./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF --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 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:11:49,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:11:49,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:11:50,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:11:50,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:11:50,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:11:50,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:11:50,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:11:50,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:11:50,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:11:50,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:11:50,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:11:50,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:11:50,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:11:50,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:11:50,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:11:50,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:11:50,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:11:50,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:11:50,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:11:50,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:11:50,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:11:50,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:11:50,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:11:50,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:11:50,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:11:50,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:11:50,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:11:50,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:11:50,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:11:50,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:11:50,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:11:50,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:11:50,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:11:50,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:11:50,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:11:50,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:11:50,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:11:50,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:11:50,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:11:50,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:11:50,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:11:50,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:11:50,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:11:50,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:11:50,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:11:50,177 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:11:50,177 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:11:50,177 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:11:50,178 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:11:50,185 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:11:50,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:11:50,186 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:11:50,187 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:11:50,187 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:11:50,187 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:11:50,188 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:11:50,188 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:11:50,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:11:50,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:11:50,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:11:50,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:11:50,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:11:50,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:11:50,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:11:50,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:11:50,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:11:50,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:11:50,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:11:50,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:11:50,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:11:50,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:11:50,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:11:50,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:11:50,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:11:50,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:11:50,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:11:50,195 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:11:50,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:11:50,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:11:50,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:11:50,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:11:50,196 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_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2021-11-12 23:11:50,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:11:50,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:11:50,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:11:50,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:11:50,552 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:11:50,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread/queue_longer.i [2021-11-12 23:11:50,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/data/a2569e7c2/07e26b41a17b4363a5f0c6d7ee064c29/FLAGf7f519da1 [2021-11-12 23:11:51,308 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:11:51,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/sv-benchmarks/c/pthread/queue_longer.i [2021-11-12 23:11:51,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/data/a2569e7c2/07e26b41a17b4363a5f0c6d7ee064c29/FLAGf7f519da1 [2021-11-12 23:11:51,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/data/a2569e7c2/07e26b41a17b4363a5f0c6d7ee064c29 [2021-11-12 23:11:51,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:11:51,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:11:51,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:11:51,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:11:51,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:11:51,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:11:51" (1/1) ... [2021-11-12 23:11:51,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2347386c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:51, skipping insertion in model container [2021-11-12 23:11:51,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:11:51" (1/1) ... [2021-11-12 23:11:51,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:11:51,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:11:52,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2021-11-12 23:11:52,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2021-11-12 23:11:52,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2021-11-12 23:11:52,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:11:52,286 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:11:52,340 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/sv-benchmarks/c/pthread/queue_longer.i[43296,43309] [2021-11-12 23:11:52,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/sv-benchmarks/c/pthread/queue_longer.i[43503,43516] [2021-11-12 23:11:52,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/sv-benchmarks/c/pthread/queue_longer.i[43783,43796] [2021-11-12 23:11:52,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:11:52,429 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:11:52,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52 WrapperNode [2021-11-12 23:11:52,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:11:52,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:11:52,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:11:52,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:11:52,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:11:52,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:11:52,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:11:52,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:11:52,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:11:52,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:11:52,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:11:52,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:11:52,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (1/1) ... [2021-11-12 23:11:52,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:11:52,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:11:52,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:11:52,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c585bf4-69c6-4d9a-925c-12c365fc24f4/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:11:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-12 23:11:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-12 23:11:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-12 23:11:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-12 23:11:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:11:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:11:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:11:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:11:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-12 23:11:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:11:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:11:52,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:11:52,752 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:11:53,375 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:11:53,376 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:11:53,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:11:53 BoogieIcfgContainer [2021-11-12 23:11:53,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:11:53,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:11:53,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:11:53,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:11:53,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:11:51" (1/3) ... [2021-11-12 23:11:53,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c796e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:11:53, skipping insertion in model container [2021-11-12 23:11:53,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:52" (2/3) ... [2021-11-12 23:11:53,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c796e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:11:53, skipping insertion in model container [2021-11-12 23:11:53,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:11:53" (3/3) ... [2021-11-12 23:11:53,393 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2021-11-12 23:11:53,399 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:11:53,400 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:11:53,400 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:11:53,400 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:11:53,514 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,515 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,515 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,516 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,516 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,516 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,517 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,518 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,518 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,519 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,519 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,519 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,520 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,520 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,521 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,521 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,521 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,534 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,534 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,535 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,535 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,536 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,536 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,536 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,537 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,537 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,537 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,537 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,538 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,538 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,538 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,539 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,540 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,540 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,540 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,540 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,541 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,541 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,541 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,541 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,542 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,542 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,542 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,543 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,543 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,543 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,544 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,544 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,544 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,544 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,545 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,545 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,545 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,546 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,546 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,546 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,547 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,547 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,547 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,548 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,548 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,548 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,548 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,549 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,549 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,549 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,550 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,550 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,550 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,551 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,551 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,551 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,551 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,552 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,552 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,552 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,553 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,553 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,553 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,554 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,554 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,568 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,569 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,569 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,570 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,570 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,570 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,571 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,571 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,571 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,572 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,572 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,572 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,573 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,573 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,573 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,573 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,574 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,574 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,574 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,575 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,575 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,575 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,576 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,576 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,576 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,577 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,577 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,577 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,578 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,578 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,578 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,578 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,579 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,579 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,579 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,580 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,580 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,580 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,581 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,582 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,583 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,583 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,583 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,584 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,584 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,584 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,584 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,598 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,599 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,600 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,601 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,602 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,602 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,602 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,603 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,603 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,603 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,604 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,604 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,604 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,605 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,605 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,605 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,606 