021-10-13 08:08:37,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:37,960 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 198 transitions. [2021-10-13 08:08:37,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 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) [2021-10-13 08:08:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2021-10-13 08:08:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 08:08:37,961 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:37,961 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:37,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 08:08:37,961 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:37,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:37,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1068716852, now seen corresponding path program 4 times [2021-10-13 08:08:37,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:37,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584772688] [2021-10-13 08:08:37,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:37,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:38,080 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:38,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584772688] [2021-10-13 08:08:38,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584772688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:38,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:38,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 08:08:38,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571462564] [2021-10-13 08:08:38,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 08:08:38,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:38,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 08:08:38,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:08:38,083 INFO L87 Difference]: Start difference. First operand 114 states and 198 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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) [2021-10-13 08:08:38,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:38,110 INFO L93 Difference]: Finished difference Result 89 states and 146 transitions. [2021-10-13 08:08:38,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 08:08:38,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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 [2021-10-13 08:08:38,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:38,111 INFO L225 Difference]: With dead ends: 89 [2021-10-13 08:08:38,112 INFO L226 Difference]: Without dead ends: 54 [2021-10-13 08:08:38,112 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 08:08:38,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-10-13 08:08:38,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-10-13 08:08:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.5660377358490567) internal successors, (83), 53 states have internal predecessors, (83), 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) [2021-10-13 08:08:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2021-10-13 08:08:38,115 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 15 [2021-10-13 08:08:38,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:38,115 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2021-10-13 08:08:38,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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) [2021-10-13 08:08:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2021-10-13 08:08:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 08:08:38,116 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:38,116 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:38,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 08:08:38,117 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:38,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:38,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1060650955, now seen corresponding path program 1 times [2021-10-13 08:08:38,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:38,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459123088] [2021-10-13 08:08:38,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:38,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:39,445 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:39,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459123088] [2021-10-13 08:08:39,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459123088] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:39,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:39,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-13 08:08:39,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806849608] [2021-10-13 08:08:39,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 08:08:39,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:39,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 08:08:39,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-10-13 08:08:39,446 INFO L87 Difference]: Start difference. First operand 54 states and 83 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-10-13 08:08:39,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:39,760 INFO L93 Difference]: Finished difference Result 78 states and 118 transitions. [2021-10-13 08:08:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 08:08:39,760 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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 [2021-10-13 08:08:39,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:39,761 INFO L225 Difference]: With dead ends: 78 [2021-10-13 08:08:39,761 INFO L226 Difference]: Without dead ends: 55 [2021-10-13 08:08:39,762 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 329.2ms TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-10-13 08:08:39,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-13 08:08:39,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2021-10-13 08:08:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 43 states have internal predecessors, (65), 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) [2021-10-13 08:08:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 65 transitions. [2021-10-13 08:08:39,763 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 65 transitions. Word has length 19 [2021-10-13 08:08:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:39,764 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 65 transitions. [2021-10-13 08:08:39,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 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) [2021-10-13 08:08:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2021-10-13 08:08:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 08:08:39,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:08:39,764 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:08:39,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 08:08:39,765 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 08:08:39,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:08:39,765 INFO L82 PathProgramCache]: Analyzing trace with hash -768120373, now seen corresponding path program 2 times [2021-10-13 08:08:39,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:08:39,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400120810] [2021-10-13 08:08:39,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:08:39,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:08:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:08:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:08:39,946 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:08:39,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400120810] [2021-10-13 08:08:39,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400120810] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:08:39,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:08:39,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 08:08:39,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875421785] [2021-10-13 08:08:39,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 