./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053_power.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan --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 1ebad1de3526ed62c35e47d7888fff0bd9f87fc2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:08:45,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:08:45,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:08:45,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:08:45,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:08:45,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:08:45,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:08:45,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:08:45,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:08:45,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:08:45,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:08:45,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:08:45,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:08:45,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:08:45,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:08:45,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:08:45,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:08:45,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:08:45,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:08:45,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:08:45,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:08:45,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:08:45,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:08:45,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:08:45,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:08:45,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:08:45,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:08:45,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:08:45,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:08:45,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:08:45,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:08:45,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:08:45,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:08:45,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:08:45,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:08:45,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:08:45,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:08:45,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:08:45,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:08:45,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:08:45,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:08:45,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:08:45,268 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:08:45,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:08:45,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:08:45,270 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:08:45,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:08:45,270 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:08:45,271 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:08:45,271 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:08:45,271 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:08:45,271 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:08:45,272 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:08:45,273 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:08:45,273 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:08:45,273 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:08:45,273 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:08:45,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:08:45,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:08:45,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:08:45,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:08:45,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:08:45,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:08:45,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:08:45,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:08:45,276 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:08:45,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:08:45,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:08:45,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:08:45,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:08:45,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:08:45,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:08:45,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:08:45,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:45,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:08:45,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:08:45,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:08:45,281 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:08:45,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:08:45,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:08:45,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:08:45,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:08:45,282 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-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ebad1de3526ed62c35e47d7888fff0bd9f87fc2 [2020-11-22 13:08:45,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:08:45,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:08:45,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:08:45,612 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:08:45,613 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:08:45,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/mix053_power.opt.i [2020-11-22 13:08:45,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/data/7c89241ff/727f6078b52b4ed0bb944a3b91ff3369/FLAGbd376b09b [2020-11-22 13:08:46,312 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:46,313 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/sv-benchmarks/c/pthread-wmm/mix053_power.opt.i [2020-11-22 13:08:46,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/data/7c89241ff/727f6078b52b4ed0bb944a3b91ff3369/FLAGbd376b09b [2020-11-22 13:08:46,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/data/7c89241ff/727f6078b52b4ed0bb944a3b91ff3369 [2020-11-22 13:08:46,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:46,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:46,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:46,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:46,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:46,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:46" (1/1) ... [2020-11-22 13:08:46,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675f9351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:46, skipping insertion in model container [2020-11-22 13:08:46,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:46" (1/1) ... [2020-11-22 13:08:46,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:46,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:47,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:47,031 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:47,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:47,166 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:47,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47 WrapperNode [2020-11-22 13:08:47,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:47,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:47,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:47,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:47,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:47,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:47,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:47,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:47,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... [2020-11-22 13:08:47,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:47,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:47,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:47,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:47,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:08:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 13:08:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-22 13:08:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:08:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-22 