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,606 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,606 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,607 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,607 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,607 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,608 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,608 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,608 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,608 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,609 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,609 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,609 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,609 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,610 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,610 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,610 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,611 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,611 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,611 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,611 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,612 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,612 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,612 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,613 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,613 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,613 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,614 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,614 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,614 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,615 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,615 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,615 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,615 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,616 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,616 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,616 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,617 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,617 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,617 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,618 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,618 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,619 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,634 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,634 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,635 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,635 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,636 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,636 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,636 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,636 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,637 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,637 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,637 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,638 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,638 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,638 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,639 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,639 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,639 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,640 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,640 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,640 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,641 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,641 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,641 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,642 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,642 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,642 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,643 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,643 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,643 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,644 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,644 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,644 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,645 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,645 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,645 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,646 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,646 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,646 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,647 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,647 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,648 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,649 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,650 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,651 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,652 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,661 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,662 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,662 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,663 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,664 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,664 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,664 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,665 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,665 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,690 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,691 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,692 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,693 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,694 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,695 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,696 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,697 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,698 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,699 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,699 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,699 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,700 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,700 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,700 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,701 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,701 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,701 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,722 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,722 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,722 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,723 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,723 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,723 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,724 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,724 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,724 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,733 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,759 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,760 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,761 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,762 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,763 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,764 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,765 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,766 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,778 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,778 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,779 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,780 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,780 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,780 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,780 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,781 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,781 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,781 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,781 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,782 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,783 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,783 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,783 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,784 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,789 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,795 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,799 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,800 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,800 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,800 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,800 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,801 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,801 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,801 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,801 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,802 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,802 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,802 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,802 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,803 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,811 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,811 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,811 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,811 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,811 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,817 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,818 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,825 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,826 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,827 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,828 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,829 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,830 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,831 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,844 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,844 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,844 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,847 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,847 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,847 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,848 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,848 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,848 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,848 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,849 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,849 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,849 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,850 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,850 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,850 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,857 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,859 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,859 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,859 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,870 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,871 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,871 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,871 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,872 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,873 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,874 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,875 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,876 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:11:53,891 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-12 23:11:53,967 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:11:53,977 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 [2021-11-12 23:11:53,977 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-12 23:11:54,003 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:11:54,023 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 271 transitions, 558 flow [2021-11-12 23:11:54,027 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 271 transitions, 558 flow [2021-11-12 23:11:54,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 271 transitions, 558 flow [2021-11-12 23:11:54,258 INFO L129 PetriNetUnfolder]: 15/269 cut-off events. [2021-11-12 23:11:54,258 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-12 23:11:54,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 269 events. 15/269 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 372 event pairs, 0 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 195. Up to 2 conditions per place. [2021-11-12 23:11:54,300 INFO L116 LiptonReduction]: Number of co-enabled transitions 16892 [2021-11-12 23:12:15,257 INFO L131 LiptonReduction]: Checked pairs total: 34257 [2021-11-12 23:12:15,258 INFO L133 LiptonReduction]: Total number of compositions: 247 [2021-11-12 23:12:15,269 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 66 transitions, 148 flow [2021-11-12 23:12:15,354 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1023 states, 1018 states have (on average 2.805500982318271) internal successors, (2856), 1022 states have internal predecessors, (2856), 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) [2021-11-12 23:12:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 1023 states, 1018 states have (on average 2.805500982318271) internal successors, (2856), 1022 states have internal predecessors, (2856), 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) [2021-11-12 23:12:15,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-12 23:12:15,370 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:15,370 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-12 23:12:15,371 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:15,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:15,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1066, now seen corresponding path program 1 times [2021-11-12 23:12:15,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:15,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903331337] [2021-11-12 23:12:15,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:15,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:15,510 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:15,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903331337] [2021-11-12 23:12:15,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903331337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:15,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:15,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-12 23:12:15,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802820820] [2021-11-12 23:12:15,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:15,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:12:15,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:15,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:12:15,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:12:15,549 INFO L87 Difference]: Start difference. First operand has 1023 states, 1018 states have (on average 2.805500982318271) internal successors, (2856), 1022 states have internal predecessors, (2856), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-12 23:12:15,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:15,679 INFO L93 Difference]: Finished difference Result 1022 states and 2761 transitions. [2021-11-12 23:12:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:12:15,682 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2021-11-12 23:12:15,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:15,726 INFO L225 Difference]: With dead ends: 1022 [2021-11-12 23:12:15,726 INFO L226 Difference]: Without dead ends: 1020 [2021-11-12 23:12:15,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:12:15,733 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.80ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:15,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 52 Unknown, 0 Unchecked, 0.80ms Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 77.40ms Time] [2021-11-12 23:12:15,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-12 23:12:15,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2021-11-12 23:12:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 1017 states have (on average 2.7099311701081614) internal successors, (2756), 1019 states have internal predecessors, (2756), 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) [2021-11-12 23:12:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 2756 transitions. [2021-11-12 23:12:15,872 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 2756 transitions. Word has length 1 [2021-11-12 23:12:15,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:15,872 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 2756 transitions. [2021-11-12 23:12:15,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-12 23:12:15,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 2756 transitions. [2021-11-12 23:12:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 23:12:15,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:15,875 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:15,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:12:15,875 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:15,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:15,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1999395830, now seen corresponding path program 1 times [2021-11-12 23:12:15,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:15,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245641378] [2021-11-12 23:12:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:15,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:16,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:16,088 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:16,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245641378] [2021-11-12 23:12:16,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245641378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:16,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:16,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:12:16,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669628548] [2021-11-12 23:12:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:16,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:12:16,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:16,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:12:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:12:16,092 INFO L87 Difference]: Start difference. First operand 1020 states and 2756 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2021-11-12 23:12:16,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:16,237 INFO L93 Difference]: Finished difference Result 1020 states and 2722 transitions. [2021-11-12 23:12:16,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:12:16,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 [2021-11-12 23:12:16,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:16,248 INFO L225 