./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.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_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/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_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/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_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/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 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:09:12,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:09:12,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:09:12,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:09:12,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:09:12,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:09:12,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:09:12,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:09:12,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:09:12,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:09:12,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:09:12,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:09:12,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:09:12,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:09:12,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:09:12,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:09:12,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:09:12,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:09:12,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:09:12,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:09:12,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:09:12,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:09:12,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:09:12,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:09:12,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:09:12,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:09:12,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:09:12,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:09:12,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:09:12,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:09:12,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:09:12,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:09:12,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:09:12,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:09:12,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:09:12,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:09:12,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:09:12,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:09:12,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:09:12,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:09:12,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:09:12,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:09:12,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:09:12,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:09:12,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:09:12,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:09:12,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:09:12,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:09:12,205 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:09:12,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:09:12,205 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:09:12,206 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:09:12,206 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:09:12,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:09:12,206 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:09:12,206 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:09:12,207 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:09:12,207 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:09:12,207 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:09:12,207 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:09:12,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:09:12,209 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:09:12,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:09:12,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:09:12,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:09:12,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:09:12,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:09:12,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:09:12,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:09:12,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:09:12,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:09:12,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:09:12,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:09:12,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:09:12,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:09:12,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:09:12,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:09:12,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:09:12,212 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:09:12,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:09:12,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:09:12,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:09:12,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:09:12,214 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_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304137b4cdfcb1cb721c511de7faa38271d71a9e3815c7f79977f44461721381 [2021-11-23 02:09:12,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:09:12,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:09:12,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:09:12,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:09:12,564 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:09:12,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread-wmm/rfi006_rmo.i [2021-11-23 02:09:12,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/data/941903dda/21db047c5f7b40d99d2ca658cc3e795d/FLAG995a9f6ce [2021-11-23 02:09:13,241 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:09:13,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i [2021-11-23 02:09:13,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/data/941903dda/21db047c5f7b40d99d2ca658cc3e795d/FLAG995a9f6ce [2021-11-23 02:09:13,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/data/941903dda/21db047c5f7b40d99d2ca658cc3e795d [2021-11-23 02:09:13,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:09:13,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:09:13,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:09:13,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:09:13,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:09:13,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:13" (1/1) ... [2021-11-23 02:09:13,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22524fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:13, skipping insertion in model container [2021-11-23 02:09:13,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:13" (1/1) ... [2021-11-23 02:09:13,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:09:13,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:09:13,762 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_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i[987,1000] [2021-11-23 02:09:13,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:09:13,968 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:09:13,991 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_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/sv-benchmarks/c/pthread-wmm/rfi006_rmo.i[987,1000] [2021-11-23 02:09:14,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:09:14,139 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:09:14,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14 WrapperNode [2021-11-23 02:09:14,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:09:14,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:09:14,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:09:14,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:09:14,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,248 INFO L137 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2021-11-23 02:09:14,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:09:14,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:09:14,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:09:14,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:09:14,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:09:14,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:09:14,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:09:14,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:09:14,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (1/1) ... [2021-11-23 02:09:14,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:09:14,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:09:14,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:09:14,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:09:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:09:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:09:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 02:09:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:09:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:09:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:09:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 02:09:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 02:09:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 02:09:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 02:09:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 02:09:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 02:09:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:09:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 02:09:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:09:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:09:14,413 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 02:09:14,666 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:09:14,667 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:09:15,386 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:09:15,860 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:09:15,860 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:09:15,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:15 BoogieIcfgContainer [2021-11-23 02:09:15,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:09:15,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:09:15,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:09:15,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:09:15,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:09:13" (1/3) ... [2021-11-23 02:09:15,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fea6779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:09:15, skipping insertion in model container [2021-11-23 02:09:15,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:14" (2/3) ... [2021-11-23 02:09:15,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fea6779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:09:15, skipping insertion in model container [2021-11-23 02:09:15,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:15" (3/3) ... [2021-11-23 02:09:15,873 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi006_rmo.i [2021-11-23 02:09:15,879 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 02:09:15,879 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:09:15,879 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:09:15,880 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 02:09:15,932 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,932 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,933 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,933 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,933 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,933 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,933 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,934 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,934 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,934 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,934 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,934 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,934 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,935 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,935 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,935 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,935 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,935 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,935 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,936 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,937 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,938 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,939 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,940 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,942 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,942 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,943 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,944 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,944 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,944 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,946 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,946 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,946 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,946 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,946 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,947 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,947 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,948 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,949 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,950 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,950 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,950 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,951 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,952 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,952 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,953 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,953 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,954 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,954 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,955 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,955 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,955 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,956 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,956 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,956 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,956 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,956 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,956 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,957 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,957 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,957 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,957 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,960 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,960 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,960 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,960 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,961 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,961 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,961 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,962 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,962 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,962 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,963 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,964 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,965 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,965 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,965 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,965 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,965 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,965 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,966 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,966 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,966 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,971 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,975 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,976 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,976 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,976 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,976 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,976 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,977 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,977 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,977 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,977 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,977 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,978 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,978 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,978 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,978 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,978 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,978 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,979 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,979 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,979 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,979 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,979 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,980 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,980 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,980 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,980 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,980 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,982 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,982 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,982 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,982 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,982 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,982 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,983 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,983 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,983 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,983 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,983 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,986 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,986 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,986 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,987 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,991 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,991 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,991 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,991 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,992 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,992 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,992 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:15,993 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,004 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,004 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,004 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,005 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,005 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,005 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,005 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,005 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,005 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,006 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,006 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,007 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,007 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,014 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,015 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,015 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,025 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,026 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,026 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,026 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,026 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,027 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,027 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,028 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,028 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,028 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,028 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,029 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,030 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,030 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,030 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,030 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,030 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,031 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,033 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,034 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,034 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,034 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,034 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,034 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,035 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,035 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,035 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,035 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,035 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,035 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,036 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,036 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,036 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,036 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,036 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,037 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,037 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,037 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,037 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,037 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,038 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,038 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,038 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,039 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,039 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,039 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,039 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,040 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,040 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:09:16,040 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 02:09:16,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:09:16,103 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 02:09:16,103 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-23 02:09:16,121 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 02:09:16,136 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 131 transitions, 277 flow [2021-11-23 02:09:16,139 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 131 transitions, 277 flow [2021-11-23 02:09:16,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 131 transitions, 277 flow [2021-11-23 02:09:16,230 INFO L129 PetriNetUnfolder]: 2/128 cut-off events. [2021-11-23 02:09:16,230 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 02:09:16,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2021-11-23 02:09:16,240 INFO L116 LiptonReduction]: Number of co-enabled transitions 1760 [2021-11-23 02:09:42,116 INFO L131 LiptonReduction]: Checked pairs total: 4363 [2021-11-23 02:09:42,117 INFO L133 LiptonReduction]: Total number of compositions: 121 [2021-11-23 02:09:42,128 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 24 transitions, 63 flow [2021-11-23 02:09:42,200 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 370 states, 369 states have (on average 2.964769647696477) internal successors, (1094), 369 states have internal predecessors, (1094), 0 states have call successors, (0), 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 02:09:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 370 states, 369 states have (on average 2.964769647696477) internal successors, (1094), 369 states have internal predecessors, (1094), 0 states have call successors, (0), 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 02:09:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:09:42,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:42,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:42,215 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:42,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:42,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2064195662, now seen corresponding path program 1 times [2021-11-23 02:09:42,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:42,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706878934] [2021-11-23 02:09:42,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:42,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:09:42,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:42,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706878934] [2021-11-23 02:09:42,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706878934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:42,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:42,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 02:09:42,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814220716] [2021-11-23 02:09:42,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:42,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:09:42,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:42,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:09:42,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:09:42,592 INFO L87 Difference]: Start difference. First operand has 370 states, 369 states have (on average 2.964769647696477) internal successors, (1094), 369 states have internal predecessors, (1094), 0 states have call successors, (0), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:09:42,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:42,706 INFO L93 Difference]: Finished difference Result 362 states and 1064 transitions. [2021-11-23 02:09:42,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:09:42,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-23 02:09:42,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:42,734 INFO L225 Difference]: With dead ends: 362 [2021-11-23 02:09:42,735 INFO L226 Difference]: Without dead ends: 362 [2021-11-23 02:09:42,736 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 02:09:42,741 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:42,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 2 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:09:42,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-23 02:09:42,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-11-23 02:09:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 2.9473684210526314) internal successors, (1064), 361 states have internal predecessors, (1064), 0 states have call successors, (0), 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 02:09:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 1064 transitions. [2021-11-23 02:09:42,818 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 1064 transitions. Word has length 9 [2021-11-23 02:09:42,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:42,819 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 1064 transitions. [2021-11-23 02:09:42,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:09:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1064 transitions. [2021-11-23 02:09:42,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:09:42,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:42,822 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:42,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:09:42,823 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:42,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:42,824 INFO L85 PathProgramCache]: Analyzing trace with hash -434445735, now seen corresponding path program 1 times [2021-11-23 02:09:42,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:42,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725759268] [2021-11-23 02:09:42,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:42,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:42,941 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 02:09:42,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:42,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725759268] [2021-11-23 02:09:42,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725759268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:42,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:42,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 02:09:42,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742268185] [2021-11-23 02:09:42,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:42,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:09:42,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:42,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:09:42,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:09:42,945 INFO L87 Difference]: Start difference. First operand 362 states and 1064 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 02:09:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:43,009 INFO L93 Difference]: Finished difference Result 338 states and 982 transitions. [2021-11-23 02:09:43,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:09:43,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-11-23 02:09:43,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:43,019 INFO L225 Difference]: With dead ends: 338 [2021-11-23 02:09:43,020 INFO L226 Difference]: Without dead ends: 338 [2021-11-23 02:09:43,020 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 02:09:43,023 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:43,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 3 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:09:43,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2021-11-23 02:09:43,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2021-11-23 02:09:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 337 states have (on average 2.913946587537092) internal successors, (982), 337 states have internal predecessors, (982), 0 states have call successors, (0), 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 02:09:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 982 transitions. [2021-11-23 02:09:43,062 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 982 transitions. Word has length 10 [2021-11-23 02:09:43,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:43,062 INFO L470 AbstractCegarLoop]: Abstraction has 338 states and 982 transitions. [2021-11-23 02:09:43,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 02:09:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 982 transitions. [2021-11-23 02:09:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:09:43,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:43,065 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:43,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:09:43,065 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:43,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:43,066 INFO L85 PathProgramCache]: Analyzing trace with hash -582918427, now seen corresponding path program 1 times [2021-11-23 02:09:43,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:43,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43320954] [2021-11-23 02:09:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:43,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:09:43,227 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:43,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43320954] [2021-11-23 02:09:43,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43320954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:43,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:43,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 02:09:43,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505808326] [2021-11-23 02:09:43,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:43,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:09:43,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:43,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:09:43,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:09:43,230 INFO L87 Difference]: Start difference. First operand 338 states and 982 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 02:09:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:43,344 INFO L93 Difference]: Finished difference Result 326 states and 941 transitions. [2021-11-23 02:09:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:09:43,345 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 02:09:43,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:43,349 INFO L225 Difference]: With dead ends: 326 [2021-11-23 02:09:43,349 INFO L226 Difference]: Without dead ends: 326 [2021-11-23 02:09:43,350 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 02:09:43,352 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:43,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 4 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:09:43,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-11-23 02:09:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2021-11-23 02:09:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 2.8953846153846152) internal successors, (941), 325 states have internal predecessors, (941), 0 states have call successors, (0), 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 02:09:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 941 transitions. [2021-11-23 02:09:43,383 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 941 transitions. Word has length 11 [2021-11-23 02:09:43,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:43,384 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 941 transitions. [2021-11-23 02:09:43,384 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 02:09:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 941 transitions. [2021-11-23 02:09:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:09:43,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:43,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:43,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:09:43,387 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:43,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:43,388 INFO L85 PathProgramCache]: Analyzing trace with hash -890135615, now seen corresponding path program 1 times [2021-11-23 02:09:43,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:43,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200702652] [2021-11-23 02:09:43,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:43,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:43,747 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 02:09:43,747 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:43,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200702652] [2021-11-23 02:09:43,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200702652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:43,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:43,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:09:43,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197277478] [2021-11-23 02:09:43,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:43,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:09:43,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:43,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:09:43,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:09:43,751 INFO L87 Difference]: Start difference. First operand 326 states and 941 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 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 02:09:43,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:43,912 INFO L93 Difference]: Finished difference Result 404 states and 1161 transitions. [2021-11-23 02:09:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:09:43,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 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 02:09:43,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:43,917 INFO L225 Difference]: With dead ends: 404 [2021-11-23 02:09:43,917 INFO L226 Difference]: Without dead ends: 404 [2021-11-23 02:09:43,922 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 02:09:43,923 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 30 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:43,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 7 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:09:43,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2021-11-23 02:09:43,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 386. [2021-11-23 02:09:43,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 2.9064935064935065) internal successors, (1119), 385 states have internal predecessors, (1119), 0 states have call successors, (0), 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 02:09:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 1119 transitions. [2021-11-23 02:09:43,945 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 1119 transitions. Word has length 12 [2021-11-23 02:09:43,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:43,945 INFO L470 AbstractCegarLoop]: Abstraction has 386 states and 1119 transitions. [2021-11-23 02:09:43,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 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 02:09:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 1119 transitions. [2021-11-23 02:09:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:09:43,952 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:43,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:43,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:09:43,953 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:43,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1592217311, now seen corresponding path program 2 times [2021-11-23 02:09:43,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:43,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880212180] [2021-11-23 02:09:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:43,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:44,255 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 02:09:44,255 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:44,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880212180] [2021-11-23 02:09:44,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880212180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:44,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:44,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:09:44,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885282418] [2021-11-23 02:09:44,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:44,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:09:44,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:44,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:09:44,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:09:44,263 INFO L87 Difference]: Start difference. First operand 386 states and 1119 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 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 02:09:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:44,424 INFO L93 Difference]: Finished difference Result 383 states and 1108 transitions. [2021-11-23 02:09:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:09:44,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 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 02:09:44,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:44,433 INFO L225 Difference]: With dead ends: 383 [2021-11-23 02:09:44,434 INFO L226 Difference]: Without dead ends: 383 [2021-11-23 02:09:44,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:09:44,435 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 25 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:44,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 9 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:09:44,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-11-23 02:09:44,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2021-11-23 02:09:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 2.900523560209424) internal successors, (1108), 382 states have internal predecessors, (1108), 0 states have call successors, (0), 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 02:09:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 1108 transitions. [2021-11-23 02:09:44,451 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 1108 transitions. Word has length 12 [2021-11-23 02:09:44,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:44,452 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 1108 transitions. [2021-11-23 02:09:44,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 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 