./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/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_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:35:55,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:35:55,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:35:55,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:35:55,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:35:55,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:35:55,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:35:55,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:35:55,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:35:55,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:35:55,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:35:55,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:35:55,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:35:56,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:35:56,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:35:56,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:35:56,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:35:56,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:35:56,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:35:56,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:35:56,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:35:56,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:35:56,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:35:56,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:35:56,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:35:56,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:35:56,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:35:56,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:35:56,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:35:56,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:35:56,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:35:56,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:35:56,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:35:56,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:35:56,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:35:56,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:35:56,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:35:56,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:35:56,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:35:56,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:35:56,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:35:56,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:35:56,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:35:56,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:35:56,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:35:56,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:35:56,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:35:56,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:35:56,114 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:35:56,114 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:35:56,114 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:35:56,115 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:35:56,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:35:56,115 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:35:56,115 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:35:56,115 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:35:56,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:35:56,116 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:35:56,116 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:35:56,116 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:35:56,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:35:56,117 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:35:56,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:35:56,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:35:56,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:35:56,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:35:56,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:35:56,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:35:56,119 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:35:56,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:35:56,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:35:56,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:35:56,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:35:56,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:35:56,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:35:56,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:35:56,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:35:56,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:35:56,122 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:35:56,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:35:56,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:35:56,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:35:56,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:35:56,123 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_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82646a2180350347ed217a12e2836ec5fdce4b0371f5e0f7afa776fd6812fa0f [2021-11-23 03:35:56,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:35:56,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:35:56,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:35:56,530 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:35:56,531 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:35:56,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i [2021-11-23 03:35:56,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/data/028206407/6368e810a7f840639941c8c5ddd37667/FLAG8fd6acd0b [2021-11-23 03:35:57,188 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:35:57,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i [2021-11-23 03:35:57,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/data/028206407/6368e810a7f840639941c8c5ddd37667/FLAG8fd6acd0b [2021-11-23 03:35:57,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/data/028206407/6368e810a7f840639941c8c5ddd37667 [2021-11-23 03:35:57,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:35:57,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:35:57,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:35:57,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:35:57,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:35:57,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:57" (1/1) ... [2021-11-23 03:35:57,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd4de0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:57, skipping insertion in model container [2021-11-23 03:35:57,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:57" (1/1) ... [2021-11-23 03:35:57,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:35:57,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:35:57,786 WARN L230 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_f031287f-e00c-42ad-818d-429093bdc1ed/sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-11-23 03:35:58,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:35:58,062 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:35:58,075 WARN L230 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_f031287f-e00c-42ad-818d-429093bdc1ed/sv-benchmarks/c/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-11-23 03:35:58,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:35:58,192 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:35:58,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58 WrapperNode [2021-11-23 03:35:58,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:35:58,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:35:58,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:35:58,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:35:58,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,256 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2021-11-23 03:35:58,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:35:58,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:35:58,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:35:58,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:35:58,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:35:58,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:35:58,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:35:58,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:35:58,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (1/1) ... [2021-11-23 03:35:58,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:35:58,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:35:58,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:35:58,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:35:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:35:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 03:35:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:35:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:35:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:35:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 