Difference]: With dead ends: 1020 [2021-11-12 23:12:16,248 INFO L226 Difference]: Without dead ends: 1020 [2021-11-12 23:12:16,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:12:16,250 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 21 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.71ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.82ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:16,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 15 Invalid, 121 Unknown, 0 Unchecked, 1.71ms Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 121.82ms Time] [2021-11-12 23:12:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-12 23:12:16,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2021-11-12 23:12:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 1017 states have (on average 2.6764995083579155) internal successors, (2722), 1019 states have internal predecessors, (2722), 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) [2021-11-12 23:12:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 2722 transitions. [2021-11-12 23:12:16,292 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 2722 transitions. Word has length 11 [2021-11-12 23:12:16,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:16,293 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 2722 transitions. [2021-11-12 23:12:16,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2021-11-12 23:12:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 2722 transitions. [2021-11-12 23:12:16,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:12:16,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:16,296 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:16,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:12:16,297 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:16,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash -544090567, now seen corresponding path program 1 times [2021-11-12 23:12:16,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:16,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667543732] [2021-11-12 23:12:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:16,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:16,400 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:16,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667543732] [2021-11-12 23:12:16,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667543732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:16,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:16,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:12:16,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579454198] [2021-11-12 23:12:16,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:16,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:12:16,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:16,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:12:16,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:12:16,403 INFO L87 Difference]: Start difference. First operand 1020 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2021-11-12 23:12:16,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:16,528 INFO L93 Difference]: Finished difference Result 880 states and 2294 transitions. [2021-11-12 23:12:16,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:12:16,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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 [2021-11-12 23:12:16,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:16,536 INFO L225 Difference]: With dead ends: 880 [2021-11-12 23:12:16,537 INFO L226 Difference]: Without dead ends: 854 [2021-11-12 23:12:16,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:12:16,538 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 39 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.88ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:16,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 11 Invalid, 86 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 106.88ms Time] [2021-11-12 23:12:16,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2021-11-12 23:12:16,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2021-11-12 23:12:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 851 states have (on average 2.6227967097532314) internal successors, (2232), 853 states have internal predecessors, (2232), 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) [2021-11-12 23:12:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2232 transitions. [2021-11-12 23:12:16,575 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2232 transitions. Word has length 13 [2021-11-12 23:12:16,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:16,576 INFO L470 AbstractCegarLoop]: Abstraction has 854 states and 2232 transitions. [2021-11-12 23:12:16,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 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) [2021-11-12 23:12:16,576 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2232 transitions. [2021-11-12 23:12:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:12:16,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:16,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:16,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-12 23:12:16,579 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:16,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:16,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1567354837, now seen corresponding path program 1 times [2021-11-12 23:12:16,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:16,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062498164] [2021-11-12 23:12:16,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:16,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:17,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:17,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062498164] [2021-11-12 23:12:17,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062498164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:17,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:17,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:12:17,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949790618] [2021-11-12 23:12:17,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:17,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:17,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:17,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:17,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:12:17,075 INFO L87 Difference]: Start difference. First operand 854 states and 2232 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 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) [2021-11-12 23:12:17,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:17,420 INFO L93 Difference]: Finished difference Result 853 states and 2229 transitions. [2021-11-12 23:12:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:12:17,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 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 [2021-11-12 23:12:17,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:17,429 INFO L225 Difference]: With dead ends: 853 [2021-11-12 23:12:17,430 INFO L226 Difference]: Without dead ends: 853 [2021-11-12 23:12:17,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:17,431 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 256.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.92ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 288.30ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:17,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 16 Invalid, 165 Unknown, 0 Unchecked, 1.92ms Time], IncrementalHoareTripleChecker [2 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 288.30ms Time] [2021-11-12 23:12:17,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2021-11-12 23:12:17,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2021-11-12 23:12:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 850 states have (on average 2.6223529411764708) internal successors, (2229), 852 states have internal predecessors, (2229), 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) [2021-11-12 23:12:17,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 2229 transitions. [2021-11-12 23:12:17,485 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 2229 transitions. Word has length 13 [2021-11-12 23:12:17,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:17,486 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 2229 transitions. [2021-11-12 23:12:17,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 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) [2021-11-12 23:12:17,486 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 2229 transitions. [2021-11-12 23:12:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:12:17,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:17,490 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:17,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-12 23:12:17,490 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:17,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:17,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1983299724, now seen corresponding path program 1 times [2021-11-12 23:12:17,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:17,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329143186] [2021-11-12 23:12:17,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:17,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:18,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:18,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329143186] [2021-11-12 23:12:18,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329143186] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:18,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:18,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-12 23:12:18,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371822329] [2021-11-12 23:12:18,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:18,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:12:18,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:18,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:12:18,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:18,191 INFO L87 Difference]: Start difference. First operand 853 states and 2229 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-11-12 23:12:18,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:18,730 INFO L93 Difference]: Finished difference Result 919 states and 2391 transitions. [2021-11-12 23:12:18,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:12:18,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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 [2021-11-12 23:12:18,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:18,740 INFO L225 Difference]: With dead ends: 919 [2021-11-12 23:12:18,740 INFO L226 Difference]: Without dead ends: 919 [2021-11-12 23:12:18,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:12:18,741 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 47 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 415.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.73ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 466.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:18,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 21 Invalid, 226 Unknown, 0 Unchecked, 2.73ms Time], IncrementalHoareTripleChecker [4 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 466.69ms Time] [2021-11-12 23:12:18,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2021-11-12 23:12:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 897. [2021-11-12 23:12:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 894 states have (on average 2.6140939597315436) internal successors, (2337), 896 states have internal predecessors, (2337), 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) [2021-11-12 23:12:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 2337 transitions. [2021-11-12 23:12:18,780 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 2337 transitions. Word has length 14 [2021-11-12 23:12:18,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:18,780 INFO L470 AbstractCegarLoop]: Abstraction has 897 states and 2337 transitions. [2021-11-12 23:12:18,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-11-12 23:12:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 2337 transitions. [2021-11-12 23:12:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:12:18,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:18,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:18,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-12 23:12:18,782 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:18,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:18,783 INFO L85 PathProgramCache]: Analyzing trace with hash -437948402, now seen corresponding path program 2 times [2021-11-12 23:12:18,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:18,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434102568] [2021-11-12 23:12:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:18,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:18,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:18,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434102568] [2021-11-12 23:12:18,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434102568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:18,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:18,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-12 23:12:18,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206904028] [2021-11-12 23:12:18,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:18,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:12:18,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:18,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:12:18,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:18,967 INFO L87 Difference]: Start difference. First operand 897 states and 2337 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-11-12 23:12:19,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:19,273 INFO L93 Difference]: Finished difference Result 985 states and 2564 transitions. [2021-11-12 23:12:19,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:12:19,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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 [2021-11-12 23:12:19,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:19,283 INFO L225 Difference]: With dead ends: 985 [2021-11-12 23:12:19,284 INFO L226 Difference]: Without dead ends: 985 [2021-11-12 23:12:19,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:12:19,285 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 29 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 216.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.09ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 263.09ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:19,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 26 Invalid, 294 Unknown, 0 Unchecked, 2.09ms Time], IncrementalHoareTripleChecker [7 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 263.09ms Time] [2021-11-12 23:12:19,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2021-11-12 23:12:19,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 875. [2021-11-12 23:12:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 872 states have (on average 2.618119266055046) internal successors, (2283), 874 states have internal predecessors, (2283), 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) [2021-11-12 23:12:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 2283 transitions. [2021-11-12 23:12:19,324 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 2283 transitions. Word has length 14 [2021-11-12 23:12:19,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:19,324 INFO L470 AbstractCegarLoop]: Abstraction has 875 states and 2283 transitions. [2021-11-12 23:12:19,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-11-12 23:12:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 2283 transitions. [2021-11-12 23:12:19,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:12:19,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:19,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:19,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-12 23:12:19,326 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:19,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:19,327 INFO L85 PathProgramCache]: Analyzing trace with hash -788945072, now seen corresponding path program 3 times [2021-11-12 23:12:19,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:19,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984390539] [2021-11-12 23:12:19,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:19,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:19,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:19,588 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:19,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984390539] [2021-11-12 23:12:19,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984390539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:19,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:19,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-12 23:12:19,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846581358] [2021-11-12 23:12:19,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:19,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:12:19,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:19,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:12:19,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:19,592 INFO L87 Difference]: Start difference. First operand 875 states and 2283 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-11-12 23:12:19,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:19,859 INFO L93 Difference]: Finished difference Result 864 states and 2245 transitions. [2021-11-12 23:12:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:12:19,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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 [2021-11-12 23:12:19,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:19,867 INFO L225 Difference]: With dead ends: 864 [2021-11-12 23:12:19,868 INFO L226 Difference]: Without dead ends: 864 [2021-11-12 23:12:19,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:12:19,869 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 26 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 191.