08:08:39,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:08:39,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 08:08:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 08:08:39,948 INFO L87 Difference]: Start difference. First operand 44 states and 65 transitions. Second operand has 5 states, 4 states have (on average 4.75) 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) [2021-10-13 08:08:39,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:08:39,990 INFO L93 Difference]: Finished difference Result 43 states and 64 transitions. [2021-10-13 08:08:39,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 08:08:39,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) 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 [2021-10-13 08:08:39,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:08:39,991 INFO L225 Difference]: With dead ends: 43 [2021-10-13 08:08:39,991 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:08:39,991 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 08:08:39,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:08:39,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:08:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:08:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:08:39,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-10-13 08:08:39,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:08:39,993 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:08:39,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) 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) [2021-10-13 08:08:39,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:08:39,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:08:39,995 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:08:39,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:08:39,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 08:08:39,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 08:08:39,997 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:08:39,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 08:08:40,002 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 08:08:40,002 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:08:40,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:08:40 BasicIcfg [2021-10-13 08:08:40,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:08:40,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:08:40,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:08:40,005 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:08:40,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:08:21" (3/4) ... [2021-10-13 08:08:40,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:08:40,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-10-13 08:08:40,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-10-13 08:08:40,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2021-10-13 08:08:40,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-13 08:08:40,023 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-13 08:08:40,023 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 08:08:40,091 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:08:40,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:08:40,093 INFO L168 Benchmark]: Toolchain (without parser) took 22441.70 ms. Allocated memory was 98.6 MB in the beginning and 255.9 MB in the end (delta: 157.3 MB). Free memory was 60.2 MB in the beginning and 201.6 MB in the end (delta: -141.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:40,093 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 98.6 MB. Free memory was 78.5 MB in the beginning and 78.5 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:08:40,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.25 ms. Allocated memory is still 98.6 MB. Free memory was 60.0 MB in the beginning and 58.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:40,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.33 ms. Allocated memory is still 98.6 MB. Free memory was 58.5 MB in the beginning and 54.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:40,097 INFO L168 Benchmark]: Boogie Preprocessor took 51.83 ms. Allocated memory is still 98.6 MB. Free memory was 54.6 MB in the beginning and 51.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:40,098 INFO L168 Benchmark]: RCFGBuilder took 3198.56 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 51.7 MB in the beginning and 57.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:40,098 INFO L168 Benchmark]: TraceAbstraction took 18314.12 ms. Allocated memory was 125.8 MB in the beginning and 255.9 MB in the end (delta: 130.0 MB). Free memory was 56.9 MB in the beginning and 210.0 MB in the end (delta: -153.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:08:40,098 INFO L168 Benchmark]: Witness Printer took 87.09 ms. Allocated memory is still 255.9 MB. Free memory was 210.0 MB in the beginning and 201.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:40,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 98.6 MB. Free memory was 78.5 MB in the beginning and 78.5 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 689.25 ms. Allocated memory is still 98.6 MB. Free memory was 60.0 MB in the beginning and 58.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.33 ms. Allocated memory is still 98.6 MB. Free memory was 58.5 MB in the beginning and 54.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.83 ms. Allocated memory is still 98.6 MB. Free memory was 54.6 MB in the beginning and 51.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3198.56 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 51.7 MB in the beginning and 57.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 44.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18314.12 ms. Allocated memory was 125.8 MB in the beginning and 255.9 MB in the end (delta: 130.0 MB). Free memory was 56.9 MB in the beginning and 210.0 MB in the end (delta: -153.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 87.09 ms. Allocated memory is still 255.9 MB. Free memory was 210.0 MB in the beginning and 201.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8973.5ms, 96 PlacesBefore, 30 PlacesAfterwards, 91 TransitionsBefore, 24 TransitionsAfterwards, 1208 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 78 TotalNumberOfCompositions, 4153 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1769, positive: 1583, positive conditional: 0, positive unconditional: 1583, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 893, positive: 847, positive conditional: 0, positive unconditional: 847, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 893, positive: 820, positive conditional: 0, positive unconditional: 820, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 827, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 782, negative conditional: 0, negative unconditional: 782, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1769, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 893, unknown conditional: 0, unknown unconditional: 893] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 18114.7ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 23.9ms, AutomataDifference: 3253.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9082.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 261 SDtfs, 318 SDslu, 693 SDs, 0 SdLazy, 749 SolverSat, 196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1456.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 2263.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=0, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 135.9ms AutomataMinimizationTime, 11 MinimizatonAttempts, 75 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 71.3ms SsaConstructionTime, 1128.3ms SatisfiabilityAnalysisTime, 4123.8ms InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 1933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-13 08:08:40,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_391638f2-bc23-4688-a032-2821b3272cef/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...