13:08:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-22 13:08:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-22 13:08:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-22 13:08:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-22 13:08:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-22 13:08:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-22 13:08:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-22 13:08:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:08:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-22 13:08:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:08:47,378 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-22 13:08:49,450 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:49,450 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-22 13:08:49,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:49 BoogieIcfgContainer [2020-11-22 13:08:49,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:49,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:49,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:49,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:49,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:46" (1/3) ... [2020-11-22 13:08:49,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5440f03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:49, skipping insertion in model container [2020-11-22 13:08:49,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:47" (2/3) ... [2020-11-22 13:08:49,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5440f03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:49, skipping insertion in model container [2020-11-22 13:08:49,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:49" (3/3) ... [2020-11-22 13:08:49,460 INFO L111 eAbstractionObserver]: Analyzing ICFG mix053_power.opt.i [2020-11-22 13:08:49,470 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-22 13:08:49,470 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:49,477 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-22 13:08:49,478 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-22 13:08:49,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,538 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,538 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,550 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,551 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,551 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,554 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,555 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,555 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,556 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,557 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,558 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,561 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,563 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,564 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,564 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,565 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,566 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,566 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,567 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,573 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,581 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,581 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,589 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,589 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,593 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,593 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,594 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,596 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:08:49,599 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-22 13:08:49,610 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-22 13:08:49,642 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:49,642 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:08:49,642 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:49,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:49,642 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:49,642 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:49,643 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:49,643 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:49,660 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-22 13:08:49,663 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 116 transitions, 252 flow [2020-11-22 13:08:49,666 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 116 transitions, 252 flow [2020-11-22 13:08:49,669 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 126 places, 116 transitions, 252 flow [2020-11-22 13:08:49,743 INFO L129 PetriNetUnfolder]: 3/112 cut-off events. [2020-11-22 13:08:49,743 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-22 13:08:49,749 INFO L80 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 3/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2020-11-22 13:08:49,756 INFO L116 LiptonReduction]: Number of co-enabled transitions 2508 [2020-11-22 13:08:50,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:50,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:50,181 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:08:50,182 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:50,187 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:50,188 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:50,194 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:08:50,194 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:50,201 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:08:50,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:50,213 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:50,214 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:50,217 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:50,217 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:50,299 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:50,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 13:08:50,303 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:08:50,303 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:50,468 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 13:08:50,469 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:50,568 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:50,568 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:50,569 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:50,569 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:50,571 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:50,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:50,579 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:50,581 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:50,601 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:50,601 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:50,602 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:50,602 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:50,604 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:50,605 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:50,607 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:50,607 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:50,838 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-11-22 13:08:51,045 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:51,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:51,046 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:51,046 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:51,049 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:51,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:51,051 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:51,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:51,074 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:51,075 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:51,075 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:51,076 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:51,078 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:51,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:51,080 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:51,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:51,720 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 