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.60ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 225.75ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:19,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 26 Invalid, 257 Unknown, 0 Unchecked, 1.60ms Time], IncrementalHoareTripleChecker [10 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 225.75ms Time] [2021-11-12 23:12:19,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2021-11-12 23:12:19,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 842. [2021-11-12 23:12:19,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 839 states have (on average 2.6114421930870084) internal successors, (2191), 841 states have internal predecessors, (2191), 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) [2021-11-12 23:12:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 2191 transitions. [2021-11-12 23:12:19,920 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 2191 transitions. Word has length 14 [2021-11-12 23:12:19,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:19,920 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 2191 transitions. [2021-11-12 23:12:19,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-11-12 23:12:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2191 transitions. [2021-11-12 23:12:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-12 23:12:19,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:19,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:19,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-12 23:12:19,923 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:19,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:19,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1315574975, now seen corresponding path program 1 times [2021-11-12 23:12:19,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:19,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790374952] [2021-11-12 23:12:19,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:19,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:20,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:20,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790374952] [2021-11-12 23:12:20,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790374952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:20,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:20,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-12 23:12:20,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979811060] [2021-11-12 23:12:20,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:20,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:12:20,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:20,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:12:20,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:12:20,504 INFO L87 Difference]: Start difference. First operand 842 states and 2191 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:21,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:21,207 INFO L93 Difference]: Finished difference Result 840 states and 2187 transitions. [2021-11-12 23:12:21,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:12:21,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-12 23:12:21,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:21,215 INFO L225 Difference]: With dead ends: 840 [2021-11-12 23:12:21,216 INFO L226 Difference]: Without dead ends: 840 [2021-11-12 23:12:21,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:12:21,218 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 440.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.41ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 513.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:21,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 35 Invalid, 400 Unknown, 0 Unchecked, 2.41ms Time], IncrementalHoareTripleChecker [6 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 513.38ms Time] [2021-11-12 23:12:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2021-11-12 23:12:21,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2021-11-12 23:12:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 837 states have (on average 2.6129032258064515) internal successors, (2187), 839 states have internal predecessors, (2187), 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) [2021-11-12 23:12:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 2187 transitions. [2021-11-12 23:12:21,251 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 2187 transitions. Word has length 14 [2021-11-12 23:12:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:21,251 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 2187 transitions. [2021-11-12 23:12:21,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2187 transitions. [2021-11-12 23:12:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 23:12:21,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:21,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:21,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-12 23:12:21,253 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1306185366, now seen corresponding path program 1 times [2021-11-12 23:12:21,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:21,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263895445] [2021-11-12 23:12:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:21,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:21,659 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:21,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263895445] [2021-11-12 23:12:21,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263895445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:21,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:21,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-12 23:12:21,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049961227] [2021-11-12 23:12:21,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:21,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:12:21,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:21,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:12:21,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:12:21,661 INFO L87 Difference]: Start difference. First operand 840 states and 2187 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:22,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:22,318 INFO L93 Difference]: Finished difference Result 927 states and 2407 transitions. [2021-11-12 23:12:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:12:22,319 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-12 23:12:22,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:22,327 INFO L225 Difference]: With dead ends: 927 [2021-11-12 23:12:22,327 INFO L226 Difference]: Without dead ends: 905 [2021-11-12 23:12:22,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:12:22,328 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 80 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 398.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.48ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 489.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:22,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 40 Invalid, 629 Unknown, 0 Unchecked, 5.48ms Time], IncrementalHoareTripleChecker [15 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 489.65ms Time] [2021-11-12 23:12:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2021-11-12 23:12:22,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 851. [2021-11-12 23:12:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 848 states have (on average 2.609669811320755) internal successors, (2213), 850 states have internal predecessors, (2213), 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) [2021-11-12 23:12:22,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 2213 transitions. [2021-11-12 23:12:22,362 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 2213 transitions. Word has length 15 [2021-11-12 23:12:22,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:22,363 INFO L470 AbstractCegarLoop]: Abstraction has 851 states and 2213 transitions. [2021-11-12 23:12:22,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 2213 transitions. [2021-11-12 23:12:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 23:12:22,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:22,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:22,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-12 23:12:22,365 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:22,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:22,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2138687480, now seen corresponding path program 2 times [2021-11-12 23:12:22,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:22,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874288968] [2021-11-12 23:12:22,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:22,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:22,692 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:22,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874288968] [2021-11-12 23:12:22,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874288968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:22,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:22,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-12 23:12:22,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195418845] [2021-11-12 23:12:22,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:22,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:12:22,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:22,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:12:22,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:12:22,696 INFO L87 Difference]: Start difference. First operand 851 states and 2213 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:23,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:23,176 INFO L93 Difference]: Finished difference Result 957 states and 2487 transitions. [2021-11-12 23:12:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:12:23,177 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-12 23:12:23,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:23,189 INFO L225 Difference]: With dead ends: 957 [2021-11-12 23:12:23,190 INFO L226 Difference]: Without dead ends: 951 [2021-11-12 23:12:23,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:12:23,191 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 73 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 346.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.00ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 415.11ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:23,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 38 Invalid, 605 Unknown, 0 Unchecked, 3.00ms Time], IncrementalHoareTripleChecker [13 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 415.11ms Time] [2021-11-12 23:12:23,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2021-11-12 23:12:23,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 840. [2021-11-12 23:12:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 837 states have (on average 2.6117084826762245) internal successors, (2186), 839 states have internal predecessors, (2186), 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) [2021-11-12 23:12:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 2186 transitions. [2021-11-12 23:12:23,243 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 2186 transitions. Word has length 15 [2021-11-12 23:12:23,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:23,244 INFO L470 AbstractCegarLoop]: Abstraction has 840 states and 2186 transitions. [2021-11-12 23:12:23,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:23,244 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2186 transitions. [2021-11-12 23:12:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 23:12:23,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:23,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:23,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-12 23:12:23,246 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:23,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:23,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2130643910, now seen corresponding path program 3 times [2021-11-12 23:12:23,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:23,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655495935] [2021-11-12 23:12:23,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:23,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:23,570 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:23,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655495935] [2021-11-12 23:12:23,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655495935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:23,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:23,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-12 23:12:23,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710221563] [2021-11-12 23:12:23,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:23,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:12:23,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:23,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:12:23,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:12:23,572 INFO L87 Difference]: Start difference. First operand 840 states and 2186 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:24,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:24,178 INFO L93 Difference]: Finished difference Result 881 states and 2292 transitions. [2021-11-12 23:12:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:12:24,179 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-12 23:12:24,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:24,186 INFO L225 Difference]: With dead ends: 881 [2021-11-12 23:12:24,186 INFO L226 Difference]: Without dead ends: 877 [2021-11-12 23:12:24,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:12:24,187 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 77 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 452.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.68ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 529.44ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:24,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 37 Invalid, 602 Unknown, 0 Unchecked, 3.68ms Time], IncrementalHoareTripleChecker [18 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 529.44ms Time] [2021-11-12 23:12:24,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2021-11-12 23:12:24,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 829. [2021-11-12 23:12:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 826 states have (on average 2.6138014527845037) internal successors, (2159), 828 states have internal predecessors, (2159), 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) [2021-11-12 23:12:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 2159 transitions. [2021-11-12 23:12:24,219 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 2159 transitions. Word has length 15 [2021-11-12 23:12:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:24,220 INFO L470 AbstractCegarLoop]: Abstraction has 829 states and 2159 transitions. [2021-11-12 23:12:24,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2159 transitions. [2021-11-12 23:12:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 23:12:24,221 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:24,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:24,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-12 23:12:24,221 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:12:24,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:24,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2128106870, now seen corresponding path program 4 times [2021-11-12 23:12:24,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:24,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499190433] [2021-11-12 23:12:24,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:24,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:34,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:34,179 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:34,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499190433] [2021-11-12 23:12:34,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499190433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:34,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:34,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-12 23:12:34,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549984577] [2021-11-12 23:12:34,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:34,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:12:34,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:34,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:12:34,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:12:34,181 INFO L87 Difference]: Start difference. First operand 829 states and 2159 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 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) [2021-11-12 23:12:49,745 WARN L227 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:13:06,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:13:16,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:13:17,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:13:29,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:13:35,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:13:41,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:41,293 INFO L93 Difference]: Finished difference Result 837 states and 2186 transitions. [2021-11-12 23:13:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:13:41,293 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 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 [2021-11-12 23:13:41,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:41,300 INFO L225 Difference]: With dead ends: 837 [2021-11-12 23:13:41,301 INFO L226 Difference]: Without dead ends: 835 [2021-11-12 23:13:41,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:13:41,302 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 85 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48028.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.79ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49571.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:41,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 32 Invalid, 616 Unknown, 0 Unchecked, 4.79ms Time], IncrementalHoareTripleChecker [17 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 49571.13ms Time] [2021-11-12 23:13:41,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2021-11-12 23:13:41,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 796. [2021-11-12 23:13:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 795 states have (on average 2.6163522012578615) internal successors, (2080), 795 states have internal predecessors, (2080), 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) [2021-11-12 23:13:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 2080 transitions. [2021-11-12 23:13:41,329 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 2080 transitions. Word has length 15 [2021-11-12 23:13:41,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:41,330 INFO L470 AbstractCegarLoop]: Abstraction has 796 states and 2080 transitions. [2021-11-12 23:13:41,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 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) [2021-11-12 23:13:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2080 transitions. [2021-11-12 23:13:41,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-12 23:13:41,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:41,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:41,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-12 23:13:41,333 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:41,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:41,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1799262680, now seen corresponding path program 1 times [2021-11-12 23:13:41,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:41,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103340011] [2021-11-12 23:13:41,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:41,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:41,363 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:41,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103340011] [2021-11-12 23:13:41,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103340011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:41,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:41,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:13:41,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365244416] [2021-11-12 23:13:41,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:41,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:13:41,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:41,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:13:41,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:13:41,366 INFO L87 Difference]: Start difference. First operand 796 states and 2080 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-12 23:13:41,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:41,454 INFO L93 Difference]: Finished difference Result 360 states and 775 transitions. [2021-11-12 23:13:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:13:41,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2021-11-12 23:13:41,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:41,457 INFO L225 Difference]: With dead ends: 360 [2021-11-12 23:13:41,457 INFO L226 Difference]: Without dead ends: 354 [2021-11-12 23:13:41,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:13:41,458 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 43 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.36ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:41,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 5 Invalid, 77 Unknown, 0 Unchecked, 0.36ms Time], IncrementalHoareTripleChecker [8 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 83.83ms Time] [2021-11-12 23:13:41,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-11-12 23:13:41,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 288. [2021-11-12 23:13:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 2.181184668989547) internal successors, (626), 287 states have internal predecessors, (626), 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) [2021-11-12 23:13:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 626 transitions. [2021-11-12 23:13:41,468 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 626 transitions. Word has length 35 [2021-11-12 23:13:41,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:41,469 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 626 transitions. [2021-11-12 23:13:41,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-12 23:13:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 626 transitions. [2021-11-12 23:13:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-12 23:13:41,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:41,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:41,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-12 23:13:41,471 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:41,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:41,472 INFO L85 PathProgramCache]: Analyzing trace with hash -204471270, now seen corresponding path program 1 times [2021-11-12 23:13:41,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:41,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195388820] [2021-11-12 23:13:41,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:41,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:41,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:41,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195388820] [2021-11-12 23:13:41,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195388820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:41,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:41,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-12 23:13:41,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510629612] [2021-11-12 23:13:41,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:41,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:13:41,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:41,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:13:41,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:13:41,816 INFO L87 Difference]: Start difference. First operand 288 states and 626 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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) [2021-11-12 23:13:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:42,439 INFO L93 Difference]: Finished difference Result 373 states and 805 transitions. [2021-11-12 23:13:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 23:13:42,440 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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 36 [2021-11-12 23:13:42,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:42,442 INFO L225 Difference]: With dead ends: 373 [2021-11-12 23:13:42,442 INFO L226 Difference]: Without dead ends: 373 [2021-11-12 23:13:42,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:13:42,444 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 108 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 357.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.30ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 421.54ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:42,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 36 Invalid, 567 Unknown, 0 Unchecked, 2.30ms Time], IncrementalHoareTripleChecker [33 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 421.54ms Time] [2021-11-12 23:13:42,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-11-12 23:13:42,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 357. [2021-11-12 23:13:42,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 2.1713483146067416) internal successors, (773), 356 states have internal predecessors, (773), 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) [2021-11-12 23:13:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 773 transitions. [2021-11-12 23:13:42,455 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 773 transitions. Word has length 36 [2021-11-12 23:13:42,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:42,456 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 773 transitions. [2021-11-12 23:13:42,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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) [2021-11-12 23:13:42,456 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 773 transitions. [2021-11-12 23:13:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-12 23:13:42,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:42,458 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:42,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-12 23:13:42,458 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:42,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:42,459 INFO L85 PathProgramCache]: Analyzing trace with hash 827670712, now seen corresponding path program 2 times [2021-11-12 23:13:42,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:42,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627041371] [2021-11-12 23:13:42,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:42,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:42,823 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:42,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627041371] [2021-11-12 23:13:42,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627041371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:42,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:42,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-12 23:13:42,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349394254] [2021-11-12 23:13:42,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:42,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:13:42,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:42,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:13:42,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:13:42,825 INFO L87 Difference]: Start difference. First operand 357 states and 773 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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) [2021-11-12 23:13:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:43,424 INFO L93 Difference]: Finished difference Result 413 states and 888 transitions. [2021-11-12 23:13:43,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:13:43,425 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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 36 [2021-11-12 23:13:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:43,427 INFO L225 Difference]: With dead ends: 413 [2021-11-12 23:13:43,427 INFO L226 Difference]: Without dead ends: 413 [2021-11-12 23:13:43,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:13:43,436 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 92 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 367.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.77ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 429.98ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:43,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 41 Invalid, 607 Unknown, 0 Unchecked, 1.77ms Time], IncrementalHoareTripleChecker [32 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 429.98ms Time] [2021-11-12 23:13:43,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-11-12 23:13:43,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 328. [2021-11-12 23:13:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 2.168195718654434) internal successors, (709), 327 states have internal predecessors, (709), 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) [2021-11-12 23:13:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 709 transitions. [2021-11-12 23:13:43,447 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 709 transitions. Word has length 36 [2021-11-12 23:13:43,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:43,447 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 709 transitions. [2021-11-12 23:13:43,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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) [2021-11-12 23:13:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 709 transitions. [2021-11-12 23:13:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-12 23:13:43,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:43,449 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:43,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-12 23:13:43,450 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:43,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:43,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1004680786, now seen corresponding path program 3 times [2021-11-12 23:13:43,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:43,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865606015] [2021-11-12 23:13:43,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:43,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:43,851 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:43,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865606015] [2021-11-12 23:13:43,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865606015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:43,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:43,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-12 23:13:43,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16506299] [2021-11-12 23:13:43,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:43,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:13:43,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:43,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:13:43,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:13:43,853 INFO L87 Difference]: Start difference. First operand 328 states and 709 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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) [2021-11-12 23:13:44,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:44,378 INFO L93 Difference]: Finished difference Result 369 states and 791 transitions. [2021-11-12 23:13:44,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:13:44,378 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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 36 [2021-11-12 23:13:44,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:44,382 INFO L225 Difference]: With dead ends: 369 [2021-11-12 23:13:44,382 INFO L226 Difference]: Without dead ends: 369 [2021-11-12 23:13:44,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:13:44,383 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 109 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 289.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.34ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 339.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:44,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 28 Invalid, 473 Unknown, 0 Unchecked, 1.34ms Time], IncrementalHoareTripleChecker [48 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 339.05ms Time] [2021-11-12 23:13:44,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-11-12 23:13:44,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 328. [2021-11-12 23:13:44,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 2.168195718654434) internal successors, (709), 327 states have internal predecessors, (709), 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) [2021-11-12 23:13:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 709 transitions. [2021-11-12 23:13:44,394 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 709 transitions. Word has length 36 [2021-11-12 23:13:44,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:44,394 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 709 transitions. [2021-11-12 23:13:44,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 12 states have internal predecessors, (36), 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) [2021-11-12 23:13:44,394 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 709 transitions. [2021-11-12 23:13:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-12 23:13:44,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:44,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:44,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-12 23:13:44,396 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:44,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1081356956, now seen corresponding path program 4 times [2021-11-12 23:13:44,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:44,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341085133] [2021-11-12 23:13:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:44,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:45,108 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:45,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341085133] [2021-11-12 23:13:45,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341085133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:45,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:45,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-12 23:13:45,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921940436] [2021-11-12 23:13:45,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:45,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-12 23:13:45,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:45,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-12 23:13:45,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:13:45,110 INFO L87 Difference]: Start difference. First operand 328 states and 709 transitions. Second operand has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 16 states have internal predecessors, (36), 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) [2021-11-12 23:13:45,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:45,983 INFO L93 Difference]: Finished difference Result 595 states and 1303 transitions. [2021-11-12 23:13:45,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:13:45,984 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 16 states have internal predecessors, (36), 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 36 [2021-11-12 23:13:45,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:45,989 INFO L225 Difference]: With dead ends: 595 [2021-11-12 23:13:45,989 INFO L226 Difference]: Without dead ends: 595 [2021-11-12 23:13:45,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2021-11-12 23:13:45,990 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 310 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 466.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.90ms SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 576.84ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:45,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 39 Invalid, 708 Unknown, 0 Unchecked, 3.90ms Time], IncrementalHoareTripleChecker [100 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 576.84ms Time] [2021-11-12 23:13:45,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2021-11-12 23:13:46,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 498. [2021-11-12 23:13:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 497 states have (on average 2.2132796780684103) internal successors, (1100), 497 states have internal predecessors, (1100), 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) [2021-11-12 23:13:46,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 1100 transitions. [2021-11-12 23:13:46,007 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 1100 transitions. Word has length 36 [2021-11-12 23:13:46,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:46,007 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 1100 transitions. [2021-11-12 23:13:46,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 16 states have internal predecessors, (36), 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) [2021-11-12 23:13:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 1100 transitions. [2021-11-12 23:13:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-12 23:13:46,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:46,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:46,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-12 23:13:46,009 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:46,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:46,010 INFO L85 PathProgramCache]: Analyzing trace with hash -841039827, now seen corresponding path program 1 times [2021-11-12 23:13:46,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:46,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158513232] [2021-11-12 23:13:46,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:46,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:46,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:46,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158513232] [2021-11-12 23:13:46,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158513232] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:46,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:46,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-12 23:13:46,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63737676] [2021-11-12 23:13:46,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:46,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:13:46,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:46,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:13:46,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:13:46,361 INFO L87 Difference]: Start difference. First operand 498 states and 1100 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 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) [2021-11-12 23:13:46,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:46,892 INFO L93 Difference]: Finished difference Result 460 states and 999 transitions. [2021-11-12 23:13:46,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:13:46,893 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 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 37 [2021-11-12 23:13:46,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:46,896 INFO L225 Difference]: With dead ends: 460 [2021-11-12 23:13:46,896 INFO L226 Difference]: Without dead ends: 460 [2021-11-12 23:13:46,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:13:46,897 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 105 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 336.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.90ms SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 395.37ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:46,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 33 Invalid, 578 Unknown, 0 Unchecked, 1.90ms Time], IncrementalHoareTripleChecker [47 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 395.37ms Time] [2021-11-12 23:13:46,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-11-12 23:13:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 434. [2021-11-12 23:13:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 433 states have (on average 2.187066974595843) internal successors, (947), 433 states have internal predecessors, (947), 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) [2021-11-12 23:13:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 947 transitions. [2021-11-12 23:13:46,909 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 947 transitions. Word has length 37 [2021-11-12 23:13:46,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:46,909 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 947 transitions. [2021-11-12 23:13:46,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 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) [2021-11-12 23:13:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 947 transitions. [2021-11-12 23:13:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:13:46,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:46,911 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:46,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-12 23:13:46,911 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:46,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:46,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1492594638, now seen corresponding path program 1 times [2021-11-12 23:13:46,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:46,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196196790] [2021-11-12 23:13:46,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:46,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:48,455 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:48,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196196790] [2021-11-12 23:13:48,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196196790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:48,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:48,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:13:48,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740057583] [2021-11-12 23:13:48,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:48,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:13:48,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:48,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:13:48,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:13:48,457 INFO L87 Difference]: Start difference. First operand 434 states and 947 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:13:50,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:50,806 INFO L93 Difference]: Finished difference Result 612 states and 1310 transitions. [2021-11-12 23:13:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-12 23:13:50,806 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:13:50,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:50,810 INFO L225 Difference]: With dead ends: 612 [2021-11-12 23:13:50,810 INFO L226 Difference]: Without dead ends: 580 [2021-11-12 23:13:50,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=208, Invalid=1432, Unknown=0, NotChecked=0, Total=1640 [2021-11-12 23:13:50,811 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 137 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1054.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.75ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1224.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:50,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 104 Invalid, 1539 Unknown, 0 Unchecked, 3.75ms Time], IncrementalHoareTripleChecker [43 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 1224.27ms Time] [2021-11-12 23:13:50,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-11-12 23:13:50,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 522. [2021-11-12 23:13:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 2.1381957773512474) internal successors, (1114), 521 states have internal predecessors, (1114), 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) [2021-11-12 23:13:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1114 transitions. [2021-11-12 23:13:50,826 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1114 transitions. Word has length 38 [2021-11-12 23:13:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:50,827 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 1114 transitions. [2021-11-12 23:13:50,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:13:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1114 transitions. [2021-11-12 23:13:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:13:50,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:50,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:50,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-12 23:13:50,829 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:50,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:50,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1648872180, now seen corresponding path program 2 times [2021-11-12 23:13:50,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:50,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250859426] [2021-11-12 23:13:50,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:50,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:52,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:52,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:52,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250859426] [2021-11-12 23:13:52,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250859426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:52,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:52,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:13:52,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662891241] [2021-11-12 23:13:52,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:52,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:13:52,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:13:52,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:13:52,504 INFO L87 Difference]: Start difference. First operand 522 states and 1114 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:13:54,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:54,890 INFO L93 Difference]: Finished difference Result 694 states and 1466 transitions. [2021-11-12 23:13:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-12 23:13:54,890 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:13:54,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:54,894 INFO L225 Difference]: With dead ends: 694 [2021-11-12 23:13:54,894 INFO L226 Difference]: Without dead ends: 662 [2021-11-12 23:13:54,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=203, Invalid=1437, Unknown=0, NotChecked=0, Total=1640 [2021-11-12 23:13:54,896 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 153 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1048.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.76ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1212.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:54,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 104 Invalid, 1593 Unknown, 0 Unchecked, 3.76ms Time], IncrementalHoareTripleChecker [46 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 1212.31ms Time] [2021-11-12 23:13:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-11-12 23:13:54,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 522. [2021-11-12 23:13:54,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 2.1381957773512474) internal successors, (1114), 521 states have internal predecessors, (1114), 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) [2021-11-12 23:13:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1114 transitions. [2021-11-12 23:13:54,912 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1114 transitions. Word has length 38 [2021-11-12 23:13:54,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:54,913 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 1114 transitions. [2021-11-12 23:13:54,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:13:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1114 transitions. [2021-11-12 23:13:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:13:54,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:54,915 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:54,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-12 23:13:54,915 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:54,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:54,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1540952546, now seen corresponding path program 3 times [2021-11-12 23:13:54,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:54,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874735314] [2021-11-12 23:13:54,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:54,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:56,434 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:13:56,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874735314] [2021-11-12 23:13:56,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874735314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:56,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:56,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:13:56,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202888147] [2021-11-12 23:13:56,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:56,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:13:56,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:13:56,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:13:56,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:13:56,436 INFO L87 Difference]: Start difference. First operand 522 states and 1114 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:13:59,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:59,310 INFO L93 Difference]: Finished difference Result 692 states and 1463 transitions. [2021-11-12 23:13:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-12 23:13:59,311 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:13:59,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:59,315 INFO L225 Difference]: With dead ends: 692 [2021-11-12 23:13:59,315 INFO L226 Difference]: Without dead ends: 660 [2021-11-12 23:13:59,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=214, Invalid=1508, Unknown=0, NotChecked=0, Total=1722 [2021-11-12 23:13:59,317 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 137 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 1830 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1335.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.42ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1552.26ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:59,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 119 Invalid, 1871 Unknown, 0 Unchecked, 5.42ms Time], IncrementalHoareTripleChecker [41 Valid, 1830 Invalid, 0 Unknown, 0 Unchecked, 1552.26ms Time] [2021-11-12 23:13:59,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2021-11-12 23:13:59,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 522. [2021-11-12 23:13:59,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 2.1381957773512474) internal successors, (1114), 521 states have internal predecessors, (1114), 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) [2021-11-12 23:13:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1114 transitions. [2021-11-12 23:13:59,334 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1114 transitions. Word has length 38 [2021-11-12 23:13:59,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:59,335 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 1114 transitions. [2021-11-12 23:13:59,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:13:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1114 transitions. [2021-11-12 23:13:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:13:59,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:59,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:59,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-12 23:13:59,337 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:13:59,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:59,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1846127082, now seen corresponding path program 4 times [2021-11-12 23:13:59,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:13:59,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143288851] [2021-11-12 23:13:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:59,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:13:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:00,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:00,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143288851] [2021-11-12 23:14:00,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143288851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:00,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:00,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:00,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304117506] [2021-11-12 23:14:00,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:00,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:00,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:00,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:00,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:00,943 INFO L87 Difference]: Start difference. First operand 522 states and 1114 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:03,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:03,815 INFO L93 Difference]: Finished difference Result 682 states and 1448 transitions. [2021-11-12 23:14:03,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-12 23:14:03,816 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:03,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:03,819 INFO L225 Difference]: With dead ends: 682 [2021-11-12 23:14:03,819 INFO L226 Difference]: Without dead ends: 650 [2021-11-12 23:14:03,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=202, Invalid=1438, Unknown=0, NotChecked=0, Total=1640 [2021-11-12 23:14:03,821 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 148 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 1977 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1403.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 2021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.06ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1622.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:03,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 135 Invalid, 2021 Unknown, 0 Unchecked, 6.06ms Time], IncrementalHoareTripleChecker [44 Valid, 1977 Invalid, 0 Unknown, 0 Unchecked, 1622.27ms Time] [2021-11-12 23:14:03,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-11-12 23:14:03,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 522. [2021-11-12 23:14:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 2.1381957773512474) internal successors, (1114), 521 states have internal predecessors, (1114), 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) [2021-11-12 23:14:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 1114 transitions. [2021-11-12 23:14:03,837 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 1114 transitions. Word has length 38 [2021-11-12 23:14:03,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:03,838 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 1114 transitions. [2021-11-12 23:14:03,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1114 transitions. [2021-11-12 23:14:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:03,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:03,840 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:03,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-12 23:14:03,840 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:03,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:03,840 INFO L85 PathProgramCache]: Analyzing trace with hash 57186064, now seen corresponding path program 5 times [2021-11-12 23:14:03,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:03,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307933249] [2021-11-12 23:14:03,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:03,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:05,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:05,459 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:05,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307933249] [2021-11-12 23:14:05,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307933249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:05,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:05,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:05,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642270795] [2021-11-12 23:14:05,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:05,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:05,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:05,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:05,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:05,461 INFO L87 Difference]: Start difference. First operand 522 states and 1114 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:08,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:08,068 INFO L93 Difference]: Finished difference Result 742 states and 1577 transitions. [2021-11-12 23:14:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-12 23:14:08,069 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:08,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:08,073 INFO L225 Difference]: With dead ends: 742 [2021-11-12 23:14:08,073 INFO L226 Difference]: Without dead ends: 710 [2021-11-12 23:14:08,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=196, Invalid=1364, Unknown=0, NotChecked=0, Total=1560 [2021-11-12 23:14:08,074 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 171 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1218.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.23ms SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1407.90ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:08,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 112 Invalid, 1707 Unknown, 0 Unchecked, 5.23ms Time], IncrementalHoareTripleChecker [50 Valid, 1657 Invalid, 0 Unknown, 0 Unchecked, 1407.90ms Time] [2021-11-12 23:14:08,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2021-11-12 23:14:08,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 525. [2021-11-12 23:14:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 2.1393129770992365) internal successors, (1121), 524 states have internal predecessors, (1121), 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) [2021-11-12 23:14:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 1121 transitions. [2021-11-12 23:14:08,092 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 1121 transitions. Word has length 38 [2021-11-12 23:14:08,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:08,092 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 1121 transitions. [2021-11-12 23:14:08,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1121 transitions. [2021-11-12 23:14:08,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:08,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:08,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:08,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-12 23:14:08,095 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:08,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:08,095 INFO L85 PathProgramCache]: Analyzing trace with hash -806412892, now seen corresponding path program 6 times [2021-11-12 23:14:08,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:08,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366940330] [2021-11-12 23:14:08,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:08,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:09,629 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:09,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366940330] [2021-11-12 23:14:09,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366940330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:09,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:09,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:09,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951393666] [2021-11-12 23:14:09,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:09,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:09,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:09,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:09,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:09,632 INFO L87 Difference]: Start difference. First operand 525 states and 1121 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:12,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:12,919 INFO L93 Difference]: Finished difference Result 759 states and 1613 transitions. [2021-11-12 23:14:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-12 23:14:12,920 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:12,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:12,924 INFO L225 Difference]: With dead ends: 759 [2021-11-12 23:14:12,925 INFO L226 Difference]: Without dead ends: 727 [2021-11-12 23:14:12,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=229, Invalid=1577, Unknown=0, NotChecked=0, Total=1806 [2021-11-12 23:14:12,926 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 171 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1579.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 2253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.72ms SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1826.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:12,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 144 Invalid, 2253 Unknown, 0 Unchecked, 6.72ms Time], IncrementalHoareTripleChecker [50 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 1826.13ms Time] [2021-11-12 23:14:12,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2021-11-12 23:14:12,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 534. [2021-11-12 23:14:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 533 states have (on average 2.1425891181988743) internal successors, (1142), 533 states have internal predecessors, (1142), 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) [2021-11-12 23:14:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 1142 transitions. [2021-11-12 23:14:12,945 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 1142 transitions. Word has length 38 [2021-11-12 23:14:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:12,946 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 1142 transitions. [2021-11-12 23:14:12,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1142 transitions. [2021-11-12 23:14:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:12,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:12,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:12,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-12 23:14:12,949 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:12,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:12,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1055205184, now seen corresponding path program 7 times [2021-11-12 23:14:12,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:12,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857302219] [2021-11-12 23:14:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:12,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:14,573 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:14,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857302219] [2021-11-12 23:14:14,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857302219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:14,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:14,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-12 23:14:14,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302330979] [2021-11-12 23:14:14,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:14,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 23:14:14,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:14,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 23:14:14,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:14:14,575 INFO L87 Difference]: Start difference. First operand 534 states and 1142 transitions. Second operand has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2021-11-12 23:14:17,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:17,259 INFO L93 Difference]: Finished difference Result 857 states and 1828 transitions. [2021-11-12 23:14:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-12 23:14:17,259 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:17,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:17,264 INFO L225 Difference]: With dead ends: 857 [2021-11-12 23:14:17,265 INFO L226 Difference]: Without dead ends: 825 [2021-11-12 23:14:17,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=230, Invalid=1576, Unknown=0, NotChecked=0, Total=1806 [2021-11-12 23:14:17,267 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 217 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1208.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.98ms SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1390.18ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:17,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 110 Invalid, 1631 Unknown, 0 Unchecked, 4.98ms Time], IncrementalHoareTripleChecker [59 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 1390.18ms Time] [2021-11-12 23:14:17,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2021-11-12 23:14:17,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 540. [2021-11-12 23:14:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 2.150278293135436) internal successors, (1159), 539 states have internal predecessors, (1159), 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) [2021-11-12 23:14:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1159 transitions. [2021-11-12 23:14:17,287 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1159 transitions. Word has length 38 [2021-11-12 23:14:17,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:17,288 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 1159 transitions. [2021-11-12 23:14:17,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2021-11-12 23:14:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1159 transitions. [2021-11-12 23:14:17,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:17,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:17,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:17,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-12 23:14:17,291 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:17,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash -34010682, now seen corresponding path program 8 times [2021-11-12 23:14:17,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:17,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942654918] [2021-11-12 23:14:17,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:17,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:18,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:18,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942654918] [2021-11-12 23:14:18,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942654918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:18,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:18,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-12 23:14:18,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264195575] [2021-11-12 23:14:18,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:18,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 23:14:18,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:18,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 23:14:18,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:14:18,899 INFO L87 Difference]: Start difference. First operand 540 states and 1159 transitions. Second operand has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2021-11-12 23:14:21,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:21,867 INFO L93 Difference]: Finished difference Result 859 states and 1830 transitions. [2021-11-12 23:14:21,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-12 23:14:21,867 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:21,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:21,871 INFO L225 Difference]: With dead ends: 859 [2021-11-12 23:14:21,871 INFO L226 Difference]: Without dead ends: 827 [2021-11-12 23:14:21,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=212, Invalid=1510, Unknown=0, NotChecked=0, Total=1722 [2021-11-12 23:14:21,873 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 183 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1442.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.03ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1663.06ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:21,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 122 Invalid, 1931 Unknown, 0 Unchecked, 6.03ms Time], IncrementalHoareTripleChecker [52 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1663.06ms Time] [2021-11-12 23:14:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2021-11-12 23:14:21,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 543. [2021-11-12 23:14:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 542 states have (on average 2.151291512915129) internal successors, (1166), 542 states have internal predecessors, (1166), 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) [2021-11-12 23:14:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 1166 transitions. [2021-11-12 23:14:21,891 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 1166 transitions. Word has length 38 [2021-11-12 23:14:21,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:21,892 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 1166 transitions. [2021-11-12 23:14:21,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2021-11-12 23:14:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1166 transitions. [2021-11-12 23:14:21,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:21,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:21,894 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:21,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-12 23:14:21,894 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:21,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:21,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1523417272, now seen corresponding path program 9 times [2021-11-12 23:14:21,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:21,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241191533] [2021-11-12 23:14:21,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:21,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:23,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:23,243 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:23,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241191533] [2021-11-12 23:14:23,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241191533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:23,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:23,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-12 23:14:23,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350497098] [2021-11-12 23:14:23,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:23,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 23:14:23,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:23,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 23:14:23,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:14:23,244 INFO L87 Difference]: Start difference. First operand 543 states and 1166 transitions. Second operand has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2021-11-12 23:14:27,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:27,026 INFO L93 Difference]: Finished difference Result 931 states and 1991 transitions. [2021-11-12 23:14:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-12 23:14:27,027 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:27,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:27,031 INFO L225 Difference]: With dead ends: 931 [2021-11-12 23:14:27,032 INFO L226 Difference]: Without dead ends: 899 [2021-11-12 23:14:27,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=222, Invalid=1584, Unknown=0, NotChecked=0, Total=1806 [2021-11-12 23:14:27,045 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 193 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1918.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.52ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2211.15ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:27,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 162 Invalid, 2307 Unknown, 0 Unchecked, 8.52ms Time], IncrementalHoareTripleChecker [52 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 2211.15ms Time] [2021-11-12 23:14:27,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2021-11-12 23:14:27,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 573. [2021-11-12 23:14:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 572 states have (on average 2.160839160839161) internal successors, (1236), 572 states have internal predecessors, (1236), 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) [2021-11-12 23:14:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1236 transitions. [2021-11-12 23:14:27,069 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1236 transitions. Word has length 38 [2021-11-12 23:14:27,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:27,069 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 1236 transitions. [2021-11-12 23:14:27,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.0) internal successors, (38), 19 states have internal predecessors, (38), 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) [2021-11-12 23:14:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1236 transitions. [2021-11-12 23:14:27,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:27,072 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:27,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:27,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-12 23:14:27,073 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:27,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:27,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1741595312, now seen corresponding path program 10 times [2021-11-12 23:14:27,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:27,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286322989] [2021-11-12 23:14:27,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:27,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:28,881 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:28,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286322989] [2021-11-12 23:14:28,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286322989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:28,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:28,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:28,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505054936] [2021-11-12 23:14:28,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:28,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:28,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:28,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:28,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:28,883 INFO L87 Difference]: Start difference. First operand 573 states and 1236 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:31,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:31,912 INFO L93 Difference]: Finished difference Result 849 states and 1807 transitions. [2021-11-12 23:14:31,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-12 23:14:31,913 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:31,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:31,915 INFO L225 Difference]: With dead ends: 849 [2021-11-12 23:14:31,916 INFO L226 Difference]: Without dead ends: 817 [2021-11-12 23:14:31,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=192, Invalid=1290, Unknown=0, NotChecked=0, Total=1482 [2021-11-12 23:14:31,917 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 174 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1467.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.59ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1696.78ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:31,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 114 Invalid, 1769 Unknown, 0 Unchecked, 6.59ms Time], IncrementalHoareTripleChecker [48 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1696.78ms Time] [2021-11-12 23:14:31,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2021-11-12 23:14:31,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 573. [2021-11-12 23:14:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 572 states have (on average 2.160839160839161) internal successors, (1236), 572 states have internal predecessors, (1236), 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) [2021-11-12 23:14:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 1236 transitions. [2021-11-12 23:14:31,937 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 1236 transitions. Word has length 38 [2021-11-12 23:14:31,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:31,938 INFO L470 AbstractCegarLoop]: Abstraction has 573 states and 1236 transitions. [2021-11-12 23:14:31,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1236 transitions. [2021-11-12 23:14:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:31,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:31,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:31,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-12 23:14:31,941 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:31,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:31,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1689773028, now seen corresponding path program 11 times [2021-11-12 23:14:31,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:31,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52991780] [2021-11-12 23:14:31,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:31,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:33,705 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:33,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52991780] [2021-11-12 23:14:33,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52991780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:33,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:33,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:33,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51384917] [2021-11-12 23:14:33,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:33,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:33,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:33,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:33,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:33,708 INFO L87 Difference]: Start difference. First operand 573 states and 1236 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:36,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:36,982 INFO L93 Difference]: Finished difference Result 909 states and 1940 transitions. [2021-11-12 23:14:36,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-12 23:14:36,982 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:36,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:36,985 INFO L225 Difference]: With dead ends: 909 [2021-11-12 23:14:36,985 INFO L226 Difference]: Without dead ends: 877 [2021-11-12 23:14:36,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=219, Invalid=1421, Unknown=0, NotChecked=0, Total=1640 [2021-11-12 23:14:36,987 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 204 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1504.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.34ms SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1737.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:36,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 117 Invalid, 1856 Unknown, 0 Unchecked, 6.34ms Time], IncrementalHoareTripleChecker [60 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 1737.52ms Time] [2021-11-12 23:14:36,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2021-11-12 23:14:37,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 582. [2021-11-12 23:14:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 581 states have (on average 2.163511187607573) internal successors, (1257), 581 states have internal predecessors, (1257), 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) [2021-11-12 23:14:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 1257 transitions. [2021-11-12 23:14:37,009 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 1257 transitions. Word has length 38 [2021-11-12 23:14:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:37,010 INFO L470 AbstractCegarLoop]: Abstraction has 582 states and 1257 transitions. [2021-11-12 23:14:37,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1257 transitions. [2021-11-12 23:14:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:37,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:37,012 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:37,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-12 23:14:37,013 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:37,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:37,014 INFO L85 PathProgramCache]: Analyzing trace with hash -743576192, now seen corresponding path program 12 times [2021-11-12 23:14:37,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:37,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171027639] [2021-11-12 23:14:37,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:37,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:38,821 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:38,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171027639] [2021-11-12 23:14:38,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171027639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:38,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:38,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:38,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346577918] [2021-11-12 23:14:38,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:38,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:38,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:38,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:38,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:38,822 INFO L87 Difference]: Start difference. First operand 582 states and 1257 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:42,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:42,594 INFO L93 Difference]: Finished difference Result 917 states and 1963 transitions. [2021-11-12 23:14:42,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-12 23:14:42,595 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:42,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:42,602 INFO L225 Difference]: With dead ends: 917 [2021-11-12 23:14:42,602 INFO L226 Difference]: Without dead ends: 885 [2021-11-12 23:14:42,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=300, Invalid=1862, Unknown=0, NotChecked=0, Total=2162 [2021-11-12 23:14:42,604 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 225 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1896 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1499.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.61ms SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1733.28ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:42,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 122 Invalid, 1982 Unknown, 0 Unchecked, 6.61ms Time], IncrementalHoareTripleChecker [86 Valid, 1896 Invalid, 0 Unknown, 0 Unchecked, 1733.28ms Time] [2021-11-12 23:14:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2021-11-12 23:14:42,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 606. [2021-11-12 23:14:42,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 605 states have (on average 2.168595041322314) internal successors, (1312), 605 states have internal predecessors, (1312), 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) [2021-11-12 23:14:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 1312 transitions. [2021-11-12 23:14:42,628 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 1312 transitions. Word has length 38 [2021-11-12 23:14:42,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:42,628 INFO L470 AbstractCegarLoop]: Abstraction has 606 states and 1312 transitions. [2021-11-12 23:14:42,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1312 transitions. [2021-11-12 23:14:42,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:42,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:42,631 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:42,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-12 23:14:42,631 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:42,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1832792058, now seen corresponding path program 13 times [2021-11-12 23:14:42,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:42,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326883949] [2021-11-12 23:14:42,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:42,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:44,482 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:44,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326883949] [2021-11-12 23:14:44,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326883949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:44,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:44,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:44,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309227988] [2021-11-12 23:14:44,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:44,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:44,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:44,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:44,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:44,484 INFO L87 Difference]: Start difference. First operand 606 states and 1312 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:48,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:48,492 INFO L93 Difference]: Finished difference Result 925 states and 1977 transitions. [2021-11-12 23:14:48,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-12 23:14:48,493 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:48,495 INFO L225 Difference]: With dead ends: 925 [2021-11-12 23:14:48,496 INFO L226 Difference]: Without dead ends: 893 [2021-11-12 23:14:48,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=301, Invalid=1955, Unknown=0, NotChecked=0, Total=2256 [2021-11-12 23:14:48,498 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 244 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1598.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.78ms SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1855.75ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:48,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 116 Invalid, 2016 Unknown, 0 Unchecked, 6.78ms Time], IncrementalHoareTripleChecker [84 Valid, 1932 Invalid, 0 Unknown, 0 Unchecked, 1855.75ms Time] [2021-11-12 23:14:48,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2021-11-12 23:14:48,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 612. [2021-11-12 23:14:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 611 states have (on average 2.1702127659574466) internal successors, (1326), 611 states have internal predecessors, (1326), 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) [2021-11-12 23:14:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1326 transitions. [2021-11-12 23:14:48,521 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1326 transitions. Word has length 38 [2021-11-12 23:14:48,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:48,522 INFO L470 AbstractCegarLoop]: Abstraction has 612 states and 1326 transitions. [2021-11-12 23:14:48,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1326 transitions. [2021-11-12 23:14:48,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:48,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:48,525 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:48,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-12 23:14:48,525 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:48,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:48,526 INFO L85 PathProgramCache]: Analyzing trace with hash 972768648, now seen corresponding path program 14 times [2021-11-12 23:14:48,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:48,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3116698] [2021-11-12 23:14:48,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:48,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:50,139 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:50,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3116698] [2021-11-12 23:14:50,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3116698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:50,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:50,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:50,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517509463] [2021-11-12 23:14:50,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:50,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:50,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:50,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:50,142 INFO L87 Difference]: Start difference. First operand 612 states and 1326 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:54,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:54,625 INFO L93 Difference]: Finished difference Result 1109 states and 2387 transitions. [2021-11-12 23:14:54,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-12 23:14:54,626 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:14:54,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:54,629 INFO L225 Difference]: With dead ends: 1109 [2021-11-12 23:14:54,629 INFO L226 Difference]: Without dead ends: 1049 [2021-11-12 23:14:54,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=319, Invalid=2131, Unknown=0, NotChecked=0, Total=2450 [2021-11-12 23:14:54,632 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 286 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1850.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.79ms SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2136.41ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:54,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 144 Invalid, 2361 Unknown, 0 Unchecked, 7.79ms Time], IncrementalHoareTripleChecker [87 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 2136.41ms Time] [2021-11-12 23:14:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2021-11-12 23:14:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 588. [2021-11-12 23:14:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 587 states have (on average 2.1584327086882453) internal successors, (1267), 587 states have internal predecessors, (1267), 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) [2021-11-12 23:14:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 1267 transitions. [2021-11-12 23:14:54,656 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 1267 transitions. Word has length 38 [2021-11-12 23:14:54,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:54,657 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 1267 transitions. [2021-11-12 23:14:54,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:14:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1267 transitions. [2021-11-12 23:14:54,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:14:54,660 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:54,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:54,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-12 23:14:54,661 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:14:54,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:54,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1545278224, now seen corresponding path program 15 times [2021-11-12 23:14:54,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:14:54,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180748068] [2021-11-12 23:14:54,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:54,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:14:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:14:57,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:14:57,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180748068] [2021-11-12 23:14:57,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180748068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:57,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:57,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-12 23:14:57,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157358218] [2021-11-12 23:14:57,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:57,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:14:57,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:14:57,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:14:57,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:14:57,101 INFO L87 Difference]: Start difference. First operand 588 states and 1267 transitions. Second operand has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:15:01,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:15:01,648 INFO L93 Difference]: Finished difference Result 864 states and 1844 transitions. [2021-11-12 23:15:01,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-12 23:15:01,663 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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 38 [2021-11-12 23:15:01,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:15:01,666 INFO L225 Difference]: With dead ends: 864 [2021-11-12 23:15:01,666 INFO L226 Difference]: Without dead ends: 832 [2021-11-12 23:15:01,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=223, Invalid=1583, Unknown=0, NotChecked=0, Total=1806 [2021-11-12 23:15:01,668 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 168 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2117.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.64ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2442.84ms IncrementalHoareTripleChecker+Time [2021-11-12 23:15:01,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 126 Invalid, 1986 Unknown, 0 Unchecked, 7.64ms Time], IncrementalHoareTripleChecker [53 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 2442.84ms Time] [2021-11-12 23:15:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2021-11-12 23:15:01,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 588. [2021-11-12 23:15:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 587 states have (on average 2.1584327086882453) internal successors, (1267), 587 states have internal predecessors, (1267), 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) [2021-11-12 23:15:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 1267 transitions. [2021-11-12 23:15:01,689 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 1267 transitions. Word has length 38 [2021-11-12 23:15:01,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:15:01,690 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 1267 transitions. [2021-11-12 23:15:01,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 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) [2021-11-12 23:15:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1267 transitions. [2021-11-12 23:15:01,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-12 23:15:01,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:15:01,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:15:01,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-12 23:15:01,693 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-12 23:15:01,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:15:01,694 INFO L85 PathProgramCache]: Analyzing trace with hash 162708862, now seen corresponding path program 16 times [2021-11-12 23:15:01,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:15:01,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240887532] [2021-11-12 23:15:01,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:01,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:15:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat