./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix037_power.oepc_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_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/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_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/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_673369b6-2ca1-4849-a308-70183768d880/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 82646a2180350347ed217a12e2836ec5fdce4b0371f5e0f7afa776fd6812fa0f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:47:55,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:47:55,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:47:55,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:47:55,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:47:55,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:47:55,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:47:55,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:47:55,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:47:55,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:47:55,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:47:55,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:47:55,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:47:55,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:47:55,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:47:55,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:47:55,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:47:55,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:47:55,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:47:55,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:47:55,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:47:55,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:47:55,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:47:55,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:47:55,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:47:55,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:47:55,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:47:55,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:47:55,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:47:55,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:47:55,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:47:55,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:47:55,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:47:55,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:47:55,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:47:55,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:47:55,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:47:55,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:47:55,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:47:55,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:47:55,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:47:55,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:47:55,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:47:55,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:47:55,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:47:55,608 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:47:55,609 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:47:55,609 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:47:55,609 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:47:55,609 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:47:55,617 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:47:55,617 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:47:55,618 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:47:55,618 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:47:55,619 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:47:55,619 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:47:55,619 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:47:55,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:47:55,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:47:55,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:47:55,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:47:55,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:47:55,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:47:55,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:47:55,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:47:55,622 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:47:55,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:47:55,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:47:55,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:47:55,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:47:55,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:47:55,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:47:55,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:47:55,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:47:55,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:47:55,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:47:55,626 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:47:55,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:47:55,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:47:55,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:47:55,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:47:55,627 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_673369b6-2ca1-4849-a308-70183768d880/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82646a2180350347ed217a12e2836ec5fdce4b0371f5e0f7afa776fd6812fa0f [2021-10-24 10:47:55,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:47:55,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:47:55,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:47:55,986 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:47:55,987 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:47:55,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i [2021-10-24 10:47:56,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/data/2cd39b052/2b416533c299409e91264690f42e31d2/FLAGe7292bb25 [2021-10-24 10:47:56,675 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:47:56,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i [2021-10-24 10:47:56,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/data/2cd39b052/2b416533c299409e91264690f42e31d2/FLAGe7292bb25 [2021-10-24 10:47:56,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/data/2cd39b052/2b416533c299409e91264690f42e31d2 [2021-10-24 10:47:56,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:47:56,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:47:56,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:47:56,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:47:56,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:47:56,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:47:56" (1/1) ... [2021-10-24 10:47:56,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e8e78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:56, skipping insertion in model container [2021-10-24 10:47:56,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:47:56" (1/1) ... [2021-10-24 10:47:56,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:47:57,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:47:57,290 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_673369b6-2ca1-4849-a308-70183768d880/sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-10-24 10:47:57,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:47:57,568 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:47:57,580 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_673369b6-2ca1-4849-a308-70183768d880/sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-10-24 10:47:57,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:47:57,715 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:47:57,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57 WrapperNode [2021-10-24 10:47:57,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:47:57,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:47:57,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:47:57,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:47:57,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:47:57,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:47:57,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:47:57,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:47:57,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:47:57,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:47:57,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:47:57,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:47:57,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (1/1) ... [2021-10-24 