13:08:51,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,090 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-11-22 13:08:52,230 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,230 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 13:08:52,233 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:08:52,233 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,288 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:52,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,290 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,290 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,292 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,292 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,294 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,294 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,296 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:08:52,296 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,298 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,298 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,299 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,743 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:52,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:52,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,746 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:52,747 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,748 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:52,748 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,765 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:52,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,766 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:52,766 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,768 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:52,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:52,770 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:52,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:52,804 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:52,805 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,806 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,807 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,809 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,811 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,811 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,812 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:08:52,813 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,813 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,815 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:52,859 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-22 13:08:52,861 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:08:52,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,956 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-22 13:08:52,958 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:08:52,958 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,993 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:52,993 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:52,995 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,995 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,996 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,997 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:08:52,997 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:08:52,999 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:08:53,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:53,001 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:53,001 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:53,002 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:08:53,002 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:53,162 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:53,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:53,163 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:53,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:53,165 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:53,165 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:53,167 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:53,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:08:53,186 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:53,186 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:53,186 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:53,187 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:53,188 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:08:53,188 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:53,189 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:08:53,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:08:54,030 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-11-22 13:08:54,547 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-11-22 13:08:54,752 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-11-22 13:08:54,913 INFO L131 LiptonReduction]: Checked pairs total: 6807 [2020-11-22 13:08:54,913 INFO L133 LiptonReduction]: Total number of compositions: 106 [2020-11-22 13:08:54,918 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 31 transitions, 82 flow [2020-11-22 13:08:55,095 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2090 states. [2020-11-22 13:08:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states. [2020-11-22 13:08:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 13:08:55,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:55,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:55,106 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:55,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:55,114 INFO L82 PathProgramCache]: Analyzing trace with hash 933139422, now seen corresponding path program 1 times [2020-11-22 13:08:55,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:55,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30788913] [2020-11-22 13:08:55,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:55,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30788913] [2020-11-22 13:08:55,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:55,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-22 13:08:55,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431743951] [2020-11-22 13:08:55,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:08:55,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:55,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:08:55,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:55,463 INFO L87 Difference]: Start difference. First operand 2090 states. Second operand 3 states. [2020-11-22 13:08:55,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:55,597 INFO L93 Difference]: Finished difference Result 1770 states and 6672 transitions. [2020-11-22 13:08:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:55,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-22 13:08:55,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:55,635 INFO L225 Difference]: With dead ends: 1770 [2020-11-22 13:08:55,635 INFO L226 Difference]: Without dead ends: 1450 [2020-11-22 13:08:55,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:55,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2020-11-22 13:08:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1450. [2020-11-22 13:08:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1450 states. [2020-11-22 13:08:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 5376 transitions. [2020-11-22 13:08:55,794 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 5376 transitions. Word has length 9 [2020-11-22 13:08:55,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:55,795 INFO L481 AbstractCegarLoop]: Abstraction has 1450 states and 5376 transitions. [2020-11-22 13:08:55,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:08:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 5376 transitions. [2020-11-22 13:08:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 13:08:55,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:55,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:55,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:08:55,802 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:55,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:55,807 INFO L82 PathProgramCache]: Analyzing trace with hash -901106048, now seen corresponding path program 1 times [2020-11-22 13:08:55,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:55,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303963707] [2020-11-22 13:08:55,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:55,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303963707] [2020-11-22 13:08:55,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:55,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-22 13:08:55,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481229001] [2020-11-22 13:08:55,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:08:55,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:55,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:08:55,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:55,907 INFO L87 Difference]: Start difference. First operand 1450 states and 5376 transitions. Second operand 3 states. [2020-11-22 13:08:55,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:55,936 INFO L93 Difference]: Finished difference Result 1410 states and 5194 transitions. [2020-11-22 13:08:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:55,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-11-22 13:08:55,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:55,951 INFO L225 Difference]: With dead ends: 1410 [2020-11-22 13:08:55,951 INFO L226 Difference]: Without dead ends: 1410 [2020-11-22 13:08:55,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:55,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2020-11-22 13:08:56,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1410. [2020-11-22 13:08:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1410 states. [2020-11-22 13:08:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 5194 transitions. [2020-11-22 13:08:56,015 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 5194 transitions. Word has length 11 [2020-11-22 13:08:56,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:56,016 INFO L481 AbstractCegarLoop]: Abstraction has 1410 states and 5194 transitions. [2020-11-22 13:08:56,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:08:56,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 5194 transitions. [2020-11-22 13:08:56,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 13:08:56,023 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:56,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:56,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:08:56,023 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:56,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:56,024 INFO L82 PathProgramCache]: Analyzing trace with hash 2130482962, now seen corresponding path program 1 times [2020-11-22 13:08:56,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:56,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691385206] [2020-11-22 13:08:56,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:56,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691385206] [2020-11-22 13:08:56,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:56,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-22 13:08:56,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619174025] [2020-11-22 13:08:56,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:08:56,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:56,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:08:56,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:56,130 INFO L87 Difference]: Start difference. First operand 1410 states and 5194 transitions. Second operand 3 states. [2020-11-22 13:08:56,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:56,184 INFO L93 Difference]: Finished difference Result 1380 states and 5060 transitions. [2020-11-22 13:08:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:56,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-11-22 13:08:56,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:56,198 INFO L225 Difference]: With dead ends: 1380 [2020-11-22 13:08:56,199 INFO L226 Difference]: Without dead ends: 1380 [2020-11-22 13:08:56,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:56,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2020-11-22 13:08:56,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1380. [2020-11-22 13:08:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1380 states. [2020-11-22 13:08:56,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 5060 transitions. [2020-11-22 13:08:56,260 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 5060 transitions. Word has length 12 [2020-11-22 13:08:56,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:56,260 INFO L481 AbstractCegarLoop]: Abstraction has 1380 states and 5060 transitions. [2020-11-22 13:08:56,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:08:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 5060 transitions. [2020-11-22 13:08:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 13:08:56,262 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:56,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:56,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-22 13:08:56,263 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:56,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:56,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1620459652, now seen corresponding path program 1 times [2020-11-22 13:08:56,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:56,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539793231] [2020-11-22 13:08:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:56,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539793231] [2020-11-22 13:08:56,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:56,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:08:56,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676255955] [2020-11-22 13:08:56,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:08:56,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:56,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:08:56,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:56,337 INFO L87 Difference]: Start difference. First operand 1380 states and 5060 transitions. Second operand 3 states. [2020-11-22 13:08:56,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:56,377 INFO L93 Difference]: Finished difference Result 1868 states and 6582 transitions. [2020-11-22 13:08:56,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:56,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-22 13:08:56,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:56,393 INFO L225 Difference]: With dead ends: 1868 [2020-11-22 13:08:56,393 INFO L226 Difference]: Without dead ends: 1460 [2020-11-22 13:08:56,394 INFO L677 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 [2020-11-22 13:08:56,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2020-11-22 13:08:56,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1340. [2020-11-22 13:08:56,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-11-22 13:08:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 4694 transitions. [2020-11-22 13:08:56,454 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 4694 transitions. Word has length 13 [2020-11-22 13:08:56,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:56,454 INFO L481 AbstractCegarLoop]: Abstraction has 1340 states and 4694 transitions. [2020-11-22 13:08:56,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:08:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 4694 transitions. [2020-11-22 13:08:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 13:08:56,456 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:56,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:56,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-22 13:08:56,456 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:56,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:56,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1620460799, now seen corresponding path program 1 times [2020-11-22 13:08:56,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:56,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493729596] [2020-11-22 13:08:56,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:56,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493729596] [2020-11-22 13:08:56,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:56,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:08:56,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746833097] [2020-11-22 13:08:56,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:56,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:56,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:56,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:56,596 INFO L87 Difference]: Start difference. First operand 1340 states and 4694 transitions. Second operand 4 states. [2020-11-22 13:08:56,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:56,664 INFO L93 Difference]: Finished difference Result 1388 states and 4406 transitions. [2020-11-22 13:08:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:56,664 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-22 13:08:56,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:56,674 INFO L225 Difference]: With dead ends: 1388 [2020-11-22 13:08:56,674 INFO L226 Difference]: Without dead ends: 1068 [2020-11-22 13:08:56,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:56,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2020-11-22 13:08:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1068. [2020-11-22 13:08:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2020-11-22 13:08:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 3382 transitions. [2020-11-22 13:08:56,716 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 3382 transitions. Word has length 13 [2020-11-22 13:08:56,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:56,717 INFO L481 AbstractCegarLoop]: Abstraction has 1068 states and 3382 transitions. [2020-11-22 13:08:56,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 3382 transitions. [2020-11-22 13:08:56,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-22 13:08:56,719 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:56,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:56,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-22 13:08:56,719 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:56,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:56,720 INFO L82 PathProgramCache]: Analyzing trace with hash 297786177, now seen corresponding path program 1 times [2020-11-22 13:08:56,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:56,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071917170] [2020-11-22 13:08:56,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:56,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071917170] [2020-11-22 13:08:56,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:56,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:08:56,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092527909] [2020-11-22 13:08:56,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:08:56,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:56,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:08:56,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:08:56,777 INFO L87 Difference]: Start difference. First operand 1068 states and 3382 transitions. Second operand 3 states. [2020-11-22 13:08:56,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:56,850 INFO L93 Difference]: Finished difference Result 1476 states and 4486 transitions. [2020-11-22 13:08:56,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:56,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-11-22 13:08:56,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:56,860 INFO L225 Difference]: With dead ends: 1476 [2020-11-22 13:08:56,860 INFO L226 Difference]: Without dead ends: 1104 [2020-11-22 13:08:56,861 INFO L677 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 [2020-11-22 13:08:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2020-11-22 13:08:56,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1046. [2020-11-22 13:08:56,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-11-22 13:08:56,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 3141 transitions. [2020-11-22 13:08:56,901 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 3141 transitions. Word has length 15 [2020-11-22 13:08:56,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:56,901 INFO L481 AbstractCegarLoop]: Abstraction has 1046 states and 3141 transitions. [2020-11-22 13:08:56,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:08:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 3141 transitions. [2020-11-22 13:08:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-22 13:08:56,904 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:56,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:56,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-22 13:08:56,904 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:56,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:56,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1939859786, now seen corresponding path program 1 times [2020-11-22 13:08:56,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:56,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966842584] [2020-11-22 13:08:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:57,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966842584] [2020-11-22 13:08:57,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:57,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-22 13:08:57,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290477941] [2020-11-22 13:08:57,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:57,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:57,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:57,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:57,011 INFO L87 Difference]: Start difference. First operand 1046 states and 3141 transitions. Second operand 5 states. [2020-11-22 13:08:57,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:57,083 INFO L93 Difference]: Finished difference Result 912 states and 2468 transitions. [2020-11-22 13:08:57,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:08:57,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-22 13:08:57,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:57,089 INFO L225 Difference]: With dead ends: 912 [2020-11-22 13:08:57,089 INFO L226 Difference]: Without dead ends: 700 [2020-11-22 13:08:57,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:08:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-11-22 13:08:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2020-11-22 13:08:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-11-22 13:08:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1861 transitions. [2020-11-22 13:08:57,115 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1861 transitions. Word has length 15 [2020-11-22 13:08:57,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:57,116 INFO L481 AbstractCegarLoop]: Abstraction has 700 states and 1861 transitions. [2020-11-22 13:08:57,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1861 transitions. [2020-11-22 13:08:57,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:08:57,118 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:57,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:57,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-22 13:08:57,118 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:57,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:57,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1905403439, now seen corresponding path program 1 times [2020-11-22 13:08:57,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:57,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238112557] [2020-11-22 13:08:57,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:57,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238112557] [2020-11-22 13:08:57,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:57,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-22 13:08:57,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415669864] [2020-11-22 13:08:57,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:08:57,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:57,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:08:57,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:08:57,261 INFO L87 Difference]: Start difference. First operand 700 states and 1861 transitions. Second operand 6 states. [2020-11-22 13:08:57,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:57,340 INFO L93 Difference]: Finished difference Result 607 states and 1569 transitions. [2020-11-22 13:08:57,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:08:57,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-22 13:08:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:57,345 INFO L225 Difference]: With dead ends: 607 [2020-11-22 13:08:57,345 INFO L226 Difference]: Without dead ends: 488 [2020-11-22 13:08:57,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:08:57,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2020-11-22 13:08:57,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2020-11-22 13:08:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-11-22 13:08:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 1246 transitions. [2020-11-22 13:08:57,362 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 1246 transitions. Word has length 17 [2020-11-22 13:08:57,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:57,363 INFO L481 AbstractCegarLoop]: Abstraction has 488 states and 1246 transitions. [2020-11-22 13:08:57,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:08:57,363 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1246 transitions. [2020-11-22 13:08:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-22 13:08:57,364 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:57,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:57,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-22 13:08:57,365 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:57,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:57,366 INFO L82 PathProgramCache]: Analyzing trace with hash -14022687, now seen corresponding path program 1 times [2020-11-22 13:08:57,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:57,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652405378] [2020-11-22 13:08:57,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:57,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652405378] [2020-11-22 13:08:57,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:57,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-22 13:08:57,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503071409] [2020-11-22 13:08:57,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-22 13:08:57,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:57,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-22 13:08:57,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:08:57,515 INFO L87 Difference]: Start difference. First operand 488 states and 1246 transitions. Second operand 7 states. [2020-11-22 13:08:57,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:57,615 INFO L93 Difference]: Finished difference Result 465 states and 1200 transitions. [2020-11-22 13:08:57,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:08:57,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-11-22 13:08:57,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:57,618 INFO L225 Difference]: With dead ends: 465 [2020-11-22 13:08:57,618 INFO L226 Difference]: Without dead ends: 187 [2020-11-22 13:08:57,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:08:57,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-11-22 13:08:57,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-11-22 13:08:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-11-22 13:08:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 447 transitions. [2020-11-22 13:08:57,626 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 447 transitions. Word has length 20 [2020-11-22 13:08:57,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:57,626 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 447 transitions. [2020-11-22 13:08:57,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-22 13:08:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 447 transitions. [2020-11-22 13:08:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:08:57,627 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:57,628 INFO L422 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] [2020-11-22 13:08:57,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-22 13:08:57,628 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:57,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:57,629 INFO L82 PathProgramCache]: Analyzing trace with hash 735320181, now seen corresponding path program 1 times [2020-11-22 13:08:57,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:57,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121436508] [2020-11-22 13:08:57,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:57,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121436508] [2020-11-22 13:08:57,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:57,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:08:57,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807886251] [2020-11-22 13:08:57,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:57,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:57,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:57,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:57,705 INFO L87 Difference]: Start difference. First operand 187 states and 447 transitions. Second operand 4 states. [2020-11-22 13:08:57,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:57,726 INFO L93 Difference]: Finished difference Result 252 states and 596 transitions. [2020-11-22 13:08:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:08:57,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:08:57,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:57,727 INFO L225 Difference]: With dead ends: 252 [2020-11-22 13:08:57,727 INFO L226 Difference]: Without dead ends: 79 [2020-11-22 13:08:57,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:57,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-22 13:08:57,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-11-22 13:08:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-11-22 13:08:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 165 transitions. [2020-11-22 13:08:57,731 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 165 transitions. Word has length 24 [2020-11-22 13:08:57,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:57,732 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 165 transitions. [2020-11-22 13:08:57,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 165 transitions. [2020-11-22 13:08:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:08:57,732 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:57,733 INFO L422 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] [2020-11-22 13:08:57,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-22 13:08:57,733 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:57,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:57,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1951036389, now seen corresponding path program 2 times [2020-11-22 13:08:57,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:57,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010870340] [2020-11-22 13:08:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:57,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010870340] [2020-11-22 13:08:57,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:57,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-22 13:08:57,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882332948] [2020-11-22 13:08:57,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:57,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:08:57,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:57,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:57,871 INFO L87 Difference]: Start difference. First operand 79 states and 165 transitions. Second operand 5 states. [2020-11-22 13:08:57,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:57,928 INFO L93 Difference]: Finished difference Result 97 states and 199 transitions. [2020-11-22 13:08:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:08:57,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 13:08:57,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:57,929 INFO L225 Difference]: With dead ends: 97 [2020-11-22 13:08:57,929 INFO L226 Difference]: Without dead ends: 51 [2020-11-22 13:08:57,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:08:57,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-22 13:08:57,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-22 13:08:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-22 13:08:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 89 transitions. [2020-11-22 13:08:57,932 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 89 transitions. Word has length 24 [2020-11-22 13:08:57,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:57,932 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 89 transitions. [2020-11-22 13:08:57,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2020-11-22 13:08:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:08:57,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:57,933 INFO L422 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] [2020-11-22 13:08:57,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-22 13:08:57,933 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:57,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:57,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1990240619, now seen corresponding path program 3 times [2020-11-22 13:08:57,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:08:57,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090904412] [2020-11-22 13:08:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:08:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:08:57,997 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:08:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:08:58,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:08:58,103 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:08:58,103 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:08:58,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-22 13:08:58,104 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-22 13:08:58,124 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [909] [909] L2-->L862: Formula: (let ((.cse8 (= (mod ~z$r_buff1_thd0~0_In-1635623732 256) 0)) (.cse9 (= (mod ~z$w_buff1_used~0_In-1635623732 256) 0)) (.cse6 (= (mod ~z$w_buff0_used~0_In-1635623732 256) 0)) (.cse7 (= (mod ~z$r_buff0_thd0~0_In-1635623732 256) 0))) (let ((.cse0 (or .cse6 .cse7)) (.cse3 (or .cse8 .cse9)) (.cse4 (not .cse9)) (.cse5 (not .cse8)) (.cse1 (not .cse7)) (.cse2 (not .cse6))) (and (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1635623732 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1635623732|) (= ~z$r_buff1_thd0~0_Out-1635623732 ~z$r_buff1_thd0~0_In-1635623732) (or (and (= ~z$w_buff0_used~0_Out-1635623732 ~z$w_buff0_used~0_In-1635623732) .cse0) (and .cse1 (= ~z$w_buff0_used~0_Out-1635623732 0) .cse2)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1635623732 0)) (= ~z$r_buff0_thd0~0_In-1635623732 ~z$r_buff0_thd0~0_Out-1635623732) (or (and (= ~z$w_buff1_used~0_In-1635623732 ~z$w_buff1_used~0_Out-1635623732) .cse3) (and .cse4 .cse5 (= ~z$w_buff1_used~0_Out-1635623732 0))) (or (and .cse0 (or (and .cse3 (= ~z~0_Out-1635623732 ~z~0_In-1635623732)) (and (= ~z~0_Out-1635623732 ~z$w_buff1~0_In-1635623732) .cse4 .cse5))) (and .cse1 (= ~z~0_Out-1635623732 ~z$w_buff0~0_In-1635623732) .cse2))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1635623732|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1635623732, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1635623732, ~z$w_buff0~0=~z$w_buff0~0_In-1635623732, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1635623732, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1635623732, ~z$w_buff1~0=~z$w_buff1~0_In-1635623732, ~z~0=~z~0_In-1635623732} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out-1635623732, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-1635623732|, ~z$w_buff0~0=~z$w_buff0~0_In-1635623732, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out-1635623732, ~z$w_buff1~0=~z$w_buff1~0_In-1635623732, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out-1635623732|, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-1635623732|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-1635623732|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1635623732|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out-1635623732, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-1635623732|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-1635623732|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1635623732, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out-1635623732, ~z~0=~z~0_Out-1635623732} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite38, ~z~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42] because there is no mapped edge [2020-11-22 13:08:58,133 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,133 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,133 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,134 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [805] [2020-11-22 13:08:58,135 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,135 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,136 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,136 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,136 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,136 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,136 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,137 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,137 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,137 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,137 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,137 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,137 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,137 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,137 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,138 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,138 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,138 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,138 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,138 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,138 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,138 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,139 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,139 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,143 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,143 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,143 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,143 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:58 BasicIcfg [2020-11-22 13:08:58,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:58,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:58,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:58,230 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:58,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:49" (3/4) ... [2020-11-22 13:08:58,235 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 13:08:58,253 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [909] [909] L2-->L862: Formula: (let ((.cse8 (= (mod ~z$r_buff1_thd0~0_In-1635623732 256) 0)) (.cse9 (= (mod ~z$w_buff1_used~0_In-1635623732 256) 0)) (.cse6 (= (mod ~z$w_buff0_used~0_In-1635623732 256) 0)) (.cse7 (= (mod ~z$r_buff0_thd0~0_In-1635623732 256) 0))) (let ((.cse0 (or .cse6 .cse7)) (.cse3 (or .cse8 .cse9)) (.cse4 (not .cse9)) (.cse5 (not .cse8)) (.cse1 (not .cse7)) (.cse2 (not .cse6))) (and (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1635623732 |ULTIMATE.start_assume_abort_if_not_#in~cond_In-1635623732|) (= ~z$r_buff1_thd0~0_Out-1635623732 ~z$r_buff1_thd0~0_In-1635623732) (or (and (= ~z$w_buff0_used~0_Out-1635623732 ~z$w_buff0_used~0_In-1635623732) .cse0) (and .cse1 (= ~z$w_buff0_used~0_Out-1635623732 0) .cse2)) (not (= ULTIMATE.start_assume_abort_if_not_~cond_Out-1635623732 0)) (= ~z$r_buff0_thd0~0_In-1635623732 ~z$r_buff0_thd0~0_Out-1635623732) (or (and (= ~z$w_buff1_used~0_In-1635623732 ~z$w_buff1_used~0_Out-1635623732) .cse3) (and .cse4 .cse5 (= ~z$w_buff1_used~0_Out-1635623732 0))) (or (and .cse0 (or (and .cse3 (= ~z~0_Out-1635623732 ~z~0_In-1635623732)) (and (= ~z~0_Out-1635623732 ~z$w_buff1~0_In-1635623732) .cse4 .cse5))) (and .cse1 (= ~z~0_Out-1635623732 ~z$w_buff0~0_In-1635623732) .cse2))))) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1635623732|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_In-1635623732, ~z$w_buff0_used~0=~z$w_buff0_used~0_In-1635623732, ~z$w_buff0~0=~z$w_buff0~0_In-1635623732, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_In-1635623732, ~z$w_buff1_used~0=~z$w_buff1_used~0_In-1635623732, ~z$w_buff1~0=~z$w_buff1~0_In-1635623732, ~z~0=~z~0_In-1635623732} OutVars{~z$w_buff0_used~0=~z$w_buff0_used~0_Out-1635623732, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-1635623732|, ~z$w_buff0~0=~z$w_buff0~0_In-1635623732, ~z$w_buff1_used~0=~z$w_buff1_used~0_Out-1635623732, ~z$w_buff1~0=~z$w_buff1~0_In-1635623732, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out-1635623732|, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-1635623732|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-1635623732|, ULTIMATE.start_assume_abort_if_not_#in~cond=|ULTIMATE.start_assume_abort_if_not_#in~cond_In-1635623732|, ~z$r_buff0_thd0~0=~z$r_buff0_thd0~0_Out-1635623732, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-1635623732|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-1635623732|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_Out-1635623732, ~z$r_buff1_thd0~0=~z$r_buff1_thd0~0_Out-1635623732, ~z~0=~z~0_Out-1635623732} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_assume_abort_if_not_~cond, ~z$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ULTIMATE.start_main_#t~ite38, ~z~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42] because there is no mapped edge [2020-11-22 13:08:58,254 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,255 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,255 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,255 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [805] [2020-11-22 13:08:58,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,256 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,256 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,257 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,257 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,259 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,259 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:08:58,259 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:08:58,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_94e15f01-87fb-419e-b64a-0eaaa5ce6a3d/bin/utaipan/witness.graphml [2020-11-22 13:08:58,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:58,391 INFO L168 Benchmark]: Toolchain (without parser) took 11828.17 ms. Allocated memory was 83.9 MB in the beginning and 262.1 MB in the end (delta: 178.3 MB). Free memory was 51.0 MB in the beginning and 120.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 107.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:58,392 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:58,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.42 ms. Allocated memory is still 83.9 MB. Free memory was 50.7 MB in the beginning and 37.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:58,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.30 ms. Allocated memory is still 83.9 MB. Free memory was 37.8 MB in the beginning and 35.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:58,393 INFO L168 Benchmark]: Boogie Preprocessor took 41.13 ms. Allocated memory is still 83.9 MB. Free memory was 35.3 MB in the beginning and 33.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:58,393 INFO L168 Benchmark]: RCFGBuilder took 2167.26 ms. Allocated memory is still 100.7 MB. Free memory was 79.2 MB in the beginning and 31.9 MB in the end (delta: 47.3 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:58,394 INFO L168 Benchmark]: TraceAbstraction took 8775.73 ms. Allocated memory was 100.7 MB in the beginning and 262.1 MB in the end (delta: 161.5 MB). Free memory was 31.9 MB in the beginning and 140.1 MB in the end (delta: -108.1 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:58,394 INFO L168 Benchmark]: Witness Printer took 160.65 ms. Allocated memory is still 262.1 MB. Free memory was 140.1 MB in the beginning and 120.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:58,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.42 ms. Allocated memory is still 83.9 MB. Free memory was 50.7 MB in the beginning and 37.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.30 ms. Allocated memory is still 83.9 MB. Free memory was 37.8 MB in the beginning and 35.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.13 ms. Allocated memory is still 83.9 MB. Free memory was 35.3 MB in the beginning and 33.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2167.26 ms. Allocated memory is still 100.7 MB. Free memory was 79.2 MB in the beginning and 31.9 MB in the end (delta: 47.3 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8775.73 ms. Allocated memory was 100.7 MB in the beginning and 262.1 MB in the end (delta: 161.5 MB). Free memory was 31.9 MB in the beginning and 140.1 MB in the end (delta: -108.1 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. * Witness Printer took 160.65 ms. Allocated memory is still 262.1 MB. Free memory was 140.1 MB in the beginning and 120.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1701 VarBasedMoverChecksPositive, 87 VarBasedMoverChecksNegative, 28 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.4s, 170 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.2s, 126 PlacesBefore, 43 PlacesAfterwards, 116 TransitionsBefore, 31 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 8 FixpointIterations, 39 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 106 TotalNumberOfCompositions, 6807 MoverChecksTotal - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L724] 0 int z = 0; [L725] 0 _Bool z$flush_delayed; [L726] 0 int z$mem_tmp; [L727] 0 _Bool z$r_buff0_thd0; [L728] 0 _Bool z$r_buff0_thd1; [L729] 0 _Bool z$r_buff0_thd2; [L730] 0 _Bool z$r_buff0_thd3; [L731] 0 _Bool z$r_buff0_thd4; [L732] 0 _Bool z$r_buff1_thd0; [L733] 0 _Bool z$r_buff1_thd1; [L734] 0 _Bool z$r_buff1_thd2; [L735] 0 _Bool z$r_buff1_thd3; [L736] 0 _Bool z$r_buff1_thd4; [L737] 0 _Bool z$read_delayed; [L738] 0 int *z$read_delayed_var; [L739] 0 int z$w_buff0; [L740] 0 _Bool z$w_buff0_used; [L741] 0 int z$w_buff1; [L742] 0 _Bool z$w_buff1_used; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L844] 0 pthread_t t1413; [L845] FCALL, FORK 0 pthread_create(&t1413, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1414; [L847] FCALL, FORK 0 pthread_create(&t1414, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1415; [L849] FCALL, FORK 0 pthread_create(&t1415, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1416; [L851] FCALL, FORK 0 pthread_create(&t1416, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L806] 4 z$w_buff1 = z$w_buff0 [L807] 4 z$w_buff0 = 1 [L808] 4 z$w_buff1_used = z$w_buff0_used [L809] 4 z$w_buff0_used = (_Bool)1 [L18] COND TRUE 4 !expression [L17] COND FALSE 4 !(0) [L17] 4 __assert_fail ("0", "mix053_power.opt.c", 8, __extension__ __PRETTY_FUNCTION__) [L811] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L812] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L813] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L814] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L815] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L816] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L763] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 2 return 0; [L778] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L781] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L782] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L783] 3 z$flush_delayed = weak$$choice2 [L784] 3 z$mem_tmp = z [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L785] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L786] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L786] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L787] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L787] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L787] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L787] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L788] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L788] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L789] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L790] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L791] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L791] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L792] 3 __unbuffered_p2_EAX = z [L793] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L793] 3 z = z$flush_delayed ? z$mem_tmp : z [L794] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L799] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 3 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L864] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix053_power.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.4s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 333 SDtfs, 292 SDslu, 481 SDs, 0 SdLazy, 195 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2090occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 10033 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...