03:35:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 03:35:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 03:35:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 03:35:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 03:35:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 03:35:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 03:35:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 03:35:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:35:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 03:35:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:35:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:35:58,426 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 03:35:58,660 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:35:58,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:35:59,481 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:35:59,973 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:35:59,973 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:35:59,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:59 BoogieIcfgContainer [2021-11-23 03:35:59,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:35:59,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:35:59,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:35:59,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:35:59,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:35:57" (1/3) ... [2021-11-23 03:35:59,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16396e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:35:59, skipping insertion in model container [2021-11-23 03:35:59,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:58" (2/3) ... [2021-11-23 03:35:59,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16396e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:35:59, skipping insertion in model container [2021-11-23 03:35:59,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:59" (3/3) ... [2021-11-23 03:35:59,989 INFO L111 eAbstractionObserver]: Analyzing ICFG mix037_power.oepc_pso.oepc_rmo.oepc.i [2021-11-23 03:35:59,998 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 03:35:59,998 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:35:59,998 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 03:35:59,999 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 03:36:00,075 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,077 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,077 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,077 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,078 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,078 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,078 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,079 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,079 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,080 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,080 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,080 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,082 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,082 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,082 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,083 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,083 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,084 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,084 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,084 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,084 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,085 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,086 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,086 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,086 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,086 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,087 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,088 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,088 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,088 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,088 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,089 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,090 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,090 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,090 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,091 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,091 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,091 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,092 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,093 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,094 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,095 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,096 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,097 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,098 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,098 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,098 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,098 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,099 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,099 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,099 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,099 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,115 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,115 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,118 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,118 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,119 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,119 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,119 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,119 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,120 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,120 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,120 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,120 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,120 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,121 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,121 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,121 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,121 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,121 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,122 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,122 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,122 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,122 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,122 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,123 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,123 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,123 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,123 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,123 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,123 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,124 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,124 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,124 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,124 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,124 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,125 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,125 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,125 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,125 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,125 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,125 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,132 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,132 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,132 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,132 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,137 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,137 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,144 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,146 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,147 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,147 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,147 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,147 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,153 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,154 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,154 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,154 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,154 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,155 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,155 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,155 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,155 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,156 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,164 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,164 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,165 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,165 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,165 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,165 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,165 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,166 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,166 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,167 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,167 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,167 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,167 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,168 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,168 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,168 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,168 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,168 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,168 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,169 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,169 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,169 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,169 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,170 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,170 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,171 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,172 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,173 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,173 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,173 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,182 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,182 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,183 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,184 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,184 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,184 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,184 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,184 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:36:00,187 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 03:36:00,250 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:36:00,264 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:36:00,264 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-23 03:36:00,288 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 03:36:00,306 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 140 transitions, 300 flow [2021-11-23 03:36:00,316 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 140 transitions, 300 flow [2021-11-23 03:36:00,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 140 transitions, 300 flow [2021-11-23 03:36:00,416 INFO L129 PetriNetUnfolder]: 2/136 cut-off events. [2021-11-23 03:36:00,416 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 03:36:00,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 136 events. 2/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2021-11-23 03:36:00,427 INFO L116 LiptonReduction]: Number of co-enabled transitions 3518 [2021-11-23 03:36:07,192 INFO L131 LiptonReduction]: Checked pairs total: 10129 [2021-11-23 03:36:07,193 INFO L133 LiptonReduction]: Total number of compositions: 124 [2021-11-23 03:36:07,215 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 35 transitions, 90 flow [2021-11-23 03:36:07,469 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) [2021-11-23 03:36:07,490 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) [2021-11-23 03:36:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 03:36:07,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:07,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-23 03:36:07,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:07,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:07,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1290957, now seen corresponding path program 1 times [2021-11-23 03:36:07,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:07,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314929734] [2021-11-23 03:36:07,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:07,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:07,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:07,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314929734] [2021-11-23 03:36:07,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314929734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:07,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:07,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 03:36:07,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253494833] [2021-11-23 03:36:07,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:07,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:07,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:07,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:07,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:07,861 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) [2021-11-23 03:36:08,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:08,135 INFO L93 Difference]: Finished difference Result 3462 states and 13465 transitions. [2021-11-23 03:36:08,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:08,139 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 [2021-11-23 03:36:08,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:08,205 INFO L225 Difference]: With dead ends: 3462 [2021-11-23 03:36:08,206 INFO L226 Difference]: Without dead ends: 3312 [2021-11-23 03:36:08,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:08,211 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 18 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:08,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 6 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:36:08,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3312 states. [2021-11-23 03:36:08,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312. [2021-11-23 03:36:08,494 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) [2021-11-23 03:36:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions. [2021-11-23 03:36:08,531 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3 [2021-11-23 03:36:08,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:08,532 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions. [2021-11-23 03:36:08,532 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) [2021-11-23 03:36:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions. [2021-11-23 03:36:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:36:08,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:08,536 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:08,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:36:08,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:08,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1826837295, now seen corresponding path program 1 times [2021-11-23 03:36:08,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:08,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176665596] [2021-11-23 03:36:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:08,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:08,791 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:08,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176665596] [2021-11-23 03:36:08,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176665596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:08,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:08,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 03:36:08,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104818268] [2021-11-23 03:36:08,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:08,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:08,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:08,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:08,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:08,795 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) [2021-11-23 03:36:09,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:09,032 INFO L93 Difference]: Finished difference Result 5206 states and 19638 transitions. [2021-11-23 03:36:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:09,032 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 [2021-11-23 03:36:09,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:09,102 INFO L225 Difference]: With dead ends: 5206 [2021-11-23 03:36:09,102 INFO L226 Difference]: Without dead ends: 4963 [2021-11-23 03:36:09,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:09,106 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:09,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 4 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:36:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2021-11-23 03:36:09,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4525. [2021-11-23 03:36:09,426 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) [2021-11-23 03:36:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4525 states to 4525 states and 17396 transitions. [2021-11-23 03:36:09,465 INFO L78 Accepts]: Start accepts. Automaton has 4525 states and 17396 transitions. Word has length 11 [2021-11-23 03:36:09,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:09,466 INFO L470 AbstractCegarLoop]: Abstraction has 4525 states and 17396 transitions. [2021-11-23 03:36:09,467 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) [2021-11-23 03:36:09,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4525 states and 17396 transitions. [2021-11-23 03:36:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 03:36:09,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:09,478 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:09,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:36:09,478 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:09,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:09,479 INFO L85 PathProgramCache]: Analyzing trace with hash 797380576, now seen corresponding path program 1 times [2021-11-23 03:36:09,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:09,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304711381] [2021-11-23 03:36:09,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:09,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:09,657 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:09,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304711381] [2021-11-23 03:36:09,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304711381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:09,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:09,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:36:09,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516173897] [2021-11-23 03:36:09,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:09,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:36:09,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:09,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:36:09,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:36:09,660 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) [2021-11-23 03:36:09,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:09,991 INFO L93 Difference]: Finished difference Result 4595 states and 17297 transitions. [2021-11-23 03:36:09,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:36:09,992 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 [2021-11-23 03:36:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:10,062 INFO L225 Difference]: With dead ends: 4595 [2021-11-23 03:36:10,063 INFO L226 Difference]: Without dead ends: 4595 [2021-11-23 03:36:10,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:36:10,064 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 33 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:10,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 8 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:36:10,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4595 states. [2021-11-23 03:36:10,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4595 to 3719. [2021-11-23 03:36:10,273 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) [2021-11-23 03:36:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 14274 transitions. [2021-11-23 03:36:10,312 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 14274 transitions. Word has length 12 [2021-11-23 03:36:10,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:10,312 INFO L470 AbstractCegarLoop]: Abstraction has 3719 states and 14274 transitions. [2021-11-23 03:36:10,313 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) [2021-11-23 03:36:10,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 14274 transitions. [2021-11-23 03:36:10,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 03:36:10,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:10,316 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:10,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:36:10,317 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:10,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:10,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1051023009, now seen corresponding path program 1 times [2021-11-23 03:36:10,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:10,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446970928] [2021-11-23 03:36:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:10,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:10,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:10,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446970928] [2021-11-23 03:36:10,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446970928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:10,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:10,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:36:10,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476060990] [2021-11-23 03:36:10,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:10,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:36:10,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:10,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:36:10,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:36:10,437 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) [2021-11-23 03:36:10,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:10,756 INFO L93 Difference]: Finished difference Result 4495 states and 16922 transitions. [2021-11-23 03:36:10,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:36:10,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-23 03:36:10,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:10,817 INFO L225 Difference]: With dead ends: 4495 [2021-11-23 03:36:10,818 INFO L226 Difference]: Without dead ends: 4495 [2021-11-23 03:36:10,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:36:10,827 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 45 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:10,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 4 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:36:10,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4495 states. [2021-11-23 03:36:10,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4495 to 3679. [2021-11-23 03:36:11,007 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) [2021-11-23 03:36:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 3679 states and 14092 transitions. [2021-11-23 03:36:11,031 INFO L78 Accepts]: Start accepts. Automaton has 3679 states and 14092 transitions. Word has length 13 [2021-11-23 03:36:11,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:11,031 INFO L470 AbstractCegarLoop]: Abstraction has 3679 states and 14092 transitions. [2021-11-23 03:36:11,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 14092 transitions. [2021-11-23 03:36:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 03:36:11,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:11,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:11,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:36:11,037 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:11,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:11,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1778515408, now seen corresponding path program 1 times [2021-11-23 03:36:11,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:11,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465285685] [2021-11-23 03:36:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:11,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:11,239 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:11,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465285685] [2021-11-23 03:36:11,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465285685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:11,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:11,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:36:11,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311652271] [2021-11-23 03:36:11,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:11,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:36:11,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:11,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:36:11,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:36:11,242 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) [2021-11-23 03:36:11,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:11,499 INFO L93 Difference]: Finished difference Result 3680 states and 12755 transitions. [2021-11-23 03:36:11,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:36:11,500 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 [2021-11-23 03:36:11,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:11,515 INFO L225 Difference]: With dead ends: 3680 [2021-11-23 03:36:11,515 INFO L226 Difference]: Without dead ends: 2711 [2021-11-23 03:36:11,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:36:11,517 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 56 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:11,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 9 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:36:11,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2021-11-23 03:36:11,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 2711. [2021-11-23 03:36:11,617 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) [2021-11-23 03:36:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 9268 transitions. [2021-11-23 03:36:11,630 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 9268 transitions. Word has length 14 [2021-11-23 03:36:11,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:11,631 INFO L470 AbstractCegarLoop]: Abstraction has 2711 states and 9268 transitions. [2021-11-23 03:36:11,631 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) [2021-11-23 03:36:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 9268 transitions. [2021-11-23 03:36:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:36:11,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:11,636 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:11,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:36:11,637 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:11,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:11,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1352606669, now seen corresponding path program 1 times [2021-11-23 03:36:11,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:11,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087519430] [2021-11-23 03:36:11,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:11,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:11,698 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:11,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087519430] [2021-11-23 03:36:11,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087519430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:11,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:11,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:36:11,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896054267] [2021-11-23 03:36:11,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:11,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:11,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:11,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:11,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:11,701 INFO L87 Difference]: Start difference. First operand 2711 states and 9268 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:11,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:11,841 INFO L93 Difference]: Finished difference Result 3791 states and 12709 transitions. [2021-11-23 03:36:11,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:11,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-23 03:36:11,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:11,855 INFO L225 Difference]: With dead ends: 3791 [2021-11-23 03:36:11,856 INFO L226 Difference]: Without dead ends: 2442 [2021-11-23 03:36:11,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:11,857 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 13 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:11,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 7 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:36:11,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2021-11-23 03:36:11,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2178. [2021-11-23 03:36:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2177 states have (on average 3.3105190629306387) internal successors, (7207), 2177 states have internal predecessors, (7207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 7207 transitions. [2021-11-23 03:36:11,987 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 7207 transitions. Word has length 17 [2021-11-23 03:36:11,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:11,987 INFO L470 AbstractCegarLoop]: Abstraction has 2178 states and 7207 transitions. [2021-11-23 03:36:11,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 7207 transitions. [2021-11-23 03:36:11,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 03:36:11,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:11,993 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:11,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:36:11,993 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:11,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:11,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1515058221, now seen corresponding path program 1 times [2021-11-23 03:36:11,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:11,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244926432] [2021-11-23 03:36:11,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:11,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:12,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:12,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244926432] [2021-11-23 03:36:12,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244926432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:12,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:12,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:36:12,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498866751] [2021-11-23 03:36:12,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:12,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:36:12,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:12,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:36:12,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:36:12,115 INFO L87 Difference]: Start difference. First operand 2178 states and 7207 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:12,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:12,325 INFO L93 Difference]: Finished difference Result 1832 states and 5586 transitions. [2021-11-23 03:36:12,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:36:12,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-23 03:36:12,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:12,332 INFO L225 Difference]: With dead ends: 1832 [2021-11-23 03:36:12,333 INFO L226 Difference]: Without dead ends: 1402 [2021-11-23 03:36:12,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:36:12,334 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 99 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:12,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 12 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:36:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2021-11-23 03:36:12,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1402. [2021-11-23 03:36:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 1401 states have (on average 2.9957173447537473) internal successors, (4197), 1401 states have internal predecessors, (4197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 4197 transitions. [2021-11-23 03:36:12,388 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 4197 transitions. Word has length 17 [2021-11-23 03:36:12,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:12,389 INFO L470 AbstractCegarLoop]: Abstraction has 1402 states and 4197 transitions. [2021-11-23 03:36:12,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 4197 transitions. [2021-11-23 03:36:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 03:36:12,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:12,394 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:12,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:36:12,394 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:12,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:12,395 INFO L85 PathProgramCache]: Analyzing trace with hash -340663216, now seen corresponding path program 1 times [2021-11-23 03:36:12,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:12,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700587766] [2021-11-23 03:36:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:12,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:12,547 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:12,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700587766] [2021-11-23 03:36:12,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700587766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:12,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:12,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:36:12,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670197153] [2021-11-23 03:36:12,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:12,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:36:12,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:12,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:36:12,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:36:12,550 INFO L87 Difference]: Start difference. First operand 1402 states and 4197 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) [2021-11-23 03:36:12,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:12,823 INFO L93 Difference]: Finished difference Result 1239 states and 3682 transitions. [2021-11-23 03:36:12,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:36:12,823 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 [2021-11-23 03:36:12,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:12,829 INFO L225 Difference]: With dead ends: 1239 [2021-11-23 03:36:12,829 INFO L226 Difference]: Without dead ends: 1113 [2021-11-23 03:36:12,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:36:12,831 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 130 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:12,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 15 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:36:12,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2021-11-23 03:36:12,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1113. [2021-11-23 03:36:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 1112 states have (on average 3.0161870503597124) internal successors, (3354), 1112 states have internal predecessors, (3354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 3354 transitions. [2021-11-23 03:36:12,881 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 3354 transitions. Word has length 20 [2021-11-23 03:36:12,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:12,881 INFO L470 AbstractCegarLoop]: Abstraction has 1113 states and 3354 transitions. [2021-11-23 03:36:12,882 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) [2021-11-23 03:36:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 3354 transitions. [2021-11-23 03:36:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:36:12,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:12,887 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:12,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:36:12,888 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:12,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:12,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1277729532, now seen corresponding path program 1 times [2021-11-23 03:36:12,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:12,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765768891] [2021-11-23 03:36:12,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:12,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:13,399 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:13,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765768891] [2021-11-23 03:36:13,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765768891] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:13,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:13,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:36:13,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590387674] [2021-11-23 03:36:13,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:13,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 03:36:13,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:13,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 03:36:13,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:36:13,403 INFO L87 Difference]: Start difference. First operand 1113 states and 3354 transitions. Second operand has 7 states, 6 states have (on average 4.0) 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) [2021-11-23 03:36:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:13,886 INFO L93 Difference]: Finished difference Result 1780 states and 5095 transitions. [2021-11-23 03:36:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:36:13,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) 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 [2021-11-23 03:36:13,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:13,894 INFO L225 Difference]: With dead ends: 1780 [2021-11-23 03:36:13,894 INFO L226 Difference]: Without dead ends: 1606 [2021-11-23 03:36:13,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:36:13,895 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 67 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:13,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 35 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 03:36:13,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-11-23 03:36:13,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1327. [2021-11-23 03:36:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 1326 states have (on average 2.964555052790347) internal successors, (3931), 1326 states have internal predecessors, (3931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 3931 transitions. [2021-11-23 03:36:13,962 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 3931 transitions. Word has length 24 [2021-11-23 03:36:13,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:13,963 INFO L470 AbstractCegarLoop]: Abstraction has 1327 states and 3931 transitions. [2021-11-23 03:36:13,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) 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) [2021-11-23 03:36:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 3931 transitions. [2021-11-23 03:36:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:36:13,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:13,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:13,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 03:36:13,971 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:13,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:13,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1983676796, now seen corresponding path program 2 times [2021-11-23 03:36:13,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:13,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613311206] [2021-11-23 03:36:13,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:13,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:14,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:14,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613311206] [2021-11-23 03:36:14,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613311206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:14,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:14,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:36:14,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326131850] [2021-11-23 03:36:14,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:14,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 03:36:14,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:14,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 03:36:14,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:36:14,275 INFO L87 Difference]: Start difference. First operand 1327 states and 3931 transitions. Second operand has 7 states, 6 states have (on average 4.0) 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) [2021-11-23 03:36:14,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:14,830 INFO L93 Difference]: Finished difference Result 2032 states and 5866 transitions. [2021-11-23 03:36:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 03:36:14,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) 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 [2021-11-23 03:36:14,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:14,839 INFO L225 Difference]: With dead ends: 2032 [2021-11-23 03:36:14,839 INFO L226 Difference]: Without dead ends: 1973 [2021-11-23 03:36:14,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:36:14,843 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 106 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:14,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 22 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 03:36:14,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2021-11-23 03:36:14,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1418. [2021-11-23 03:36:14,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1417 states have (on average 2.935074100211715) internal successors, (4159), 1417 states have internal predecessors, (4159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 4159 transitions. [2021-11-23 03:36:14,909 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 4159 transitions. Word has length 24 [2021-11-23 03:36:14,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:14,909 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 4159 transitions. [2021-11-23 03:36:14,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) 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) [2021-11-23 03:36:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 4159 transitions. [2021-11-23 03:36:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 03:36:14,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:14,915 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:14,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 03:36:14,915 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:14,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:14,916 INFO L85 PathProgramCache]: Analyzing trace with hash 744898768, now seen corresponding path program 3 times [2021-11-23 03:36:14,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:14,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468925484] [2021-11-23 03:36:14,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:14,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:15,072 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:15,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468925484] [2021-11-23 03:36:15,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468925484] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:15,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:15,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 03:36:15,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965038168] [2021-11-23 03:36:15,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:15,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 03:36:15,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:15,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 03:36:15,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 03:36:15,075 INFO L87 Difference]: Start difference. First operand 1418 states and 4159 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) [2021-11-23 03:36:15,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:15,313 INFO L93 Difference]: Finished difference Result 1383 states and 4085 transitions. [2021-11-23 03:36:15,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:36:15,314 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 [2021-11-23 03:36:15,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:15,318 INFO L225 Difference]: With dead ends: 1383 [2021-11-23 03:36:15,318 INFO L226 Difference]: Without dead ends: 707 [2021-11-23 03:36:15,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:36:15,319 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 172 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:15,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 11 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:36:15,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2021-11-23 03:36:15,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 683. [2021-11-23 03:36:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 682 states have (on average 2.838709677419355) internal successors, (1936), 682 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1936 transitions. [2021-11-23 03:36:15,344 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1936 transitions. Word has length 24 [2021-11-23 03:36:15,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:15,345 INFO L470 AbstractCegarLoop]: Abstraction has 683 states and 1936 transitions. [2021-11-23 03:36:15,345 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) [2021-11-23 03:36:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1936 transitions. [2021-11-23 03:36:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:36:15,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:15,350 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:15,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 03:36:15,350 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:15,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:15,351 INFO L85 PathProgramCache]: Analyzing trace with hash -308021725, now seen corresponding path program 1 times [2021-11-23 03:36:15,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:15,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21517654] [2021-11-23 03:36:15,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:15,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:15,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:15,443 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:15,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21517654] [2021-11-23 03:36:15,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21517654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:15,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:15,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:36:15,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641207263] [2021-11-23 03:36:15,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:15,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:36:15,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:15,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:36:15,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:36:15,445 INFO L87 Difference]: Start difference. First operand 683 states and 1936 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) [2021-11-23 03:36:15,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:15,591 INFO L93 Difference]: Finished difference Result 953 states and 2706 transitions. [2021-11-23 03:36:15,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:36:15,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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 [2021-11-23 03:36:15,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:15,593 INFO L225 Difference]: With dead ends: 953 [2021-11-23 03:36:15,593 INFO L226 Difference]: Without dead ends: 407 [2021-11-23 03:36:15,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:36:15,594 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 24 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:15,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 9 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:36:15,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2021-11-23 03:36:15,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2021-11-23 03:36:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 2.7389162561576357) internal successors, (1112), 406 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1112 transitions. [2021-11-23 03:36:15,609 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 1112 transitions. Word has length 28 [2021-11-23 03:36:15,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:15,609 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 1112 transitions. [2021-11-23 03:36:15,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) [2021-11-23 03:36:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1112 transitions. [2021-11-23 03:36:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:36:15,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:15,611 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:15,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 03:36:15,612 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:15,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash -895130745, now seen corresponding path program 2 times [2021-11-23 03:36:15,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:15,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045348858] [2021-11-23 03:36:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:15,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:36:15,898 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:15,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045348858] [2021-11-23 03:36:15,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045348858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:15,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:15,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 03:36:15,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369732395] [2021-11-23 03:36:15,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:15,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 03:36:15,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:15,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 03:36:15,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:36:15,900 INFO L87 Difference]: Start difference. First operand 407 states and 1112 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) [2021-11-23 03:36:16,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:16,290 INFO L93 Difference]: Finished difference Result 686 states and 1841 transitions. [2021-11-23 03:36:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:36:16,291 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 [2021-11-23 03:36:16,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:16,293 INFO L225 Difference]: With dead ends: 686 [2021-11-23 03:36:16,293 INFO L226 Difference]: Without dead ends: 564 [2021-11-23 03:36:16,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-23 03:36:16,294 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 82 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:16,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 25 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 03:36:16,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2021-11-23 03:36:16,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 407. [2021-11-23 03:36:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 2.6600985221674875) internal successors, (1080), 406 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:36:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1080 transitions. [2021-11-23 03:36:16,315 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 1080 transitions. Word has length 28 [2021-11-23 03:36:16,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:16,316 INFO L470 AbstractCegarLoop]: Abstraction has 407 states and 1080 transitions. [2021-11-23 03:36:16,316 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) [2021-11-23 03:36:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1080 transitions. [2021-11-23 03:36:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:36:16,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:16,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:16,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 03:36:16,321 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 03:36:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:16,321 INFO L85 PathProgramCache]: Analyzing trace with hash -187029369, now seen corresponding path program 3 times [2021-11-23 03:36:16,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:16,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351485067] [2021-11-23 03:36:16,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:16,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:36:16,419 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 03:36:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:36:16,637 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 03:36:16,637 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 03:36:16,638 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-23 03:36:16,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-23 03:36:16,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-23 03:36:16,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-11-23 03:36:16,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-11-23 03:36:16,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-11-23 03:36:16,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-23 03:36:16,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 03:36:16,648 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:36:16,655 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 03:36:16,656 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:36:16,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:36:16 BasicIcfg [2021-11-23 03:36:16,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:36:16,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:36:16,874 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:36:16,875 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:36:16,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:59" (3/4) ... [2021-11-23 03:36:16,877 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 03:36:17,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:36:17,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:36:17,033 INFO L158 Benchmark]: Toolchain (without parser) took 19548.62ms. Allocated memory was 140.5MB in the beginning and 450.9MB in the end (delta: 310.4MB). Free memory was 100.7MB in the beginning and 309.4MB in the end (delta: -208.6MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2021-11-23 03:36:17,033 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory was 110.0MB in the beginning and 110.0MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:36:17,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.99ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 98.2MB in the end (delta: 2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:36:17,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.05ms. Allocated memory is still 140.5MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:36:17,035 INFO L158 Benchmark]: Boogie Preprocessor took 47.39ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 93.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:36:17,035 INFO L158 Benchmark]: RCFGBuilder took 1670.72ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 93.5MB in the beginning and 123.7MB in the end (delta: -30.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2021-11-23 03:36:17,036 INFO L158 Benchmark]: TraceAbstraction took 16892.93ms. Allocated memory was 180.4MB in the beginning and 450.9MB in the end (delta: 270.5MB). Free memory was 123.7MB in the beginning and 334.6MB in the end (delta: -210.9MB). Peak memory consumption was 289.4MB. Max. memory is 16.1GB. [2021-11-23 03:36:17,036 INFO L158 Benchmark]: Witness Printer took 159.35ms. Allocated memory is still 450.9MB. Free memory was 334.6MB in the beginning and 309.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 03:36:17,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory was 110.0MB in the beginning and 110.0MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.99ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 98.2MB in the end (delta: 2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.05ms. Allocated memory is still 140.5MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.39ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 93.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1670.72ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 93.5MB in the beginning and 123.7MB in the end (delta: -30.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * TraceAbstraction took 16892.93ms. Allocated memory was 180.4MB in the beginning and 450.9MB in the end (delta: 270.5MB). Free memory was 123.7MB in the beginning and 334.6MB in the end (delta: -210.9MB). Peak memory consumption was 289.4MB. Max. memory is 16.1GB. * Witness Printer took 159.35ms. Allocated memory is still 450.9MB. Free memory was 334.6MB in the beginning and 309.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9s, 151 PlacesBefore, 47 PlacesAfterwards, 140 TransitionsBefore, 35 TransitionsAfterwards, 3518 CoEnabledTransitionPairs, 8 FixpointIterations, 47 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 124 TotalNumberOfCompositions, 10129 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4929, positive: 4665, positive conditional: 0, positive unconditional: 4665, negative: 264, negative conditional: 0, negative unconditional: 264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2470, positive: 2420, positive conditional: 0, positive unconditional: 2420, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2470, positive: 2386, positive conditional: 0, positive unconditional: 2386, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 369, negative conditional: 0, negative unconditional: 369, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4929, positive: 2245, positive conditional: 0, positive unconditional: 2245, negative: 214, negative conditional: 0, negative unconditional: 214, unknown: 2470, unknown conditional: 0, unknown unconditional: 2470] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 219, Positive conditional cache size: 0, Positive unconditional cache size: 219, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, pthread_create(&t969, ((void *)0), P0, ((void *)0))=8, t969={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t970; [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 [L758] CALL 1 __VERIFIER_assert(!(b$w_buff1_used && b$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L758] RET 1 __VERIFIER_assert(!(b$w_buff1_used && b$w_buff0_used)) [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$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$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] [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=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, pthread_create(&t970, ((void *)0), P1, ((void *)0))=9, t969={5:0}, t970={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t971; [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] [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=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, pthread_create(&t971, ((void *)0), P2, ((void *)0))=10, t969={5:0}, t970={6:0}, t971={7:0}, weak$$choice0=0, weak$$choice2=0, x=1, 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=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, pthread_create(&t972, ((void *)0), P3, ((void *)0))=11, t969={5:0}, t970={6:0}, t971={7:0}, t972={3:0}, 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] [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$r_buff1_thd3 [L824] 4 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$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] [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; [L827] 4 a = 1 [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 [L882] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L882] RET 0 assume_abort_if_not(main$tmp_guard0) [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) [L893] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \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, expression=1, expression=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: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 178 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 16.4s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 856 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 856 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 922 mSDsCounter, 139 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1667 IncrementalHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 139 mSolverCounterUnsat, 58 mSDtfsCounter, 1667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4525occurred in iteration=2, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 3409 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 1978 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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! [2021-11-23 03:36:17,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f031287f-e00c-42ad-818d-429093bdc1ed/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE