./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix023_rmo.oepc.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_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix023_rmo.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/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 a7c4361955c1c60f21ac0cbf5aafce8e42517fdd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:58:44,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:44,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:44,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:44,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:44,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:44,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:44,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:44,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:44,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:44,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:44,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:44,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:44,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:44,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:44,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:44,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:44,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:44,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:44,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:44,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:44,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:44,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:44,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:44,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:44,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:44,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:44,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:44,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:44,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:44,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:44,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:44,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:44,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:44,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:44,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:44,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:44,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:44,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:44,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:44,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:44,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:58:44,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:44,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:44,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:44,407 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:44,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:44,408 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:44,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:58:44,408 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:44,409 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:44,409 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:58:44,409 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:58:44,410 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:44,410 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:58:44,411 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:58:44,411 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:58:44,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:44,412 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:44,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:44,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:44,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:44,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:44,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:44,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:44,415 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:44,415 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:44,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:44,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:44,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:44,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:44,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:44,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:44,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:44,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:44,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:44,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:44,419 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:58:44,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:58:44,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:44,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:44,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:44,421 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_f528b6be-64a6-4b56-8bd4-5a4a924d83db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7c4361955c1c60f21ac0cbf5aafce8e42517fdd [2020-11-22 12:58:44,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:44,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:44,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:44,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:44,750 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:44,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/mix023_rmo.oepc.i [2020-11-22 12:58:44,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/data/407263041/fc2169dfe084490cb80138b5837e2a20/FLAGc3b5e17fa [2020-11-22 12:58:45,355 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:45,356 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/sv-benchmarks/c/pthread-wmm/mix023_rmo.oepc.i [2020-11-22 12:58:45,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/data/407263041/fc2169dfe084490cb80138b5837e2a20/FLAGc3b5e17fa [2020-11-22 12:58:45,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/data/407263041/fc2169dfe084490cb80138b5837e2a20 [2020-11-22 12:58:45,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:45,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:45,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:45,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:45,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:45,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:45" (1/1) ... [2020-11-22 12:58:45,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5751bf53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:45, skipping insertion in model container [2020-11-22 12:58:45,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:45" (1/1) ... [2020-11-22 12:58:45,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:45,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:46,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:46,152 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:58:46,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:46,305 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:58:46,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46 WrapperNode [2020-11-22 12:58:46,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:46,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:46,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:58:46,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:58:46,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:46,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:58:46,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:58:46,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:58:46,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... [2020-11-22 12:58:46,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:58:46,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:58:46,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:58:46,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:58:46,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/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 12:58:46,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 12:58:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-22 12:58:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:58:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:58:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-22 12:58:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-22 12:58:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-22 12:58:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-22 12:58:46,514 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-22 12:58:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-22 12:58:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-22 12:58:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-22 12:58:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:58:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-22 12:58:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:58:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:58:46,522 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 12:58:49,474 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:58:49,474 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-22 12:58:49,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:49 BoogieIcfgContainer [2020-11-22 12:58:49,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:58:49,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:58:49,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:58:49,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:58:49,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:58:45" (1/3) ... [2020-11-22 12:58:49,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636bd046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:49, skipping insertion in model container [2020-11-22 12:58:49,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:46" (2/3) ... [2020-11-22 12:58:49,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636bd046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:49, skipping insertion in model container [2020-11-22 12:58:49,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:49" (3/3) ... [2020-11-22 12:58:49,485 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_rmo.oepc.i [2020-11-22 12:58:49,495 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-22 12:58:49,496 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:58:49,500 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-22 12:58:49,501 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-22 12:58:49,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,547 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,549 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,551 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,554 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,554 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,557 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,557 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,573 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,574 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,575 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,576 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,576 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,577 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,577 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,577 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,578 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,579 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,580 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,581 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,581 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,581 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,581 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,581 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,582 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,582 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,582 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,582 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,582 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,583 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,584 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,585 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,591 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,592 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,596 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,596 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,599 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,600 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,600 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,600 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,600 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,600 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,601 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,601 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,601 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,601 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,601 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,601 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,602 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,602 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,602 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,602 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,602 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,607 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,607 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,608 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,609 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,609 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,609 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,610 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 12:58:49,611 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-22 12:58:49,622 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-22 12:58:49,648 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:58:49,650 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:58:49,650 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:58:49,650 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:58:49,650 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:58:49,650 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:58:49,651 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:58:49,651 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:58:49,672 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-22 12:58:49,674 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 123 transitions, 266 flow [2020-11-22 12:58:49,678 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 123 transitions, 266 flow [2020-11-22 12:58:49,679 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 123 transitions, 266 flow [2020-11-22 12:58:49,754 INFO L129 PetriNetUnfolder]: 3/119 cut-off events. [2020-11-22 12:58:49,754 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-22 12:58:49,760 INFO L80 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 119 events. 3/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 101 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2020-11-22 12:58:49,768 INFO L116 LiptonReduction]: Number of co-enabled transitions 3142 [2020-11-22 12:58:50,093 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,094 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,102 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 12:58:50,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 12:58:50,107 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 12:58:50,108 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 12:58:50,114 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 12:58:50,115 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 12:58:50,121 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 12:58:50,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:50,127 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 12:58:50,130 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:50,134 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 12:58:50,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:50,242 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 12:58:50,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 12:58:50,245 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 12:58:50,245 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:50,320 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,321 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,322 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,322 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,324 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,324 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,326 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,352 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,354 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,357 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,359 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,581 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,582 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,583 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,583 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,585 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,586 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,588 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,588 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,610 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,611 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,612 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,614 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,614 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,616 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,616 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,746 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,748 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,749 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,750 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,751 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,777 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,778 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,781 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,783 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,841 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,867 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,867 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,872 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,873 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,876 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,876 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,898 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,898 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,899 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,899 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,901 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,901 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,903 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,903 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,990 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,991 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,992 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:50,994 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:50,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:50,996 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:50,997 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,020 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:51,020 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,021 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,025 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,028 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:51,029 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,164 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 12:58:51,165 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 12:58:51,167 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 12:58:51,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:51,219 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,221 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 12:58:51,222 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 12:58:51,223 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 12:58:51,223 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 12:58:51,227 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 12:58:51,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 12:58:51,229 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 12:58:51,229 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:51,231 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 12:58:51,232 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:51,233 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 12:58:51,234 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:51,268 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:51,269 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,270 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,270 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,271 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,272 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,273 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:51,274 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,290 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:51,290 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,291 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,291 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,314 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,315 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,316 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:51,316 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,353 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 12:58:51,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,681 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-11-22 12:58:51,924 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,924 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,925 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,925 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,927 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,931 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:51,931 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,956 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,957 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,958 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,958 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:51,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:51,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:51,961 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:51,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:52,155 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 12:58:52,155 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:52,157 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 12:58:52,157 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:52,158 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 12:58:52,158 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:52,219 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 12:58:52,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:52,230 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 12:58:52,230 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:52,273 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 12:58:52,274 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:52,702 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2020-11-22 12:58:52,828 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-22 12:58:52,831 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 12:58:52,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:52,968 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 12:58:52,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:52,969 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 12:58:52,969 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:52,970 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 12:58:52,970 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:53,007 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 12:58:53,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 12:58:53,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,304 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:53,305 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,305 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,305 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,307 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,307 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:53,308 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:53,309 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:53,334 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,334 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,335 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,335 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,336 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,337 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:53,338 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:53,338 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:53,368 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:53,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,369 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,369 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,370 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,370 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:53,372 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:53,372 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 12:58:53,386 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,387 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,387 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:53,402 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 12:58:53,405 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:53,407 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 12:58:53,407 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 12:58:53,454 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 12:58:53,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 12:58:54,280 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-22 12:58:54,946 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-11-22 12:58:55,133 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-11-22 12:58:55,140 INFO L131 LiptonReduction]: Checked pairs total: 9256 [2020-11-22 12:58:55,140 INFO L133 LiptonReduction]: Total number of compositions: 102 [2020-11-22 12:58:55,153 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 37 transitions, 94 flow [2020-11-22 12:58:55,672 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6926 states. [2020-11-22 12:58:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states. [2020-11-22 12:58:55,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-22 12:58:55,679 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:55,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-22 12:58:55,680 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:55,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:55,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1249947, now seen corresponding path program 1 times [2020-11-22 12:58:55,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:55,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853279260] [2020-11-22 12:58:55,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:55,905 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 12:58:55,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853279260] [2020-11-22 12:58:55,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:55,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-22 12:58:55,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813024571] [2020-11-22 12:58:55,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:58:55,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:55,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:58:55,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:58:55,926 INFO L87 Difference]: Start difference. First operand 6926 states. Second operand 3 states. [2020-11-22 12:58:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:56,122 INFO L93 Difference]: Finished difference Result 5772 states and 23348 transitions. [2020-11-22 12:58:56,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:56,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-22 12:58:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:56,195 INFO L225 Difference]: With dead ends: 5772 [2020-11-22 12:58:56,195 INFO L226 Difference]: Without dead ends: 4872 [2020-11-22 12:58:56,196 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 12:58:56,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2020-11-22 12:58:56,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4872. [2020-11-22 12:58:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4872 states. [2020-11-22 12:58:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 19508 transitions. [2020-11-22 12:58:56,589 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 19508 transitions. Word has length 3 [2020-11-22 12:58:56,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:56,590 INFO L481 AbstractCegarLoop]: Abstraction has 4872 states and 19508 transitions. [2020-11-22 12:58:56,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:58:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 19508 transitions. [2020-11-22 12:58:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 12:58:56,603 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:56,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:56,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:58:56,604 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:56,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:56,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1950317868, now seen corresponding path program 1 times [2020-11-22 12:58:56,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:56,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026610071] [2020-11-22 12:58:56,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:56,810 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 12:58:56,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026610071] [2020-11-22 