./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE --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 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:41:20,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:41:20,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:41:20,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:41:20,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:41:20,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:41:20,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:41:20,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:41:20,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:41:20,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:41:20,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:41:20,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:41:20,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:41:20,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:41:20,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:41:20,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:41:20,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:41:20,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:41:20,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:41:20,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:41:20,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:41:20,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:41:20,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:41:20,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:41:20,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:41:20,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:41:20,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:41:20,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:41:20,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:41:20,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:41:20,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:41:20,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:41:20,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:41:20,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:41:20,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:41:20,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:41:20,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:41:20,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:41:20,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:41:20,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:41:20,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:41:20,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:41:20,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:41:20,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:41:20,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:41:20,361 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:41:20,362 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:41:20,362 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:41:20,362 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:41:20,363 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:41:20,363 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:41:20,363 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:41:20,364 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:41:20,364 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:41:20,365 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:41:20,365 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:41:20,365 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:41:20,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:41:20,367 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:41:20,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:41:20,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:41:20,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:41:20,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:41:20,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:41:20,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:41:20,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:41:20,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:41:20,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:41:20,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:41:20,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:41:20,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:41:20,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:41:20,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:20,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:41:20,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:41:20,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:41:20,373 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:41:20,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:41:20,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:41:20,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:41:20,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:41:20,374 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_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 [2021-10-24 09:41:20,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:41:20,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:41:20,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:41:20,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:41:20,721 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:41:20,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2021-10-24 09:41:20,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/data/21bbc4121/a38f2ff23d464118944a572847c83e43/FLAG0a0fd010b [2021-10-24 09:41:21,401 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:41:21,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2021-10-24 09:41:21,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/data/21bbc4121/a38f2ff23d464118944a572847c83e43/FLAG0a0fd010b [2021-10-24 09:41:21,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/data/21bbc4121/a38f2ff23d464118944a572847c83e43 [2021-10-24 09:41:21,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:41:21,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:41:21,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:21,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:41:21,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:41:21,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:21" (1/1) ... [2021-10-24 09:41:21,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e14fb20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:21, skipping insertion in model container [2021-10-24 09:41:21,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:21" (1/1) ... [2021-10-24 09:41:21,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:41:21,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:41:21,947 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_3a501e37-1104-4502-bde9-eb812e868266/sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2021-10-24 09:41:22,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:22,179 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:41:22,192 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_3a501e37-1104-4502-bde9-eb812e868266/sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2021-10-24 09:41:22,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:22,287 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:41:22,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22 WrapperNode [2021-10-24 09:41:22,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:22,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:41:22,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:41:22,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:41:22,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:41:22,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:41:22,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:41:22,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:41:22,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:41:22,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:41:22,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:41:22,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:41:22,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (1/1) ... [2021-10-24 09:41:22,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:22,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:41:22,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:41:22,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:41:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 09:41:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 09:41:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:41:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 09:41:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-24 09:41:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-24 09:41:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-24 