02:09:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1108 transitions. [2021-11-23 02:09:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 02:09:44,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:44,454 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:44,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:09:44,454 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:44,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:44,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1716994727, now seen corresponding path program 1 times [2021-11-23 02:09:44,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:44,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384814244] [2021-11-23 02:09:44,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:44,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:44,601 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 02:09:44,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:44,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384814244] [2021-11-23 02:09:44,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384814244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:44,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:44,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:09:44,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236928648] [2021-11-23 02:09:44,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:44,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:09:44,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:44,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:09:44,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:09:44,604 INFO L87 Difference]: Start difference. First operand 383 states and 1108 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:09:44,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:44,707 INFO L93 Difference]: Finished difference Result 380 states and 981 transitions. [2021-11-23 02:09:44,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:09:44,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-23 02:09:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:44,713 INFO L225 Difference]: With dead ends: 380 [2021-11-23 02:09:44,713 INFO L226 Difference]: Without dead ends: 285 [2021-11-23 02:09:44,713 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 02:09:44,714 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 24 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:44,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 10 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:09:44,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-11-23 02:09:44,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2021-11-23 02:09:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 284 states have (on average 2.5211267605633805) internal successors, (716), 284 states have internal predecessors, (716), 0 states have call successors, (0), 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 02:09:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 716 transitions. [2021-11-23 02:09:44,726 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 716 transitions. Word has length 13 [2021-11-23 02:09:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:44,727 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 716 transitions. [2021-11-23 02:09:44,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:09:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 716 transitions. [2021-11-23 02:09:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:09:44,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:44,729 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:44,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:09:44,729 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:44,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:44,730 INFO L85 PathProgramCache]: Analyzing trace with hash -690459419, now seen corresponding path program 1 times [2021-11-23 02:09:44,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:44,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236471101] [2021-11-23 02:09:44,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:44,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:44,976 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 02:09:44,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:44,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236471101] [2021-11-23 02:09:44,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236471101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:44,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:44,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:09:44,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056342316] [2021-11-23 02:09:44,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:44,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:09:44,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:44,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:09:44,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:09:44,979 INFO L87 Difference]: Start difference. First operand 285 states and 716 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 02:09:45,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:45,342 INFO L93 Difference]: Finished difference Result 476 states and 1186 transitions. [2021-11-23 02:09:45,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:09:45,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 02:09:45,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:45,348 INFO L225 Difference]: With dead ends: 476 [2021-11-23 02:09:45,348 INFO L226 Difference]: Without dead ends: 444 [2021-11-23 02:09:45,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:09:45,349 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 33 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:45,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 22 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:09:45,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-11-23 02:09:45,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 308. [2021-11-23 02:09:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 307 states have (on average 2.488599348534202) internal successors, (764), 307 states have internal predecessors, (764), 0 states have call successors, (0), 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 02:09:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 764 transitions. [2021-11-23 02:09:45,369 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 764 transitions. Word has length 14 [2021-11-23 02:09:45,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:45,369 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 764 transitions. [2021-11-23 02:09:45,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 02:09:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 764 transitions. [2021-11-23 02:09:45,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:09:45,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:45,371 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:45,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:09:45,372 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:45,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:45,372 INFO L85 PathProgramCache]: Analyzing trace with hash 911643576, now seen corresponding path program 1 times [2021-11-23 02:09:45,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:45,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228923120] [2021-11-23 02:09:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:45,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:45,470 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 02:09:45,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:45,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228923120] [2021-11-23 02:09:45,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228923120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:45,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:45,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:09:45,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375919931] [2021-11-23 02:09:45,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:45,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:09:45,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:45,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:09:45,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:09:45,474 INFO L87 Difference]: Start difference. First operand 308 states and 764 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:09:45,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:45,663 INFO L93 Difference]: Finished difference Result 263 states and 596 transitions. [2021-11-23 02:09:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:09:45,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-23 02:09:45,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:45,666 INFO L225 Difference]: With dead ends: 263 [2021-11-23 02:09:45,667 INFO L226 Difference]: Without dead ends: 200 [2021-11-23 02:09:45,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:09:45,668 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 41 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:45,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 14 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:09:45,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-11-23 02:09:45,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-11-23 02:09:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 2.221105527638191) internal successors, (442), 199 states have internal predecessors, (442), 0 states have call successors, (0), 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 02:09:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 442 transitions. [2021-11-23 02:09:45,679 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 442 transitions. Word has length 15 [2021-11-23 02:09:45,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:45,679 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 442 transitions. [2021-11-23 02:09:45,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:09:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 442 transitions. [2021-11-23 02:09:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:09:45,681 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:45,682 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 02:09:45,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:09:45,682 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:45,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1463589101, now seen corresponding path program 1 times [2021-11-23 02:09:45,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:45,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508460201] [2021-11-23 02:09:45,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:45,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:45,829 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 02:09:45,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:45,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508460201] [2021-11-23 02:09:45,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508460201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:45,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:45,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:09:45,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707497006] [2021-11-23 02:09:45,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:45,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:09:45,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:45,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:09:45,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:09:45,833 INFO L87 Difference]: Start difference. First operand 200 states and 442 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 02:09:45,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:45,998 INFO L93 Difference]: Finished difference Result 181 states and 402 transitions. [2021-11-23 02:09:45,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:09:45,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 02:09:45,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:46,000 INFO L225 Difference]: With dead ends: 181 [2021-11-23 02:09:46,000 INFO L226 Difference]: Without dead ends: 148 [2021-11-23 02:09:46,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:09:46,001 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 40 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:46,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 14 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:09:46,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-11-23 02:09:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2021-11-23 02:09:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 2.269503546099291) internal successors, (320), 141 states have internal predecessors, (320), 0 states have call successors, (0), 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 02:09:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 320 transitions. [2021-11-23 02:09:46,007 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 320 transitions. Word has length 17 [2021-11-23 02:09:46,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:46,007 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 320 transitions. [2021-11-23 02:09:46,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 02:09:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 320 transitions. [2021-11-23 02:09:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 02:09:46,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:46,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:46,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:09:46,010 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:46,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:46,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1818127951, now seen corresponding path program 1 times [2021-11-23 02:09:46,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:46,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347568881] [2021-11-23 02:09:46,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:46,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:09:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:09:46,266 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:09:46,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347568881] [2021-11-23 02:09:46,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347568881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:09:46,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:09:46,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:09:46,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382862107] [2021-11-23 02:09:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:09:46,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:09:46,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:09:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:09:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:09:46,270 INFO L87 Difference]: Start difference. First operand 142 states and 320 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:09:46,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:09:46,413 INFO L93 Difference]: Finished difference Result 168 states and 368 transitions. [2021-11-23 02:09:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:09:46,414 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-23 02:09:46,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:09:46,415 INFO L225 Difference]: With dead ends: 168 [2021-11-23 02:09:46,416 INFO L226 Difference]: Without dead ends: 97 [2021-11-23 02:09:46,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:09:46,417 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 28 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:09:46,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 11 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:09:46,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-23 02:09:46,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-11-23 02:09:46,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 2.1458333333333335) internal successors, (206), 96 states have internal predecessors, (206), 0 states have call successors, (0), 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 02:09:46,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 206 transitions. [2021-11-23 02:09:46,423 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 206 transitions. Word has length 19 [2021-11-23 02:09:46,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:09:46,423 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 206 transitions. [2021-11-23 02:09:46,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:09:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 206 transitions. [2021-11-23 02:09:46,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 02:09:46,425 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:09:46,425 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:46,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:09:46,425 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 02:09:46,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:09:46,426 INFO L85 PathProgramCache]: Analyzing trace with hash 341864239, now seen corresponding path program 2 times [2021-11-23 02:09:46,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:09:46,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382768006] [2021-11-23 02:09:46,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:09:46,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:09:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:09:46,537 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:09:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:09:46,692 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:09:46,692 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:09:46,693 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-23 02:09:46,696 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-23 02:09:46,696 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-23 02:09:46,696 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-23 02:09:46,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 02:09:46,699 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:09:46,703 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 02:09:46,704 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:09:46,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:09:46 BasicIcfg [2021-11-23 02:09:46,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:09:46,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:09:46,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:09:46,799 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:09:46,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:09:15" (3/4) ... [2021-11-23 02:09:46,802 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 02:09:46,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:09:46,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:09:46,948 INFO L158 Benchmark]: Toolchain (without parser) took 33447.32ms. Allocated memory was 102.8MB in the beginning and 182.5MB in the end (delta: 79.7MB). Free memory was 68.7MB in the beginning and 102.4MB in the end (delta: -33.7MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2021-11-23 02:09:46,948 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 102.8MB. Free memory was 55.1MB in the beginning and 55.0MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:09:46,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.13ms. Allocated memory is still 102.8MB. Free memory was 68.5MB in the beginning and 63.2MB in the end (delta: 5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:09:46,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.88ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 60.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:09:46,950 INFO L158 Benchmark]: Boogie Preprocessor took 58.41ms. Allocated memory is still 102.8MB. Free memory was 60.6MB in the beginning and 58.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:09:46,951 INFO L158 Benchmark]: RCFGBuilder took 1553.15ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 58.3MB in the beginning and 71.0MB in the end (delta: -12.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2021-11-23 02:09:46,951 INFO L158 Benchmark]: TraceAbstraction took 30933.46ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 69.8MB in the beginning and 123.3MB in the end (delta: -53.6MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2021-11-23 02:09:46,951 INFO L158 Benchmark]: Witness Printer took 148.17ms. Allocated memory is still 182.5MB. Free memory was 123.3MB in the beginning and 102.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 02:09:46,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 102.8MB. Free memory was 55.1MB in the beginning and 55.0MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.13ms. Allocated memory is still 102.8MB. Free memory was 68.5MB in the beginning and 63.2MB in the end (delta: 5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.88ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 60.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.41ms. Allocated memory is still 102.8MB. Free memory was 60.6MB in the beginning and 58.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1553.15ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 58.3MB in the beginning and 71.0MB in the end (delta: -12.7MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * TraceAbstraction took 30933.46ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 69.8MB in the beginning and 123.3MB in the end (delta: -53.6MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * Witness Printer took 148.17ms. Allocated memory is still 182.5MB. Free memory was 123.3MB in the beginning and 102.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.0s, 139 PlacesBefore, 33 PlacesAfterwards, 131 TransitionsBefore, 24 TransitionsAfterwards, 1760 CoEnabledTransitionPairs, 8 FixpointIterations, 60 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 121 TotalNumberOfCompositions, 4363 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2061, positive: 1861, positive conditional: 0, positive unconditional: 1861, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1195, positive: 1149, positive conditional: 0, positive unconditional: 1149, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1195, positive: 1129, positive conditional: 0, positive unconditional: 1129, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14164, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 342, negative conditional: 0, negative unconditional: 342, unknown: 13748, unknown conditional: 0, unknown unconditional: 13748] ], Cache Queries: [ total: 2061, positive: 712, positive conditional: 0, positive unconditional: 712, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 1195, unknown conditional: 0, unknown unconditional: 1195] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - 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: 19]: 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_p0_EAX = 0; [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; [L714] 0 int __unbuffered_p0_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; [L725] 0 int __unbuffered_p0_EAX$w_buff0; [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; [L727] 0 int __unbuffered_p0_EAX$w_buff1; [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; [L730] 0 int __unbuffered_p1_EAX = 0; [L732] 0 int __unbuffered_p1_EBX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L737] 0 _Bool x$flush_delayed; [L738] 0 int x$mem_tmp; [L739] 0 _Bool x$r_buff0_thd0; [L740] 0 _Bool x$r_buff0_thd1; [L741] 0 _Bool x$r_buff0_thd2; [L742] 0 _Bool x$r_buff0_thd3; [L743] 0 _Bool x$r_buff1_thd0; [L744] 0 _Bool x$r_buff1_thd1; [L745] 0 _Bool x$r_buff1_thd2; [L746] 0 _Bool x$r_buff1_thd3; [L747] 0 _Bool x$read_delayed; [L748] 0 int *x$read_delayed_var; [L749] 0 int x$w_buff0; [L750] 0 _Bool x$w_buff0_used; [L751] 0 int x$w_buff1; [L752] 0 _Bool x$w_buff1_used; [L754] 0 int y = 0; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L847] 0 pthread_t t1693; [L848] FCALL, FORK 0 pthread_create(&t1693, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1693, ((void *)0), P0, ((void *)0))=-2, t1693={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L849] 0 pthread_t t1694; [L850] FCALL, FORK 0 pthread_create(&t1694, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1694, ((void *)0), P1, ((void *)0))=-1, t1693={7:0}, t1694={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L851] 0 pthread_t t1695; [L852] FCALL, FORK 0 pthread_create(&t1695, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1695, ((void *)0), P2, ((void *)0))=0, t1693={7:0}, t1694={5:0}, t1695={6:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L761] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L763] 1 x$flush_delayed = weak$$choice2 [L764] EXPR 1 \read(x) [L764] 1 x$mem_tmp = x [L765] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L765] EXPR 1 \read(x) [L765] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L765] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L766] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L766] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L767] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L767] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L768] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L768] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L769] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L770] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L770] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L771] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L771] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L772] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L773] 1 __unbuffered_p0_EAX$read_delayed_var = &x [L774] EXPR 1 \read(x) [L774] 1 __unbuffered_p0_EAX = x [L775] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L775] 1 x = x$flush_delayed ? x$mem_tmp : x [L776] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=6, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L779] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=6, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L784] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L786] 1 return 0; [L791] 2 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=6, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L794] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=6, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L797] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L798] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L799] 2 x$flush_delayed = weak$$choice2 [L800] EXPR 2 \read(x) [L800] 2 x$mem_tmp = x [L801] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L801] EXPR 2 \read(x) [L801] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L801] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L802] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L802] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L803] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L803] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L804] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L804] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L805] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L805] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L806] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L806] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L807] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L807] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 2 \read(x) [L808] 2 __unbuffered_p1_EBX = x [L809] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L809] 2 x = x$flush_delayed ? x$mem_tmp : x [L810] 2 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L822] 3 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L815] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L817] 2 return 0; [L825] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L825] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L825] EXPR 3 \read(x) [L825] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L825] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L825] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L826] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L826] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L827] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L828] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L828] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L829] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L829] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L832] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L834] 3 return 0; [L854] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L856] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L856] RET 0 assume_abort_if_not(main$tmp_guard0) [L858] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L858] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L858] EXPR 0 \read(x) [L858] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L858] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L858] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L859] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L859] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L860] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L861] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L861] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L862] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L862] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L865] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L866] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L866] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L866] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L866] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L866] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L866] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L867] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L869] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=1, weak$$choice2=255, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - UnprovableResult [Line: 848]: 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: 852]: 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: 850]: 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 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 30.6s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 26.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 96 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 330 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 710 IncrementalHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 33 mSDtfsCounter, 710 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=4, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 160 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 1299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 02:09:47,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e76f21-a9ed-4387-80f4-8a94dd3d0326/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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