10:47:57,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:47:57,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:47:57,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:47:57,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:47:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 10:47:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 10:47:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:47:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:47:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-24 10:47:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-24 10:47:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-24 10:47:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-24 10:47:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-24 10:47:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-24 10:47:57,956 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-24 10:47:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-24 10:47:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:47:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-24 10:47:57,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:47:57,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:47:57,959 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 10:48:00,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:48:00,128 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-24 10:48:00,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:00 BoogieIcfgContainer [2021-10-24 10:48:00,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:48:00,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:48:00,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:48:00,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:48:00,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:47:56" (1/3) ... [2021-10-24 10:48:00,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7919ee4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:00, skipping insertion in model container [2021-10-24 10:48:00,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:57" (2/3) ... [2021-10-24 10:48:00,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7919ee4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:00, skipping insertion in model container [2021-10-24 10:48:00,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:00" (3/3) ... [2021-10-24 10:48:00,146 INFO L111 eAbstractionObserver]: Analyzing ICFG mix037_power.oepc_pso.oepc_rmo.oepc.i [2021-10-24 10:48:00,151 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-24 10:48:00,152 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:48:00,152 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-24 10:48:00,152 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-24 10:48:00,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,200 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,200 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,200 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,201 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,201 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,201 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,202 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,202 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,203 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,203 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,203 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,204 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,210 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,210 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,211 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,211 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,212 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,212 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,219 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,219 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,220 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,220 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,222 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,236 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,237 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,237 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,237 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,237 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,238 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,238 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,239 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,242 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,243 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,244 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,245 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,246 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,246 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,247 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,247 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,248 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,248 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,248 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,248 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,248 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,248 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,249 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,249 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,249 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,249 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,249 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,249 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,250 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,250 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,251 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,251 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,251 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,252 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,261 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,265 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,267 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,267 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,272 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,276 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,276 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,276 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,278 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,280 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,281 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,281 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,281 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,281 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,281 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,284 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,284 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,292 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,295 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:48:00,299 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-24 10:48:00,351 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:48:00,360 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 10:48:00,361 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-24 10:48:00,383 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-24 10:48:00,400 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 132 transitions, 284 flow [2021-10-24 10:48:00,403 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 132 transitions, 284 flow [2021-10-24 10:48:00,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 132 transitions, 284 flow [2021-10-24 10:48:00,477 INFO L129 PetriNetUnfolder]: 2/128 cut-off events. [2021-10-24 10:48:00,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-24 10:48:00,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-10-24 10:48:00,489 INFO L116 LiptonReduction]: Number of co-enabled transitions 3208 [2021-10-24 10:48:06,828 INFO L131 LiptonReduction]: Checked pairs total: 9065 [2021-10-24 10:48:06,829 INFO L133 LiptonReduction]: Total number of compositions: 111 [2021-10-24 10:48:06,846 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2021-10-24 10:48:07,092 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4274 states, 4271 states have (on average 4.015921329899321) internal successors, (17152), 4273 states have internal predecessors, (17152), 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 10:48:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 4274 states, 4271 states have (on average 4.015921329899321) internal successors, (17152), 4273 states have internal predecessors, (17152), 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 10:48:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-24 10:48:07,117 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:07,118 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-24 10:48:07,118 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 10:48:07,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:07,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1258496, now seen corresponding path program 1 times [2021-10-24 10:48:07,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:07,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330413175] [2021-10-24 10:48:07,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:07,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:07,374 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 10:48:07,375 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:07,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330413175] [2021-10-24 10:48:07,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330413175] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:07,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:07,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-24 10:48:07,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271063390] [2021-10-24 10:48:07,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:48:07,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:07,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:48:07,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:48:07,415 INFO L87 Difference]: Start difference. First operand has 4274 states, 4271 states have (on average 4.015921329899321) internal successors, (17152), 4273 states have internal predecessors, (17152), 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 10:48:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:07,553 INFO L93 Difference]: Finished difference Result 3462 states and 13465 transitions. [2021-10-24 10:48:07,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:48:07,555 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 10:48:07,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:07,608 INFO L225 Difference]: With dead ends: 3462 [2021-10-24 10:48:07,609 INFO L226 Difference]: Without dead ends: 3312 [2021-10-24 10:48:07,610 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:48:07,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2021-10-24 10:48:07,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2021-10-24 10:48:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3311 states have (on average 3.9112050739957716) internal successors, (12950), 3311 states have internal predecessors, (12950), 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 10:48:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2021-10-24 10:48:07,940 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2021-10-24 10:48:07,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:07,941 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2021-10-24 10:48:07,941 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 10:48:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2021-10-24 10:48:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-24 10:48:07,945 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:07,945 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:07,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 10:48:07,946 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 10:48:07,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:07,950 INFO L82 PathProgramCache]: Analyzing trace with hash -262114298, now seen corresponding path program 1 times [2021-10-24 10:48:07,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:07,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940233019] [2021-10-24 10:48:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:07,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:08,176 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 10:48:08,176 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:08,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940233019] [2021-10-24 10:48:08,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940233019] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:08,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:08,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-24 10:48:08,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299046225] [2021-10-24 10:48:08,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:48:08,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:08,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:48:08,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:48:08,190 INFO L87 Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:08,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:08,286 INFO L93 Difference]: Finished difference Result 5206 states and 19638 transitions. [2021-10-24 10:48:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:48:08,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-24 10:48:08,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:08,348 INFO L225 Difference]: With dead ends: 5206 [2021-10-24 10:48:08,349 INFO L226 Difference]: Without dead ends: 4963 [2021-10-24 10:48:08,349 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:48:08,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2021-10-24 10:48:08,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4525. [2021-10-24 10:48:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4525 states, 4524 states have (on average 3.84526967285588) internal successors, (17396), 4524 states have internal predecessors, (17396), 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 10:48:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4525 states to 4525 states and 17396 transitions. [2021-10-24 10:48:08,683 INFO L78 Accepts]: Start accepts. Automaton has 4525 states and 17396 transitions. Word has length 11 [2021-10-24 10:48:08,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:08,684 INFO L470 AbstractCegarLoop]: Abstraction has 4525 states and 17396 transitions. [2021-10-24 10:48:08,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4525 states and 17396 transitions. [2021-10-24 10:48:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-24 10:48:08,689 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:08,689 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:08,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 10:48:08,690 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 10:48:08,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:08,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899556, now seen corresponding path program 1 times [2021-10-24 10:48:08,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:08,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896839377] [2021-10-24 10:48:08,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:08,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:08,827 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 10:48:08,827 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:08,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896839377] [2021-10-24 10:48:08,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896839377] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:08,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:08,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 10:48:08,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517815925] [2021-10-24 10:48:08,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:48:08,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:08,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:48:08,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:08,835 INFO L87 Difference]: Start difference. First operand 4525 states and 17396 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 10:48:08,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:08,930 INFO L93 Difference]: Finished difference Result 4595 states and 17297 transitions. [2021-10-24 10:48:08,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:48:08,930 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 10:48:08,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:09,002 INFO L225 Difference]: With dead ends: 4595 [2021-10-24 10:48:09,003 INFO L226 Difference]: Without dead ends: 4595 [2021-10-24 10:48:09,003 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:09,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4595 states. [2021-10-24 10:48:09,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4595 to 3719. [2021-10-24 10:48:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3719 states, 3718 states have (on average 3.839160839160839) internal successors, (14274), 3718 states have internal predecessors, (14274), 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 10:48:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 14274 transitions. [2021-10-24 10:48:09,270 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 14274 transitions. Word has length 12 [2021-10-24 10:48:09,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:09,270 INFO L470 AbstractCegarLoop]: Abstraction has 3719 states and 14274 transitions. [2021-10-24 10:48:09,271 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 10:48:09,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 14274 transitions. [2021-10-24 10:48:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-24 10:48:09,275 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:09,275 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:09,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 10:48:09,275 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 10:48:09,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:09,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1497906588, now seen corresponding path program 1 times [2021-10-24 10:48:09,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:09,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730738288] [2021-10-24 10:48:09,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:09,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:09,349 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 10:48:09,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:09,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730738288] [2021-10-24 10:48:09,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730738288] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:09,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:09,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 10:48:09,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367050031] [2021-10-24 10:48:09,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:48:09,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:09,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:48:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:09,353 INFO L87 Difference]: Start difference. First operand 3719 states and 14274 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:09,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:09,519 INFO L93 Difference]: Finished difference Result 4495 states and 16922 transitions. [2021-10-24 10:48:09,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:48:09,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-24 10:48:09,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:09,551 INFO L225 Difference]: With dead ends: 4495 [2021-10-24 10:48:09,551 INFO L226 Difference]: Without dead ends: 4495 [2021-10-24 10:48:09,551 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:09,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4495 states. [2021-10-24 10:48:09,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4495 to 3679. [2021-10-24 10:48:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3679 states, 3678 states have (on average 3.8314301250679716) internal successors, (14092), 3678 states have internal predecessors, (14092), 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 10:48:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 3679 states and 14092 transitions. [2021-10-24 10:48:09,760 INFO L78 Accepts]: Start accepts. Automaton has 3679 states and 14092 transitions. Word has length 13 [2021-10-24 10:48:09,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:09,761 INFO L470 AbstractCegarLoop]: Abstraction has 3679 states and 14092 transitions. [2021-10-24 10:48:09,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 14092 transitions. [2021-10-24 10:48:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-24 10:48:09,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:09,764 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:09,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 10:48:09,765 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 10:48:09,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:09,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1411093518, now seen corresponding path program 1 times [2021-10-24 10:48:09,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:09,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588142710] [2021-10-24 10:48:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:09,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:09,949 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 10:48:09,949 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:09,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588142710] [2021-10-24 10:48:09,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588142710] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:09,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:09,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:48:09,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858949949] [2021-10-24 10:48:09,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:48:09,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:09,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:48:09,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:09,952 INFO L87 Difference]: Start difference. First operand 3679 states and 14092 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:10,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:10,100 INFO L93 Difference]: Finished difference Result 3680 states and 12755 transitions. [2021-10-24 10:48:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:48:10,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-24 10:48:10,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:10,113 INFO L225 Difference]: With dead ends: 3680 [2021-10-24 10:48:10,134 INFO L226 Difference]: Without dead ends: 2711 [2021-10-24 10:48:10,134 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:48:10,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2021-10-24 10:48:10,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 2711. [2021-10-24 10:48:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2711 states, 2710 states have (on average 3.4199261992619925) internal successors, (9268), 2710 states have internal predecessors, (9268), 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 10:48:10,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 9268 transitions. [2021-10-24 10:48:10,332 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 9268 transitions. Word has length 14 [2021-10-24 10:48:10,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:10,333 INFO L470 AbstractCegarLoop]: Abstraction has 2711 states and 9268 transitions. [2021-10-24 10:48:10,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 9268 transitions. [2021-10-24 10:48:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:48:10,339 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:10,339 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:10,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 10:48:10,339 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 10:48:10,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:10,340 INFO L82 PathProgramCache]: Analyzing trace with hash -2064850396, now seen corresponding path program 1 times [2021-10-24 10:48:10,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:10,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184180348] [2021-10-24 10:48:10,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:10,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:10,430 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 10:48:10,430 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:10,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184180348] [2021-10-24 10:48:10,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184180348] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:10,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:10,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 10:48:10,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863523887] [2021-10-24 10:48:10,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:48:10,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:10,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:48:10,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:48:10,433 INFO L87 Difference]: Start difference. First operand 2711 states and 9268 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:10,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:10,508 INFO L93 Difference]: Finished difference Result 2286 states and 7211 transitions. [2021-10-24 10:48:10,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:48:10,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 10:48:10,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:10,517 INFO L225 Difference]: With dead ends: 2286 [2021-10-24 10:48:10,518 INFO L226 Difference]: Without dead ends: 1717 [2021-10-24 10:48:10,518 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 16.0ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:48:10,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2021-10-24 10:48:10,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1705. [2021-10-24 10:48:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1704 states have (on average 3.0938967136150235) internal successors, (5272), 1704 states have internal predecessors, (5272), 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 10:48:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 5272 transitions. [2021-10-24 10:48:10,585 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 5272 transitions. Word has length 17 [2021-10-24 10:48:10,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:10,585 INFO L470 AbstractCegarLoop]: Abstraction has 1705 states and 5272 transitions. [2021-10-24 10:48:10,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 5272 transitions. [2021-10-24 10:48:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 10:48:10,591 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:10,591 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 10:48:10,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-24 10:48:10,592 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 10:48:10,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:10,593 INFO L82 PathProgramCache]: Analyzing trace with hash 13378263, now seen corresponding path program 1 times [2021-10-24 10:48:10,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:10,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408741506] [2021-10-24 10:48:10,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:10,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:10,810 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 10:48:10,811 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:10,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408741506] [2021-10-24 10:48:10,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408741506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:10,812 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:10,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-24 10:48:10,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45028069] [2021-10-24 10:48:10,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:48:10,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:10,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:48:10,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:48:10,815 INFO L87 Difference]: Start difference. First operand 1705 states and 5272 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 10:48:10,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:10,882 INFO L93 Difference]: Finished difference Result 1500 states and 4615 transitions. [2021-10-24 10:48:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 10:48:10,883 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 10:48:10,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:10,889 INFO L225 Difference]: With dead ends: 1500 [2021-10-24 10:48:10,889 INFO L226 Difference]: Without dead ends: 1331 [2021-10-24 10:48:10,890 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.6ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:48:10,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2021-10-24 10:48:11,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1259. [2021-10-24 10:48:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1258 states have (on average 3.1176470588235294) internal successors, (3922), 1258 states have internal predecessors, (3922), 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 10:48:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 3922 transitions. [2021-10-24 10:48:11,012 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 3922 transitions. Word has length 20 [2021-10-24 10:48:11,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:11,012 INFO L470 AbstractCegarLoop]: Abstraction has 1259 states and 3922 transitions. [2021-10-24 10:48:11,012 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 10:48:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 3922 transitions. [2021-10-24 10:48:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:48:11,017 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:11,017 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 10:48:11,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-24 10:48:11,018 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 10:48:11,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:11,018 INFO L82 PathProgramCache]: Analyzing trace with hash 889966551, now seen corresponding path program 1 times [2021-10-24 10:48:11,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:11,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138274913] [2021-10-24 10:48:11,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:11,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:11,202 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 10:48:11,202 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:11,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138274913] [2021-10-24 10:48:11,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138274913] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:11,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:11,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 10:48:11,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643573553] [2021-10-24 10:48:11,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:48:11,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:11,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:48:11,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:48:11,205 INFO L87 Difference]: Start difference. First operand 1259 states and 3922 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 10:48:11,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:11,272 INFO L93 Difference]: Finished difference Result 2145 states and 6602 transitions. [2021-10-24 10:48:11,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:48:11,273 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 10:48:11,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:11,279 INFO L225 Difference]: With dead ends: 2145 [2021-10-24 10:48:11,279 INFO L226 Difference]: Without dead ends: 1559 [2021-10-24 10:48:11,279 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.5ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:48:11,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2021-10-24 10:48:11,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1165. [2021-10-24 10:48:11,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 1164 states have (on average 3.0060137457044673) internal successors, (3499), 1164 states have internal predecessors, (3499), 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 10:48:11,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 3499 transitions. [2021-10-24 10:48:11,319 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 3499 transitions. Word has length 24 [2021-10-24 10:48:11,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:11,319 INFO L470 AbstractCegarLoop]: Abstraction has 1165 states and 3499 transitions. [2021-10-24 10:48:11,319 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 10:48:11,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 3499 transitions. [2021-10-24 10:48:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:48:11,323 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:11,323 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 10:48:11,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-24 10:48:11,324 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 10:48:11,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:11,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1108327010, now seen corresponding path program 1 times [2021-10-24 10:48:11,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:11,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560068073] [2021-10-24 10:48:11,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:11,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:11,413 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 10:48:11,414 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:11,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560068073] [2021-10-24 10:48:11,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560068073] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:11,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:11,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:48:11,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097532624] [2021-10-24 10:48:11,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:48:11,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:11,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:48:11,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:11,416 INFO L87 Difference]: Start difference. First operand 1165 states and 3499 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 10:48:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:11,447 INFO L93 Difference]: Finished difference Result 1701 states and 5037 transitions. [2021-10-24 10:48:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:48:11,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 10:48:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:11,452 INFO L225 Difference]: With dead ends: 1701 [2021-10-24 10:48:11,452 INFO L226 Difference]: Without dead ends: 1065 [2021-10-24 10:48:11,453 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2021-10-24 10:48:11,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1033. [2021-10-24 10:48:11,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 1032 states have (on average 2.8943798449612403) internal successors, (2987), 1032 states have internal predecessors, (2987), 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 10:48:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 2987 transitions. [2021-10-24 10:48:11,483 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 2987 transitions. Word has length 24 [2021-10-24 10:48:11,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:11,484 INFO L470 AbstractCegarLoop]: Abstraction has 1033 states and 2987 transitions. [2021-10-24 10:48:11,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 10:48:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 2987 transitions. [2021-10-24 10:48:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:48:11,488 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:11,488 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 10:48:11,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-24 10:48:11,488 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 10:48:11,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:11,489 INFO L82 PathProgramCache]: Analyzing trace with hash 437719427, now seen corresponding path program 2 times [2021-10-24 10:48:11,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:11,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425063523] [2021-10-24 10:48:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:11,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:11,575 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 10:48:11,575 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:11,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425063523] [2021-10-24 10:48:11,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425063523] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:11,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:11,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:48:11,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006911825] [2021-10-24 10:48:11,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:48:11,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:11,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:48:11,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:11,578 INFO L87 Difference]: Start difference. First operand 1033 states and 2987 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 10:48:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:11,600 INFO L93 Difference]: Finished difference Result 1516 states and 4291 transitions. [2021-10-24 10:48:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:48:11,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 10:48:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:11,605 INFO L225 Difference]: With dead ends: 1516 [2021-10-24 10:48:11,605 INFO L226 Difference]: Without dead ends: 942 [2021-10-24 10:48:11,605 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:48:11,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2021-10-24 10:48:11,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 939. [2021-10-24 10:48:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 938 states have (on average 2.70682302771855) internal successors, (2539), 938 states have internal predecessors, (2539), 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 10:48:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 2539 transitions. [2021-10-24 10:48:11,637 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 2539 transitions. Word has length 24 [2021-10-24 10:48:11,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:11,637 INFO L470 AbstractCegarLoop]: Abstraction has 939 states and 2539 transitions. [2021-10-24 10:48:11,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 10:48:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 2539 transitions. [2021-10-24 10:48:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:48:11,642 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:11,642 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 10:48:11,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-24 10:48:11,642 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 10:48:11,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:11,644 INFO L82 PathProgramCache]: Analyzing trace with hash 986038975, now seen corresponding path program 3 times [2021-10-24 10:48:11,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:11,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779044112] [2021-10-24 10:48:11,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:11,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:11,830 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 10:48:11,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:11,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779044112] [2021-10-24 10:48:11,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779044112] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:11,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:11,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 10:48:11,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114218059] [2021-10-24 10:48:11,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 10:48:11,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:11,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 10:48:11,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:48:11,833 INFO L87 Difference]: Start difference. First operand 939 states and 2539 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 10:48:11,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:11,914 INFO L93 Difference]: Finished difference Result 909 states and 2480 transitions. [2021-10-24 10:48:11,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:48:11,915 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 10:48:11,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:11,916 INFO L225 Difference]: With dead ends: 909 [2021-10-24 10:48:11,916 INFO L226 Difference]: Without dead ends: 343 [2021-10-24 10:48:11,917 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.2ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:48:11,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-10-24 10:48:11,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2021-10-24 10:48:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 342 states have (on average 2.7485380116959064) internal successors, (940), 342 states have internal predecessors, (940), 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 10:48:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 940 transitions. [2021-10-24 10:48:11,926 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 940 transitions. Word has length 24 [2021-10-24 10:48:11,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:11,927 INFO L470 AbstractCegarLoop]: Abstraction has 343 states and 940 transitions. [2021-10-24 10:48:11,927 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 10:48:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 940 transitions. [2021-10-24 10:48:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 10:48:11,931 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:11,932 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 10:48:11,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-24 10:48:11,932 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 10:48:11,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:11,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1869849508, now seen corresponding path program 1 times [2021-10-24 10:48:11,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:11,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356467019] [2021-10-24 10:48:11,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:11,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:12,199 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 10:48:12,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:48:12,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356467019] [2021-10-24 10:48:12,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356467019] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:12,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:12,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 10:48:12,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410714985] [2021-10-24 10:48:12,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:48:12,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:48:12,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:48:12,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:48:12,202 INFO L87 Difference]: Start difference. First operand 343 states and 940 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 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 10:48:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:12,425 INFO L93 Difference]: Finished difference Result 399 states and 1077 transitions. [2021-10-24 10:48:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:48:12,425 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 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 10:48:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:12,426 INFO L225 Difference]: With dead ends: 399 [2021-10-24 10:48:12,426 INFO L226 Difference]: Without dead ends: 181 [2021-10-24 10:48:12,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 157.3ms TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:48:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-10-24 10:48:12,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2021-10-24 10:48:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 2.3555555555555556) internal successors, (424), 180 states have internal predecessors, (424), 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 10:48:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 424 transitions. [2021-10-24 10:48:12,432 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 424 transitions. Word has length 28 [2021-10-24 10:48:12,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:12,432 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 424 transitions. [2021-10-24 10:48:12,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 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 10:48:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 424 transitions. [2021-10-24 10:48:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 10:48:12,433 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:12,433 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 10:48:12,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-24 10:48:12,433 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-24 10:48:12,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:12,434 INFO L82 PathProgramCache]: Analyzing trace with hash -52585628, now seen corresponding path program 2 times [2021-10-24 10:48:12,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:48:12,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732030905] [2021-10-24 10:48:12,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:12,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:48:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:48:12,523 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:48:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:48:12,676 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 10:48:12,677 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:48:12,678 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:48:12,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-24 10:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-24 10:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-24 10:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-24 10:48:12,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:48:12,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-24 10:48:12,687 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-24 10:48:12,687 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:48:12,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:48:12 BasicIcfg [2021-10-24 10:48:12,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:48:12,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:48:12,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:48:12,852 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:48:12,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:00" (3/4) ... [2021-10-24 10:48:12,855 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:48:13,020 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:48:13,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:48:13,022 INFO L168 Benchmark]: Toolchain (without parser) took 16090.70 ms. Allocated memory was 107.0 MB in the beginning and 411.0 MB in the end (delta: 304.1 MB). Free memory was 68.1 MB in the beginning and 146.7 MB in the end (delta: -78.6 MB). Peak memory consumption was 224.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:13,023 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory was 86.0 MB in the beginning and 86.0 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:48:13,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.96 ms. Allocated memory is still 107.0 MB. Free memory was 67.9 MB in the beginning and 66.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:13,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.29 ms. Allocated memory is still 107.0 MB. Free memory was 66.7 MB in the beginning and 64.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:13,024 INFO L168 Benchmark]: Boogie Preprocessor took 69.04 ms. Allocated memory is still 107.0 MB. Free memory was 64.1 MB in the beginning and 62.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:13,025 INFO L168 Benchmark]: RCFGBuilder took 2271.91 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 61.7 MB in the beginning and 115.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:13,025 INFO L168 Benchmark]: TraceAbstraction took 12717.69 ms. Allocated memory was 146.8 MB in the beginning and 411.0 MB in the end (delta: 264.2 MB). Free memory was 114.7 MB in the beginning and 172.9 MB in the end (delta: -58.2 MB). Peak memory consumption was 207.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:13,026 INFO L168 Benchmark]: Witness Printer took 168.61 ms. Allocated memory is still 411.0 MB. Free memory was 172.9 MB in the beginning and 146.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:13,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory was 86.0 MB in the beginning and 86.0 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 782.96 ms. Allocated memory is still 107.0 MB. Free memory was 67.9 MB in the beginning and 66.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.29 ms. Allocated memory is still 107.0 MB. Free memory was 66.7 MB in the beginning and 64.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.04 ms. Allocated memory is still 107.0 MB. Free memory was 64.1 MB in the beginning and 62.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2271.91 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 61.7 MB in the beginning and 115.6 MB in the end (delta: -54.0 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12717.69 ms. Allocated memory was 146.8 MB in the beginning and 411.0 MB in the end (delta: 264.2 MB). Free memory was 114.7 MB in the beginning and 172.9 MB in the end (delta: -58.2 MB). Peak memory consumption was 207.1 MB. Max. memory is 16.1 GB. * Witness Printer took 168.61 ms. Allocated memory is still 411.0 MB. Free memory was 172.9 MB in the beginning and 146.7 MB in the end (delta: 26.2 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: 6425.7ms, 143 PlacesBefore, 47 PlacesAfterwards, 132 TransitionsBefore, 35 TransitionsAfterwards, 3208 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 111 TotalNumberOfCompositions, 9065 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4457, positive: 4220, positive conditional: 0, positive unconditional: 4220, negative: 237, negative conditional: 0, negative unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2316, positive: 2254, positive conditional: 0, positive unconditional: 2254, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2316, positive: 2219, positive conditional: 0, positive unconditional: 2219, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 97, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 504, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 420, negative conditional: 0, negative unconditional: 420, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4457, positive: 1966, positive conditional: 0, positive unconditional: 1966, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 2316, unknown conditional: 0, unknown unconditional: 2316] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 244, Positive conditional cache size: 0, Positive unconditional cache size: 244, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - 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 __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool b$flush_delayed; [L724] 0 int b$mem_tmp; [L725] 0 _Bool b$r_buff0_thd0; [L726] 0 _Bool b$r_buff0_thd1; [L727] 0 _Bool b$r_buff0_thd2; [L728] 0 _Bool b$r_buff0_thd3; [L729] 0 _Bool b$r_buff0_thd4; [L730] 0 _Bool b$r_buff1_thd0; [L731] 0 _Bool b$r_buff1_thd1; [L732] 0 _Bool b$r_buff1_thd2; [L733] 0 _Bool b$r_buff1_thd3; [L734] 0 _Bool b$r_buff1_thd4; [L735] 0 _Bool b$read_delayed; [L736] 0 int *b$read_delayed_var; [L737] 0 int b$w_buff0; [L738] 0 _Bool b$w_buff0_used; [L739] 0 int b$w_buff1; [L740] 0 _Bool b$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L871] 0 pthread_t t969; [L872] FCALL, FORK 0 pthread_create(&t969, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t970; [L874] FCALL, FORK 0 pthread_create(&t970, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t971; [L876] FCALL, FORK 0 pthread_create(&t971, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t972; [L878] FCALL, FORK 0 pthread_create(&t972, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 b$w_buff1 = b$w_buff0 [L755] 1 b$w_buff0 = 1 [L756] 1 b$w_buff1_used = b$w_buff0_used [L757] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L759] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L760] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L761] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L762] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L763] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L764] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L767] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L784] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L790] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L790] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L791] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L791] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L792] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L793] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L793] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L794] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L804] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L807] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L824] 4 z = 1 [L827] 4 a = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L810] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L810] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L811] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L811] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L812] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L813] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L813] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L814] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L814] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; [L830] 4 __unbuffered_p3_EAX = a VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L833] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 4 b$flush_delayed = weak$$choice2 [L836] 4 b$mem_tmp = b [L837] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L837] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L838] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L838] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0) [L838] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L838] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L839] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L839] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L839] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L839] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L840] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L840] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used) [L840] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L840] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L841] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L841] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L842] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4) [L842] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L842] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L843] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L843] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] 4 __unbuffered_p3_EBX = b [L845] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L845] 4 b = b$flush_delayed ? b$mem_tmp : b [L846] 4 b$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L849] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L849] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L850] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L850] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L851] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L852] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L852] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L853] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L853] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L770] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L771] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L772] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L773] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L773] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L774] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L774] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L884] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L884] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L885] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L885] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L886] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L887] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L887] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L888] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L888] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L891] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 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=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=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: 876]: 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: 874]: 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: 872]: 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: 878]: 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, 170 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 12334.8ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 71.1ms, AutomataDifference: 1569.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6731.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 468 SDtfs, 671 SDslu, 702 SDs, 0 SdLazy, 254 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 408.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 350.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4525occurred in iteration=2, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1628.1ms AutomataMinimizationTime, 12 MinimizatonAttempts, 2643 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 62.3ms SsaConstructionTime, 652.3ms SatisfiabilityAnalysisTime, 1177.3ms InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 1480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 10:48:13,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673369b6-2ca1-4849-a308-70183768d880/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...