09:41:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-24 09:41:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-24 09:41:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-24 09:41:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-24 09:41:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-24 09:41:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 09:41:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-24 09:41:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:41:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:41:22,506 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 09:41:24,765 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:41:24,765 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-24 09:41:24,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:24 BoogieIcfgContainer [2021-10-24 09:41:24,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:41:24,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:41:24,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:41:24,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:41:24,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:41:21" (1/3) ... [2021-10-24 09:41:24,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cafbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:41:24, skipping insertion in model container [2021-10-24 09:41:24,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:22" (2/3) ... [2021-10-24 09:41:24,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cafbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:41:24, skipping insertion in model container [2021-10-24 09:41:24,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:24" (3/3) ... [2021-10-24 09:41:24,780 INFO L111 eAbstractionObserver]: Analyzing ICFG mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2021-10-24 09:41:24,786 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-24 09:41:24,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:41:24,786 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-24 09:41:24,786 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-24 09:41:24,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,834 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,834 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,835 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,835 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,836 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,836 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,837 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,846 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,846 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,846 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,846 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,847 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,847 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,847 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,848 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,849 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,851 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,851 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,852 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,852 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,860 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,861 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,874 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,874 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,874 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,874 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,931 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,936 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,937 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,945 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,946 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,946 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,948 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,949 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,953 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,963 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,964 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 09:41:24,966 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-24 09:41:25,024 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:41:25,041 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 09:41:25,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-24 09:41:25,069 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-24 09:41:25,086 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 128 transitions, 276 flow [2021-10-24 09:41:25,089 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 128 transitions, 276 flow [2021-10-24 09:41:25,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 128 transitions, 276 flow [2021-10-24 09:41:25,165 INFO L129 PetriNetUnfolder]: 2/124 cut-off events. [2021-10-24 09:41:25,165 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-24 09:41:25,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2021-10-24 09:41:25,176 INFO L116 LiptonReduction]: Number of co-enabled transitions 3000 [2021-10-24 09:41:31,389 INFO L131 LiptonReduction]: Checked pairs total: 8611 [2021-10-24 09:41:31,389 INFO L133 LiptonReduction]: Total number of compositions: 102 [2021-10-24 09:41:31,397 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2021-10-24 09:41:31,617 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4374 states, 4371 states have (on average 4.132235186456189) internal successors, (18062), 4373 states have internal predecessors, (18062), 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) [2021-10-24 09:41:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 4374 states, 4371 states have (on average 4.132235186456189) internal successors, (18062), 4373 states have internal predecessors, (18062), 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) [2021-10-24 09:41:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-24 09:41:31,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:31,643 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-24 09:41:31,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:31,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1240886, now seen corresponding path program 1 times [2021-10-24 09:41:31,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:31,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824559981] [2021-10-24 09:41:31,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:31,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:31,876 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:31,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824559981] [2021-10-24 09:41:31,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824559981] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:31,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:31,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-24 09:41:31,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073291368] [2021-10-24 09:41:31,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:41:31,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:31,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:41:31,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:41:31,918 INFO L87 Difference]: Start difference. First operand has 4374 states, 4371 states have (on average 4.132235186456189) internal successors, (18062), 4373 states have internal predecessors, (18062), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-24 09:41:32,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:32,069 INFO L93 Difference]: Finished difference Result 3562 states and 13925 transitions. [2021-10-24 09:41:32,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:41:32,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-10-24 09:41:32,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:32,127 INFO L225 Difference]: With dead ends: 3562 [2021-10-24 09:41:32,128 INFO L226 Difference]: Without dead ends: 3437 [2021-10-24 09:41:32,129 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:41:32,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2021-10-24 09:41:32,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3437. [2021-10-24 09:41:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3437 states, 3436 states have (on average 3.928987194412107) internal successors, (13500), 3436 states have internal predecessors, (13500), 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) [2021-10-24 09:41:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 3437 states and 13500 transitions. [2021-10-24 09:41:32,456 INFO L78 Accepts]: Start accepts. Automaton has 3437 states and 13500 transitions. Word has length 3 [2021-10-24 09:41:32,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:32,456 INFO L470 AbstractCegarLoop]: Abstraction has 3437 states and 13500 transitions. [2021-10-24 09:41:32,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-24 09:41:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 13500 transitions. [2021-10-24 09:41:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-24 09:41:32,462 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:32,462 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:32,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 09:41:32,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:32,463 INFO L82 PathProgramCache]: Analyzing trace with hash 893586646, now seen corresponding path program 1 times [2021-10-24 09:41:32,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:32,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168526909] [2021-10-24 09:41:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:32,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:32,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:32,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168526909] [2021-10-24 09:41:32,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168526909] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:32,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:32,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 09:41:32,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734730846] [2021-10-24 09:41:32,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:41:32,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:32,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:41:32,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:41:32,666 INFO L87 Difference]: Start difference. First operand 3437 states and 13500 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:32,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:32,827 INFO L93 Difference]: Finished difference Result 6362 states and 23920 transitions. [2021-10-24 09:41:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:41:32,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-24 09:41:32,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:32,888 INFO L225 Difference]: With dead ends: 6362 [2021-10-24 09:41:32,889 INFO L226 Difference]: Without dead ends: 5131 [2021-10-24 09:41:32,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:41:32,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5131 states. [2021-10-24 09:41:33,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5131 to 4405. [2021-10-24 09:41:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4405 states, 4404 states have (on average 3.8521798365122617) internal successors, (16965), 4404 states have internal predecessors, (16965), 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) [2021-10-24 09:41:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4405 states to 4405 states and 16965 transitions. [2021-10-24 09:41:33,237 INFO L78 Accepts]: Start accepts. Automaton has 4405 states and 16965 transitions. Word has length 12 [2021-10-24 09:41:33,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:33,238 INFO L470 AbstractCegarLoop]: Abstraction has 4405 states and 16965 transitions. [2021-10-24 09:41:33,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 4405 states and 16965 transitions. [2021-10-24 09:41:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-24 09:41:33,246 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:33,246 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:33,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 09:41:33,247 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:33,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:33,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1041678189, now seen corresponding path program 1 times [2021-10-24 09:41:33,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:33,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946152816] [2021-10-24 09:41:33,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:33,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:33,383 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:33,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946152816] [2021-10-24 09:41:33,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946152816] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:33,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:33,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 09:41:33,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021470153] [2021-10-24 09:41:33,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:41:33,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:33,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:41:33,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:41:33,386 INFO L87 Difference]: Start difference. First operand 4405 states and 16965 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) [2021-10-24 09:41:33,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:33,480 INFO L93 Difference]: Finished difference Result 4112 states and 14204 transitions. [2021-10-24 09:41:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:41:33,481 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 [2021-10-24 09:41:33,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:33,517 INFO L225 Difference]: With dead ends: 4112 [2021-10-24 09:41:33,517 INFO L226 Difference]: Without dead ends: 3205 [2021-10-24 09:41:33,518 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:41:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2021-10-24 09:41:33,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3205. [2021-10-24 09:41:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3204 states have (on average 3.427278401997503) internal successors, (10981), 3204 states have internal predecessors, (10981), 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) [2021-10-24 09:41:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 10981 transitions. [2021-10-24 09:41:33,731 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 10981 transitions. Word has length 13 [2021-10-24 09:41:33,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:33,732 INFO L470 AbstractCegarLoop]: Abstraction has 3205 states and 10981 transitions. [2021-10-24 09:41:33,732 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) [2021-10-24 09:41:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 10981 transitions. [2021-10-24 09:41:33,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 09:41:33,738 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:33,738 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:33,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 09:41:33,738 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:33,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:33,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1136269245, now seen corresponding path program 1 times [2021-10-24 09:41:33,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:33,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882226380] [2021-10-24 09:41:33,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:33,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:33,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:33,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882226380] [2021-10-24 09:41:33,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882226380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:33,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:33,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 09:41:33,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092236043] [2021-10-24 09:41:33,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:41:33,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:33,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:41:33,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:41:33,926 INFO L87 Difference]: Start difference. First operand 3205 states and 10981 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:34,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:34,047 INFO L93 Difference]: Finished difference Result 3829 states and 12615 transitions. [2021-10-24 09:41:34,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 09:41:34,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 09:41:34,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:34,146 INFO L225 Difference]: With dead ends: 3829 [2021-10-24 09:41:34,146 INFO L226 Difference]: Without dead ends: 3481 [2021-10-24 09:41:34,146 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.4ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:41:34,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2021-10-24 09:41:34,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3169. [2021-10-24 09:41:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3169 states, 3168 states have (on average 3.4220328282828283) internal successors, (10841), 3168 states have internal predecessors, (10841), 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) [2021-10-24 09:41:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 3169 states and 10841 transitions. [2021-10-24 09:41:34,311 INFO L78 Accepts]: Start accepts. Automaton has 3169 states and 10841 transitions. Word has length 16 [2021-10-24 09:41:34,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:34,311 INFO L470 AbstractCegarLoop]: Abstraction has 3169 states and 10841 transitions. [2021-10-24 09:41:34,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 10841 transitions. [2021-10-24 09:41:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 09:41:34,317 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:34,317 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:34,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 09:41:34,318 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:34,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:34,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1874884995, now seen corresponding path program 1 times [2021-10-24 09:41:34,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:34,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195592942] [2021-10-24 09:41:34,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:34,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:34,460 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:34,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195592942] [2021-10-24 09:41:34,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195592942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:34,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:34,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 09:41:34,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298467134] [2021-10-24 09:41:34,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:41:34,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:34,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:41:34,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:41:34,464 INFO L87 Difference]: Start difference. First operand 3169 states and 10841 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:34,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:34,542 INFO L93 Difference]: Finished difference Result 2484 states and 7748 transitions. [2021-10-24 09:41:34,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 09:41:34,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 09:41:34,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:34,553 INFO L225 Difference]: With dead ends: 2484 [2021-10-24 09:41:34,554 INFO L226 Difference]: Without dead ends: 1937 [2021-10-24 09:41:34,554 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.8ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:41:34,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1937 states. [2021-10-24 09:41:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1937 to 1907. [2021-10-24 09:41:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1907 states, 1906 states have (on average 3.060335781741868) internal successors, (5833), 1906 states have internal predecessors, (5833), 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) [2021-10-24 09:41:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1907 states and 5833 transitions. [2021-10-24 09:41:34,641 INFO L78 Accepts]: Start accepts. Automaton has 1907 states and 5833 transitions. Word has length 16 [2021-10-24 09:41:34,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:34,642 INFO L470 AbstractCegarLoop]: Abstraction has 1907 states and 5833 transitions. [2021-10-24 09:41:34,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 5833 transitions. [2021-10-24 09:41:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 09:41:34,648 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:34,648 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:34,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 09:41:34,649 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:34,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:34,649 INFO L82 PathProgramCache]: Analyzing trace with hash 481536310, now seen corresponding path program 1 times [2021-10-24 09:41:34,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:34,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202342738] [2021-10-24 09:41:34,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:34,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:34,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:34,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202342738] [2021-10-24 09:41:34,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202342738] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:34,812 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:34,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 09:41:34,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87799270] [2021-10-24 09:41:34,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:41:34,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:34,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:41:34,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:41:34,814 INFO L87 Difference]: Start difference. First operand 1907 states and 5833 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-24 09:41:34,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:34,874 INFO L93 Difference]: Finished difference Result 2684 states and 8012 transitions. [2021-10-24 09:41:34,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 09:41:34,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2021-10-24 09:41:34,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:34,881 INFO L225 Difference]: With dead ends: 2684 [2021-10-24 09:41:34,882 INFO L226 Difference]: Without dead ends: 1538 [2021-10-24 09:41:34,882 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.1ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:41:34,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2021-10-24 09:41:34,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1363. [2021-10-24 09:41:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1362 states have (on average 2.963289280469897) internal successors, (4036), 1362 states have internal predecessors, (4036), 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) [2021-10-24 09:41:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 4036 transitions. [2021-10-24 09:41:34,932 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 4036 transitions. Word has length 20 [2021-10-24 09:41:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:34,932 INFO L470 AbstractCegarLoop]: Abstraction has 1363 states and 4036 transitions. [2021-10-24 09:41:34,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-24 09:41:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 4036 transitions. [2021-10-24 09:41:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 09:41:34,939 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:34,939 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:34,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-24 09:41:34,939 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:34,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:34,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1765349366, now seen corresponding path program 1 times [2021-10-24 09:41:34,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:34,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398057661] [2021-10-24 09:41:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:34,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:35,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:35,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398057661] [2021-10-24 09:41:35,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398057661] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:35,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:35,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-24 09:41:35,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023586174] [2021-10-24 09:41:35,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:41:35,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:35,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:41:35,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:41:35,101 INFO L87 Difference]: Start difference. First operand 1363 states and 4036 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-24 09:41:35,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:35,162 INFO L93 Difference]: Finished difference Result 1116 states and 3270 transitions. [2021-10-24 09:41:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 09:41:35,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2021-10-24 09:41:35,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:35,167 INFO L225 Difference]: With dead ends: 1116 [2021-10-24 09:41:35,167 INFO L226 Difference]: Without dead ends: 1003 [2021-10-24 09:41:35,168 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.4ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:41:35,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2021-10-24 09:41:35,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 1003. [2021-10-24 09:41:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 1002 states have (on average 2.972055888223553) internal successors, (2978), 1002 states have internal predecessors, (2978), 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) [2021-10-24 09:41:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 2978 transitions. [2021-10-24 09:41:35,204 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 2978 transitions. Word has length 20 [2021-10-24 09:41:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:35,204 INFO L470 AbstractCegarLoop]: Abstraction has 1003 states and 2978 transitions. [2021-10-24 09:41:35,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-24 09:41:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 2978 transitions. [2021-10-24 09:41:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 09:41:35,208 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:35,208 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:35,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-24 09:41:35,209 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:35,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:35,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1703743331, now seen corresponding path program 1 times [2021-10-24 09:41:35,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:35,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389248394] [2021-10-24 09:41:35,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:35,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:35,392 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:35,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389248394] [2021-10-24 09:41:35,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389248394] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:35,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:35,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 09:41:35,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468134781] [2021-10-24 09:41:35,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:41:35,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:35,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:41:35,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 09:41:35,395 INFO L87 Difference]: Start difference. First operand 1003 states and 2978 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-10-24 09:41:35,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:35,502 INFO L93 Difference]: Finished difference Result 1563 states and 4546 transitions. [2021-10-24 09:41:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 09:41:35,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2021-10-24 09:41:35,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:35,507 INFO L225 Difference]: With dead ends: 1563 [2021-10-24 09:41:35,507 INFO L226 Difference]: Without dead ends: 1369 [2021-10-24 09:41:35,508 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 48.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-24 09:41:35,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2021-10-24 09:41:35,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1126. [2021-10-24 09:41:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 1125 states have (on average 2.92) internal successors, (3285), 1125 states have internal predecessors, (3285), 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) [2021-10-24 09:41:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 3285 transitions. [2021-10-24 09:41:35,549 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 3285 transitions. Word has length 24 [2021-10-24 09:41:35,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:35,549 INFO L470 AbstractCegarLoop]: Abstraction has 1126 states and 3285 transitions. [2021-10-24 09:41:35,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-10-24 09:41:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3285 transitions. [2021-10-24 09:41:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 09:41:35,553 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:35,554 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:35,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-24 09:41:35,554 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:35,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:35,555 INFO L82 PathProgramCache]: Analyzing trace with hash -479710033, now seen corresponding path program 2 times [2021-10-24 09:41:35,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:35,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763066370] [2021-10-24 09:41:35,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:35,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:35,753 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:35,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763066370] [2021-10-24 09:41:35,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763066370] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:35,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:35,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 09:41:35,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658496806] [2021-10-24 09:41:35,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 09:41:35,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:35,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 09:41:35,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:41:35,755 INFO L87 Difference]: Start difference. First operand 1126 states and 3285 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2021-10-24 09:41:36,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:36,126 INFO L93 Difference]: Finished difference Result 1975 states and 5592 transitions. [2021-10-24 09:41:36,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 09:41:36,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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 24 [2021-10-24 09:41:36,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:36,131 INFO L225 Difference]: With dead ends: 1975 [2021-10-24 09:41:36,132 INFO L226 Difference]: Without dead ends: 1229 [2021-10-24 09:41:36,132 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 128.0ms TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-10-24 09:41:36,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2021-10-24 09:41:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 947. [2021-10-24 09:41:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 946 states have (on average 2.799154334038055) internal successors, (2648), 946 states have internal predecessors, (2648), 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) [2021-10-24 09:41:36,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 2648 transitions. [2021-10-24 09:41:36,168 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 2648 transitions. Word has length 24 [2021-10-24 09:41:36,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:36,168 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 2648 transitions. [2021-10-24 09:41:36,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2021-10-24 09:41:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 2648 transitions. [2021-10-24 09:41:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 09:41:36,172 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:36,172 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:36,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-24 09:41:36,173 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:36,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:36,173 INFO L82 PathProgramCache]: Analyzing trace with hash 695571165, now seen corresponding path program 3 times [2021-10-24 09:41:36,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:36,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906364197] [2021-10-24 09:41:36,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:36,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:36,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:36,266 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:36,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906364197] [2021-10-24 09:41:36,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906364197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:36,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:36,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 09:41:36,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136027419] [2021-10-24 09:41:36,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 09:41:36,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:36,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 09:41:36,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:41:36,269 INFO L87 Difference]: Start difference. First operand 947 states and 2648 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-24 09:41:36,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:36,326 INFO L93 Difference]: Finished difference Result 902 states and 2558 transitions. [2021-10-24 09:41:36,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 09:41:36,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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 24 [2021-10-24 09:41:36,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:36,329 INFO L225 Difference]: With dead ends: 902 [2021-10-24 09:41:36,329 INFO L226 Difference]: Without dead ends: 421 [2021-10-24 09:41:36,330 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 22.3ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-24 09:41:36,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-24 09:41:36,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-24 09:41:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 2.8095238095238093) internal successors, (1180), 420 states have internal predecessors, (1180), 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) [2021-10-24 09:41:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 1180 transitions. [2021-10-24 09:41:36,343 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 1180 transitions. Word has length 24 [2021-10-24 09:41:36,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:36,344 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 1180 transitions. [2021-10-24 09:41:36,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-10-24 09:41:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1180 transitions. [2021-10-24 09:41:36,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 09:41:36,361 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:36,361 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:36,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-24 09:41:36,362 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:36,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:36,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1139262634, now seen corresponding path program 1 times [2021-10-24 09:41:36,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:36,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447111806] [2021-10-24 09:41:36,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:36,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:36,644 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 09:41:36,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447111806] [2021-10-24 09:41:36,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447111806] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:36,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:36,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-24 09:41:36,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248080812] [2021-10-24 09:41:36,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-24 09:41:36,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 09:41:36,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-24 09:41:36,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-24 09:41:36,646 INFO L87 Difference]: Start difference. First operand 421 states and 1180 transitions. Second operand has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-10-24 09:41:36,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:36,860 INFO L93 Difference]: Finished difference Result 683 states and 1873 transitions. [2021-10-24 09:41:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 09:41:36,861 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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 28 [2021-10-24 09:41:36,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:36,862 INFO L225 Difference]: With dead ends: 683 [2021-10-24 09:41:36,863 INFO L226 Difference]: Without dead ends: 418 [2021-10-24 09:41:36,863 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 110.7ms TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-10-24 09:41:36,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-10-24 09:41:36,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 261. [2021-10-24 09:41:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 260 states have (on average 2.5076923076923077) internal successors, (652), 260 states have internal predecessors, (652), 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) [2021-10-24 09:41:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 652 transitions. [2021-10-24 09:41:36,875 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 652 transitions. Word has length 28 [2021-10-24 09:41:36,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:36,875 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 652 transitions. [2021-10-24 09:41:36,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 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) [2021-10-24 09:41:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 652 transitions. [2021-10-24 09:41:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 09:41:36,878 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:36,878 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:36,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-24 09:41:36,879 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 09:41:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:36,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1614215018, now seen corresponding path program 2 times [2021-10-24 09:41:36,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:36,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018493149] [2021-10-24 09:41:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:36,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:41:37,007 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 09:41:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:41:37,187 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 09:41:37,187 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 09:41:37,188 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:41:37,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:41:37,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-24 09:41:37,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-24 09:41:37,190 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-24 09:41:37,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-24 09:41:37,191 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:41:37,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-24 09:41:37,197 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-24 09:41:37,197 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:41:37,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:41:37 BasicIcfg [2021-10-24 09:41:37,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:41:37,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:41:37,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:41:37,379 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:41:37,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:24" (3/4) ... [2021-10-24 09:41:37,381 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 09:41:37,554 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 09:41:37,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:41:37,556 INFO L168 Benchmark]: Toolchain (without parser) took 15863.50 ms. Allocated memory was 117.4 MB in the beginning and 404.8 MB in the end (delta: 287.3 MB). Free memory was 78.6 MB in the beginning and 259.6 MB in the end (delta: -180.9 MB). Peak memory consumption was 106.2 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:37,557 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 117.4 MB. Free memory was 96.5 MB in the beginning and 96.4 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:41:37,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.26 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 79.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:37,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.07 ms. Allocated memory is still 117.4 MB. Free memory was 79.5 MB in the beginning and 76.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:37,558 INFO L168 Benchmark]: Boogie Preprocessor took 41.41 ms. Allocated memory is still 117.4 MB. Free memory was 76.8 MB in the beginning and 74.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:37,559 INFO L168 Benchmark]: RCFGBuilder took 2379.54 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 74.3 MB in the beginning and 89.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:37,559 INFO L168 Benchmark]: TraceAbstraction took 12605.17 ms. Allocated memory was 165.7 MB in the beginning and 404.8 MB in the end (delta: 239.1 MB). Free memory was 88.2 MB in the beginning and 284.7 MB in the end (delta: -196.5 MB). Peak memory consumption was 155.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:37,560 INFO L168 Benchmark]: Witness Printer took 175.96 ms. Allocated memory is still 404.8 MB. Free memory was 284.7 MB in the beginning and 259.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:37,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 117.4 MB. Free memory was 96.5 MB in the beginning and 96.4 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.26 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 79.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.07 ms. Allocated memory is still 117.4 MB. Free memory was 79.5 MB in the beginning and 76.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.41 ms. Allocated memory is still 117.4 MB. Free memory was 76.8 MB in the beginning and 74.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2379.54 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 74.3 MB in the beginning and 89.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12605.17 ms. Allocated memory was 165.7 MB in the beginning and 404.8 MB in the end (delta: 239.1 MB). Free memory was 88.2 MB in the beginning and 284.7 MB in the end (delta: -196.5 MB). Peak memory consumption was 155.6 MB. Max. memory is 16.1 GB. * Witness Printer took 175.96 ms. Allocated memory is still 404.8 MB. Free memory was 284.7 MB in the beginning and 259.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6299.8ms, 139 PlacesBefore, 47 PlacesAfterwards, 128 TransitionsBefore, 35 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 102 TotalNumberOfCompositions, 8611 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4029, positive: 3806, positive conditional: 0, positive unconditional: 3806, negative: 223, negative conditional: 0, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2103, positive: 2043, positive conditional: 0, positive unconditional: 2043, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2103, positive: 2017, positive conditional: 0, positive unconditional: 2017, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 528, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 492, negative conditional: 0, negative unconditional: 492, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4029, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 2103, unknown conditional: 0, unknown unconditional: 2103] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 208, Positive conditional cache size: 0, Positive unconditional cache size: 208, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff0_thd3; [L725] 0 _Bool a$r_buff0_thd4; [L726] 0 _Bool a$r_buff1_thd0; [L727] 0 _Bool a$r_buff1_thd1; [L728] 0 _Bool a$r_buff1_thd2; [L729] 0 _Bool a$r_buff1_thd3; [L730] 0 _Bool a$r_buff1_thd4; [L731] 0 _Bool a$read_delayed; [L732] 0 int *a$read_delayed_var; [L733] 0 int a$w_buff0; [L734] 0 _Bool a$w_buff0_used; [L735] 0 int a$w_buff1; [L736] 0 _Bool a$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L861] 0 pthread_t t1353; [L862] FCALL, FORK 0 pthread_create(&t1353, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 a$w_buff1 = a$w_buff0 [L751] 1 a$w_buff0 = 1 [L752] 1 a$w_buff1_used = a$w_buff0_used [L753] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L755] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L756] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L757] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L758] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L759] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L863] 0 pthread_t t1354; [L864] FCALL, FORK 0 pthread_create(&t1354, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L865] 0 pthread_t t1355; [L866] FCALL, FORK 0 pthread_create(&t1355, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L867] 0 pthread_t t1356; [L780] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L783] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L786] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L786] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L787] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L787] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L788] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L789] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L790] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L800] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L803] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L806] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L806] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L807] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L807] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L808] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L809] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L810] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L815] 3 return 0; [L868] FCALL, FORK 0 pthread_create(&t1356, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L820] 4 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L823] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L824] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L825] 4 a$flush_delayed = weak$$choice2 [L826] 4 a$mem_tmp = a [L827] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L827] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L828] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L828] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L828] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L828] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L829] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L829] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L829] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L829] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L830] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L830] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L830] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L830] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L831] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L831] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L832] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L832] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L832] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L833] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L833] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 __unbuffered_p3_EAX = a [L835] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L835] 4 a = a$flush_delayed ? a$mem_tmp : a [L836] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L766] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L768] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L770] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L839] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L839] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L840] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L840] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L841] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L842] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L843] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L846] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L848] 4 return 0; [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; [L870] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L874] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L874] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L874] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L874] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L875] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L875] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L876] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L877] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L878] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L881] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 866]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 164 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 12171.6ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 74.6ms, AutomataDifference: 1828.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6576.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 551 SDtfs, 726 SDslu, 1212 SDs, 0 SdLazy, 446 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 634.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 447.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4405occurred in iteration=2, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1312.6ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1925 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 54.6ms SsaConstructionTime, 723.4ms SatisfiabilityAnalysisTime, 1115.7ms InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 1445 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-24 09:41:37,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a501e37-1104-4502-bde9-eb812e868266/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...