12:58:56,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:56,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:58:56,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563203393] [2020-11-22 12:58:56,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:56,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:56,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:56,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:56,813 INFO L87 Difference]: Start difference. First operand 4872 states and 19508 transitions. Second operand 4 states. [2020-11-22 12:58:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:56,930 INFO L93 Difference]: Finished difference Result 5652 states and 21952 transitions. [2020-11-22 12:58:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:56,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-22 12:58:56,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:56,992 INFO L225 Difference]: With dead ends: 5652 [2020-11-22 12:58:56,992 INFO L226 Difference]: Without dead ends: 4752 [2020-11-22 12:58:56,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 12:58:57,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4752 states. [2020-11-22 12:58:57,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4752 to 4752. [2020-11-22 12:58:57,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4752 states. [2020-11-22 12:58:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4752 states and 18952 transitions. [2020-11-22 12:58:57,371 INFO L78 Accepts]: Start accepts. Automaton has 4752 states and 18952 transitions. Word has length 12 [2020-11-22 12:58:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:57,372 INFO L481 AbstractCegarLoop]: Abstraction has 4752 states and 18952 transitions. [2020-11-22 12:58:57,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:57,373 INFO L276 IsEmpty]: Start isEmpty. Operand 4752 states and 18952 transitions. [2020-11-22 12:58:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 12:58:57,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:57,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:57,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 12:58:57,377 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:57,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:57,387 INFO L82 PathProgramCache]: Analyzing trace with hash -2095140115, now seen corresponding path program 1 times [2020-11-22 12:58:57,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:57,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266420452] [2020-11-22 12:58:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:57,561 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 12:58:57,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266420452] [2020-11-22 12:58:57,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:57,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:58:57,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328447692] [2020-11-22 12:58:57,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:57,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:57,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:57,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:57,563 INFO L87 Difference]: Start difference. First operand 4752 states and 18952 transitions. Second operand 4 states. [2020-11-22 12:58:57,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:57,671 INFO L93 Difference]: Finished difference Result 5480 states and 21214 transitions. [2020-11-22 12:58:57,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:57,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-22 12:58:57,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:57,733 INFO L225 Difference]: With dead ends: 5480 [2020-11-22 12:58:57,734 INFO L226 Difference]: Without dead ends: 4640 [2020-11-22 12:58:57,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 12:58:57,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2020-11-22 12:58:57,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 4640. [2020-11-22 12:58:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4640 states. [2020-11-22 12:58:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 18436 transitions. [2020-11-22 12:58:57,991 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 18436 transitions. Word has length 13 [2020-11-22 12:58:57,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:57,991 INFO L481 AbstractCegarLoop]: Abstraction has 4640 states and 18436 transitions. [2020-11-22 12:58:57,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 18436 transitions. [2020-11-22 12:58:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-22 12:58:57,996 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:57,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:57,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-22 12:58:57,996 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:57,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:57,997 INFO L82 PathProgramCache]: Analyzing trace with hash -525857589, now seen corresponding path program 1 times [2020-11-22 12:58:57,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:57,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314254482] [2020-11-22 12:58:57,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:58,192 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 12:58:58,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314254482] [2020-11-22 12:58:58,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:58,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:58:58,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467185221] [2020-11-22 12:58:58,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:58,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:58,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:58,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:58,197 INFO L87 Difference]: Start difference. First operand 4640 states and 18436 transitions. Second operand 4 states. [2020-11-22 12:58:58,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:58,301 INFO L93 Difference]: Finished difference Result 4976 states and 19228 transitions. [2020-11-22 12:58:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:58,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-22 12:58:58,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:58,323 INFO L225 Difference]: With dead ends: 4976 [2020-11-22 12:58:58,323 INFO L226 Difference]: Without dead ends: 4192 [2020-11-22 12:58:58,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 12:58:58,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4192 states. [2020-11-22 12:58:58,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4192 to 4192. [2020-11-22 12:58:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4192 states. [2020-11-22 12:58:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 4192 states and 16484 transitions. [2020-11-22 12:58:58,483 INFO L78 Accepts]: Start accepts. Automaton has 4192 states and 16484 transitions. Word has length 14 [2020-11-22 12:58:58,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:58,484 INFO L481 AbstractCegarLoop]: Abstraction has 4192 states and 16484 transitions. [2020-11-22 12:58:58,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4192 states and 16484 transitions. [2020-11-22 12:58:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-22 12:58:58,488 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:58,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:58,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-22 12:58:58,489 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:58,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:58,489 INFO L82 PathProgramCache]: Analyzing trace with hash 606522219, now seen corresponding path program 1 times [2020-11-22 12:58:58,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:58,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341048841] [2020-11-22 12:58:58,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:58,570 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 12:58:58,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341048841] [2020-11-22 12:58:58,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:58,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:58:58,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118883456] [2020-11-22 12:58:58,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:58,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:58,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:58,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:58,572 INFO L87 Difference]: Start difference. First operand 4192 states and 16484 transitions. Second operand 4 states. [2020-11-22 12:58:58,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:58,681 INFO L93 Difference]: Finished difference Result 4432 states and 17036 transitions. [2020-11-22 12:58:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:58,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-22 12:58:58,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:58,700 INFO L225 Difference]: With dead ends: 4432 [2020-11-22 12:58:58,701 INFO L226 Difference]: Without dead ends: 3872 [2020-11-22 12:58:58,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 12:58:58,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2020-11-22 12:58:58,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3872. [2020-11-22 12:58:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3872 states. [2020-11-22 12:58:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 15108 transitions. [2020-11-22 12:58:58,840 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 15108 transitions. Word has length 15 [2020-11-22 12:58:58,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:58,840 INFO L481 AbstractCegarLoop]: Abstraction has 3872 states and 15108 transitions. [2020-11-22 12:58:58,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 15108 transitions. [2020-11-22 12:58:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:58:58,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:58,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:58,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-22 12:58:58,847 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:58,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:58,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1622411862, now seen corresponding path program 1 times [2020-11-22 12:58:58,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:58,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276321358] [2020-11-22 12:58:58,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:58,946 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 12:58:58,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276321358] [2020-11-22 12:58:58,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:58,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 12:58:58,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318386186] [2020-11-22 12:58:58,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:58,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:58,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:58,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:58,948 INFO L87 Difference]: Start difference. First operand 3872 states and 15108 transitions. Second operand 4 states. [2020-11-22 12:58:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:59,041 INFO L93 Difference]: Finished difference Result 3684 states and 13008 transitions. [2020-11-22 12:58:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:59,041 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-11-22 12:58:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:59,059 INFO L225 Difference]: With dead ends: 3684 [2020-11-22 12:58:59,059 INFO L226 Difference]: Without dead ends: 2784 [2020-11-22 12:58:59,060 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 12:58:59,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2020-11-22 12:58:59,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2020-11-22 12:58:59,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2784 states. [2020-11-22 12:58:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 9668 transitions. [2020-11-22 12:58:59,234 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 9668 transitions. Word has length 16 [2020-11-22 12:58:59,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:59,234 INFO L481 AbstractCegarLoop]: Abstraction has 2784 states and 9668 transitions. [2020-11-22 12:58:59,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 9668 transitions. [2020-11-22 12:58:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:58:59,241 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:59,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:59,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-22 12:58:59,242 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:59,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:59,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1960328793, now seen corresponding path program 1 times [2020-11-22 12:58:59,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:59,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934199624] [2020-11-22 12:58:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:59,343 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 12:58:59,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934199624] [2020-11-22 12:58:59,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:59,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-22 12:58:59,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495963123] [2020-11-22 12:58:59,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:59,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:59,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:59,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:59,345 INFO L87 Difference]: Start difference. First operand 2784 states and 9668 transitions. Second operand 5 states. [2020-11-22 12:58:59,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:59,432 INFO L93 Difference]: Finished difference Result 2228 states and 7144 transitions. [2020-11-22 12:58:59,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:58:59,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-11-22 12:58:59,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:59,440 INFO L225 Difference]: With dead ends: 2228 [2020-11-22 12:58:59,440 INFO L226 Difference]: Without dead ends: 1728 [2020-11-22 12:58:59,441 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 12:58:59,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2020-11-22 12:58:59,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1728. [2020-11-22 12:58:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1728 states. [2020-11-22 12:58:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 5444 transitions. [2020-11-22 12:58:59,492 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 5444 transitions. Word has length 19 [2020-11-22 12:58:59,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:59,493 INFO L481 AbstractCegarLoop]: Abstraction has 1728 states and 5444 transitions. [2020-11-22 12:58:59,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 5444 transitions. [2020-11-22 12:58:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:58:59,498 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:59,498 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] [2020-11-22 12:58:59,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-22 12:58:59,498 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:59,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:59,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1464730691, now seen corresponding path program 1 times [2020-11-22 12:58:59,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:59,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348583623] [2020-11-22 12:58:59,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:59,693 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 12:58:59,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348583623] [2020-11-22 12:58:59,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:59,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-22 12:58:59,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082371546] [2020-11-22 12:58:59,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 12:58:59,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:58:59,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 12:58:59,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-22 12:58:59,695 INFO L87 Difference]: Start difference. First operand 1728 states and 5444 transitions. Second operand 6 states. [2020-11-22 12:58:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:59,817 INFO L93 Difference]: Finished difference Result 1480 states and 4661 transitions. [2020-11-22 12:58:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 12:58:59,818 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-11-22 12:58:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:59,823 INFO L225 Difference]: With dead ends: 1480 [2020-11-22 12:58:59,824 INFO L226 Difference]: Without dead ends: 1340 [2020-11-22 12:58:59,824 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 12:58:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2020-11-22 12:58:59,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2020-11-22 12:58:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-11-22 12:58:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 4280 transitions. [2020-11-22 12:58:59,870 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 4280 transitions. Word has length 22 [2020-11-22 12:58:59,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:59,870 INFO L481 AbstractCegarLoop]: Abstraction has 1340 states and 4280 transitions. [2020-11-22 12:58:59,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 12:58:59,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 4280 transitions. [2020-11-22 12:58:59,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:58:59,876 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:59,876 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, 1, 1] [2020-11-22 12:58:59,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-22 12:58:59,876 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:59,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:59,877 INFO L82 PathProgramCache]: Analyzing trace with hash 307475566, now seen corresponding path program 1 times [2020-11-22 12:58:59,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:58:59,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051789649] [2020-11-22 12:58:59,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:58:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:00,177 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 12:59:00,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051789649] [2020-11-22 12:59:00,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:00,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-22 12:59:00,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167651779] [2020-11-22 12:59:00,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:59:00,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:59:00,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:59:00,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:00,179 INFO L87 Difference]: Start difference. First operand 1340 states and 4280 transitions. Second operand 8 states. [2020-11-22 12:59:00,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:00,618 INFO L93 Difference]: Finished difference Result 2050 states and 6261 transitions. [2020-11-22 12:59:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:59:00,619 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-11-22 12:59:00,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:00,626 INFO L225 Difference]: With dead ends: 2050 [2020-11-22 12:59:00,626 INFO L226 Difference]: Without dead ends: 1751 [2020-11-22 12:59:00,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-11-22 12:59:00,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2020-11-22 12:59:00,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1583. [2020-11-22 12:59:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1583 states. [2020-11-22 12:59:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 4968 transitions. [2020-11-22 12:59:00,691 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 4968 transitions. Word has length 26 [2020-11-22 12:59:00,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:00,694 INFO L481 AbstractCegarLoop]: Abstraction has 1583 states and 4968 transitions. [2020-11-22 12:59:00,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:59:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 4968 transitions. [2020-11-22 12:59:00,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:59:00,700 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:00,700 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, 1, 1] [2020-11-22 12:59:00,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-22 12:59:00,706 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:00,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:00,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1089126382, now seen corresponding path program 2 times [2020-11-22 12:59:00,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:59:00,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407840975] [2020-11-22 12:59:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:59:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:00,887 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 12:59:00,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407840975] [2020-11-22 12:59:00,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:00,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-22 12:59:00,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579889888] [2020-11-22 12:59:00,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-22 12:59:00,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:59:00,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-22 12:59:00,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:59:00,889 INFO L87 Difference]: Start difference. First operand 1583 states and 4968 transitions. Second operand 7 states. [2020-11-22 12:59:01,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:01,001 INFO L93 Difference]: Finished difference Result 1538 states and 4873 transitions. [2020-11-22 12:59:01,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:59:01,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-11-22 12:59:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:01,007 INFO L225 Difference]: With dead ends: 1538 [2020-11-22 12:59:01,007 INFO L226 Difference]: Without dead ends: 1396 [2020-11-22 12:59:01,008 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 12:59:01,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2020-11-22 12:59:01,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1396. [2020-11-22 12:59:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1396 states. [2020-11-22 12:59:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 4456 transitions. [2020-11-22 12:59:01,067 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 4456 transitions. Word has length 26 [2020-11-22 12:59:01,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:01,067 INFO L481 AbstractCegarLoop]: Abstraction has 1396 states and 4456 transitions. [2020-11-22 12:59:01,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-22 12:59:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 4456 transitions. [2020-11-22 12:59:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-22 12:59:01,074 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:01,074 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, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:01,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-22 12:59:01,075 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:01,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:01,075 INFO L82 PathProgramCache]: Analyzing trace with hash 24460267, now seen corresponding path program 1 times [2020-11-22 12:59:01,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:59:01,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698941158] [2020-11-22 12:59:01,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:59:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:01,517 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 12:59:01,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698941158] [2020-11-22 12:59:01,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:01,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-22 12:59:01,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791459439] [2020-11-22 12:59:01,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 12:59:01,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:59:01,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 12:59:01,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:59:01,521 INFO L87 Difference]: Start difference. First operand 1396 states and 4456 transitions. Second operand 9 states. [2020-11-22 12:59:01,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:01,821 INFO L93 Difference]: Finished difference Result 1987 states and 6103 transitions. [2020-11-22 12:59:01,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 12:59:01,821 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-11-22 12:59:01,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:01,828 INFO L225 Difference]: With dead ends: 1987 [2020-11-22 12:59:01,828 INFO L226 Difference]: Without dead ends: 1584 [2020-11-22 12:59:01,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-11-22 12:59:01,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2020-11-22 12:59:01,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1324. [2020-11-22 12:59:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1324 states. [2020-11-22 12:59:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 4140 transitions. [2020-11-22 12:59:01,906 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 4140 transitions. Word has length 30 [2020-11-22 12:59:01,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:01,906 INFO L481 AbstractCegarLoop]: Abstraction has 1324 states and 4140 transitions. [2020-11-22 12:59:01,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 12:59:01,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 4140 transitions. [2020-11-22 12:59:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-22 12:59:01,911 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:01,911 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, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:01,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-22 12:59:01,912 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:01,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:01,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1229769015, now seen corresponding path program 2 times [2020-11-22 12:59:01,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:59:01,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501200851] [2020-11-22 12:59:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:59:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:02,244 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 12:59:02,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501200851] [2020-11-22 12:59:02,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:02,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-22 12:59:02,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721731395] [2020-11-22 12:59:02,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 12:59:02,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:59:02,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 12:59:02,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:59:02,246 INFO L87 Difference]: Start difference. First operand 1324 states and 4140 transitions. Second operand 9 states. [2020-11-22 12:59:02,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:02,552 INFO L93 Difference]: Finished difference Result 1539 states and 4695 transitions. [2020-11-22 12:59:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 12:59:02,553 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-11-22 12:59:02,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:02,557 INFO L225 Difference]: With dead ends: 1539 [2020-11-22 12:59:02,557 INFO L226 Difference]: Without dead ends: 1404 [2020-11-22 12:59:02,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:59:02,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2020-11-22 12:59:02,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1188. [2020-11-22 12:59:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-11-22 12:59:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 3726 transitions. [2020-11-22 12:59:02,591 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 3726 transitions. Word has length 30 [2020-11-22 12:59:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:02,593 INFO L481 AbstractCegarLoop]: Abstraction has 1188 states and 3726 transitions. [2020-11-22 12:59:02,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 12:59:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 3726 transitions. [2020-11-22 12:59:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-22 12:59:02,597 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:02,598 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, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:02,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-22 12:59:02,598 INFO L429 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:02,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:02,599 INFO L82 PathProgramCache]: Analyzing trace with hash 47219465, now seen corresponding path program 3 times [2020-11-22 12:59:02,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:59:02,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573690780] [2020-11-22 12:59:02,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:59:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:02,847 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 12:59:02,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573690780] [2020-11-22 12:59:02,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:02,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-22 12:59:02,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391249139] [2020-11-22 12:59:02,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 12:59:02,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:59:02,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 12:59:02,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:59:02,849 INFO L87 Difference]: Start difference. First operand 1188 states and 3726 transitions. Second operand 9 states. [2020-11-22 12:59:03,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:03,121 INFO L93 Difference]: Finished difference Result 1820 states and 5545 transitions. [2020-11-22 12:59:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:59:03,122 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-11-22 12:59:03,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:03,127 INFO L225 Difference]: With dead ends: 1820 [2020-11-22 12:59:03,127 INFO L226 Difference]: Without dead ends: 1697 [2020-11-22 12:59:03,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-11-22 12:59:03,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2020-11-22 12:59:03,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1256. [2020-11-22 12:59:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-11-22 12:59:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 3906 transitions. [2020-11-22 12:59:03,162 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 3906 transitions. Word has length 30 [2020-11-22 12:59:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:03,163 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 3906 transitions. [2020-11-22 12:59:03,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 12:59:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 3906 transitions. [2020-11-22 12:59:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-22 12:59:03,167 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:03,167 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, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:03,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-22 12:59:03,168 INFO L429 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:03,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:03,168 INFO L82 PathProgramCache]: Analyzing trace with hash 2074965163, now seen corresponding path program 4 times [2020-11-22 12:59:03,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:59:03,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677893292] [2020-11-22 12:59:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:59:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:59:03,222 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:59:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:59:03,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:59:03,313 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 12:59:03,313 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:59:03,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-22 12:59:03,347 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 12:59:03,347 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,348 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 12:59:03,348 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [751] [2020-11-22 12:59:03,349 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 12:59:03,350 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,350 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 12:59:03,350 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,350 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 12:59:03,350 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,350 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 12:59:03,351 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,351 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 12:59:03,351 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,352 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 12:59:03,352 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,352 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 12:59:03,352 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,352 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 12:59:03,352 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,353 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 12:59:03,353 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,353 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 12:59:03,353 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,353 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 12:59:03,353 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,354 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 12:59:03,354 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,355 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 12:59:03,355 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,355 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 12:59:03,355 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,355 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 12:59:03,355 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,355 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 12:59:03,356 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,356 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 12:59:03,356 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,356 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 12:59:03,356 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,356 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 12:59:03,357 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,357 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 12:59:03,357 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,357 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 12:59:03,357 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,357 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 12:59:03,358 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,358 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 12:59:03,358 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,358 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 12:59:03,358 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,358 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 12:59:03,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,359 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 12:59:03,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,359 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 12:59:03,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,360 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 12:59:03,360 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,360 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 12:59:03,360 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,360 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 12:59:03,361 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,361 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 12:59:03,361 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,361 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 12:59:03,361 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,362 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 12:59:03,362 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,362 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 12:59:03,362 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,362 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 12:59:03,362 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,363 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 12:59:03,363 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,363 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 12:59:03,363 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,363 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 12:59:03,363 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:59:03 BasicIcfg [2020-11-22 12:59:03,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:59:03,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:59:03,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:59:03,438 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:59:03,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:49" (3/4) ... [2020-11-22 12:59:03,441 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 12:59:03,465 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 12:59:03,465 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,466 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 12:59:03,466 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [751] [2020-11-22 12:59:03,466 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 12:59:03,466 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,467 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 12:59:03,467 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,467 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 12:59:03,467 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,467 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 12:59:03,467 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,467 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 12:59:03,467 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,468 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 12:59:03,468 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,468 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 12:59:03,468 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,468 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 12:59:03,468 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,469 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 12:59:03,469 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,469 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 12:59:03,469 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,469 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 12:59:03,469 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,470 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 12:59:03,470 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,470 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 12:59:03,470 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,470 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 12:59:03,470 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,471 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 12:59:03,471 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,471 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 12:59:03,471 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,471 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 12:59:03,471 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,471 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 12:59:03,471 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,472 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 12:59:03,472 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,472 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 12:59:03,472 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,472 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 12:59:03,472 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,472 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 12:59:03,473 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,473 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 12:59:03,473 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,473 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 12:59:03,473 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,473 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 12:59:03,473 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,474 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 12:59:03,474 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,474 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 12:59:03,474 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,474 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 12:59:03,474 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,475 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 12:59:03,475 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,475 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 12:59:03,475 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,475 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 12:59:03,475 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,475 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 12:59:03,476 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,476 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 12:59:03,476 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,476 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 12:59:03,476 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,477 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 12:59:03,477 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,477 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 12:59:03,477 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,477 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 12:59:03,477 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,477 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 12:59:03,477 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 12:59:03,609 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f528b6be-64a6-4b56-8bd4-5a4a924d83db/bin/utaipan/witness.graphml [2020-11-22 12:59:03,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:59:03,611 INFO L168 Benchmark]: Toolchain (without parser) took 17952.44 ms. Allocated memory was 98.6 MB in the beginning and 780.1 MB in the end (delta: 681.6 MB). Free memory was 61.6 MB in the beginning and 331.7 MB in the end (delta: -270.1 MB). Peak memory consumption was 412.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:03,611 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 98.6 MB. Free memory was 70.3 MB in the beginning and 70.2 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:03,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.36 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 49.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:03,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.56 ms. Allocated memory is still 98.6 MB. Free memory was 49.5 MB in the beginning and 47.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:03,612 INFO L168 Benchmark]: Boogie Preprocessor took 57.45 ms. Allocated memory is still 98.6 MB. Free memory was 47.0 MB in the beginning and 44.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:03,613 INFO L168 Benchmark]: RCFGBuilder took 3047.55 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 44.5 MB in the beginning and 46.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:03,613 INFO L168 Benchmark]: TraceAbstraction took 13959.88 ms. Allocated memory was 119.5 MB in the beginning and 780.1 MB in the end (delta: 660.6 MB). Free memory was 44.9 MB in the beginning and 361.1 MB in the end (delta: -316.1 MB). Peak memory consumption was 344.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:03,614 INFO L168 Benchmark]: Witness Printer took 171.75 ms. Allocated memory is still 780.1 MB. Free memory was 361.1 MB in the beginning and 331.7 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:03,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 98.6 MB. Free memory was 70.3 MB in the beginning and 70.2 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 644.36 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 49.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.56 ms. Allocated memory is still 98.6 MB. Free memory was 49.5 MB in the beginning and 47.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.45 ms. Allocated memory is still 98.6 MB. Free memory was 47.0 MB in the beginning and 44.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3047.55 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 44.5 MB in the beginning and 46.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13959.88 ms. Allocated memory was 119.5 MB in the beginning and 780.1 MB in the end (delta: 660.6 MB). Free memory was 44.9 MB in the beginning and 361.1 MB in the end (delta: -316.1 MB). Peak memory consumption was 344.4 MB. Max. memory is 16.1 GB. * Witness Printer took 171.75 ms. Allocated memory is still 780.1 MB. Free memory was 361.1 MB in the beginning and 331.7 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2153 VarBasedMoverChecksPositive, 84 VarBasedMoverChecksNegative, 27 SemBasedMoverChecksPositive, 57 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.7s, 301 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.4s, 133 PlacesBefore, 49 PlacesAfterwards, 123 TransitionsBefore, 37 TransitionsAfterwards, 3142 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 102 TotalNumberOfCompositions, 9256 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_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool a$flush_delayed; [L722] 0 int a$mem_tmp; [L723] 0 _Bool a$r_buff0_thd0; [L724] 0 _Bool a$r_buff0_thd1; [L725] 0 _Bool a$r_buff0_thd2; [L726] 0 _Bool a$r_buff0_thd3; [L727] 0 _Bool a$r_buff0_thd4; [L728] 0 _Bool a$r_buff1_thd0; [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; [L732] 0 _Bool a$r_buff1_thd4; [L733] 0 _Bool a$read_delayed; [L734] 0 int *a$read_delayed_var; [L735] 0 int a$w_buff0; [L736] 0 _Bool a$w_buff0_used; [L737] 0 int a$w_buff1; [L738] 0 _Bool a$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L869] 0 pthread_t t617; [L870] FCALL, FORK 0 pthread_create(&t617, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L871] 0 pthread_t t618; [L872] FCALL, FORK 0 pthread_create(&t618, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 a$w_buff0 = 1 [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 a$w_buff0_used = (_Bool)1 [L18] COND TRUE 1 !expression [L17] COND FALSE 1 !(0) [L17] 1 __assert_fail ("0", "mix023_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) [L757] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L758] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L759] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L760] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L761] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L873] 0 pthread_t t619; [L874] FCALL, FORK 0 pthread_create(&t619, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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] [L782] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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] [L785] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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] [L788] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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] [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L791] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L793] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L795] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L805] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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] [L808] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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=1] [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L815] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L875] 0 pthread_t t620; [L876] FCALL, FORK 0 pthread_create(&t620, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L825] 4 z = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2] [L828] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 a$flush_delayed = weak$$choice2 [L834] 4 a$mem_tmp = a [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1 [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L836] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0 [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L837] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L838] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L839] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L841] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 __unbuffered_p3_EBX = a [L843] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L843] 4 a = a$flush_delayed ? a$mem_tmp : a [L844] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=1, z=2] [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L768] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L771] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L772] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L848] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L849] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L850] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L851] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L883] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L883] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L884] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L885] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L885] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L886] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=1, z=2] [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix023_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, 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=0, x=2, y=1, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 121 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.6s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: 628 SDtfs, 886 SDslu, 1648 SDs, 0 SdLazy, 599 SolverSat, 122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6926occurred 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: 1.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 1085 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 55950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...