./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix039_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix039_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/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 c9f7f82b32bad052b8d1633459228f14721089f1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:01:42,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:42,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:42,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:42,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:42,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:42,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:42,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:42,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:42,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:42,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:42,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:42,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:42,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:42,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:42,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:42,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:42,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:42,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:42,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:42,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:42,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:42,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:42,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:42,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:42,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:42,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:42,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:42,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:42,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:42,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:42,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:42,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:42,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:42,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:42,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:42,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:42,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:42,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:42,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:42,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:42,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:01:42,258 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:42,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:42,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:42,259 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:42,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:42,260 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:42,260 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:01:42,260 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:42,260 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:42,261 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:01:42,261 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:01:42,261 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:42,261 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:01:42,262 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:01:42,262 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:01:42,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:42,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:01:42,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:01:42,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:01:42,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:42,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:01:42,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:42,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:01:42,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:01:42,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:01:42,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:01:42,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:42,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:01:42,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:42,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:42,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:42,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:42,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:42,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:42,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:01:42,267 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:01:42,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:01:42,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:01:42,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:42,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:42,269 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_a75593f9-e98f-4e67-b4a6-36da202271ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9f7f82b32bad052b8d1633459228f14721089f1 [2020-11-22 13:01:42,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:42,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:42,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:42,557 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:42,557 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:42,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/mix039_tso.opt.i [2020-11-22 13:01:42,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/data/db69dd595/820b4bcf06114f979fbe030f46c1203f/FLAG384cf4d23 [2020-11-22 13:01:43,142 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:43,142 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/sv-benchmarks/c/pthread-wmm/mix039_tso.opt.i [2020-11-22 13:01:43,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/data/db69dd595/820b4bcf06114f979fbe030f46c1203f/FLAG384cf4d23 [2020-11-22 13:01:43,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/data/db69dd595/820b4bcf06114f979fbe030f46c1203f [2020-11-22 13:01:43,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:43,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:43,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:43,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:43,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:43,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:43" (1/1) ... [2020-11-22 13:01:43,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312310e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:43, skipping insertion in model container [2020-11-22 13:01:43,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:43" (1/1) ... [2020-11-22 13:01:43,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:43,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:44,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:44,016 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:01:44,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:44,166 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:01:44,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44 WrapperNode [2020-11-22 13:01:44,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:44,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:44,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:01:44,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:01:44,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:44,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:01:44,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:01:44,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:01:44,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... [2020-11-22 13:01:44,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:01:44,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:01:44,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:01:44,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:01:44,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 13:01:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-22 13:01:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:01:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:01:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-22 13:01:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-22 13:01:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-22 13:01:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-22 13:01:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-22 13:01:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-22 13:01:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-11-22 13:01:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-11-22 13:01:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:01:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-22 13:01:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:01:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:01:44,371 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-22 13:01:46,578 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:01:46,579 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-22 13:01:46,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:46 BoogieIcfgContainer [2020-11-22 13:01:46,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:01:46,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:01:46,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:01:46,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:01:46,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:01:43" (1/3) ... [2020-11-22 13:01:46,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697809ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:46, skipping insertion in model container [2020-11-22 13:01:46,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:44" (2/3) ... [2020-11-22 13:01:46,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697809ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:46, skipping insertion in model container [2020-11-22 13:01:46,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:46" (3/3) ... [2020-11-22 13:01:46,588 INFO L111 eAbstractionObserver]: Analyzing ICFG mix039_tso.opt.i [2020-11-22 13:01:46,596 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-22 13:01:46,596 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:01:46,601 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-22 13:01:46,602 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-22 13:01:46,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,637 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,638 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,639 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,639 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,640 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,640 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,649 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,649 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,649 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,651 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,653 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,653 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,661 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,662 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,666 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,666 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,667 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,670 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,670 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:01:46,672 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-22 13:01:46,683 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-22 13:01:46,702 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:01:46,702 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:01:46,702 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:01:46,702 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:01:46,702 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:01:46,702 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:01:46,702 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:01:46,702 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:01:46,722 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-22 13:01:46,724 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 121 transitions, 262 flow [2020-11-22 13:01:46,728 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 121 transitions, 262 flow [2020-11-22 13:01:46,729 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 131 places, 121 transitions, 262 flow [2020-11-22 13:01:46,818 INFO L129 PetriNetUnfolder]: 3/117 cut-off events. [2020-11-22 13:01:46,819 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-22 13:01:46,823 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2020-11-22 13:01:46,831 INFO L116 LiptonReduction]: Number of co-enabled transitions 2712 [2020-11-22 13:01:47,120 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-11-22 13:01:47,120 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:47,370 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-11-22 13:01:47,761 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-11-22 13:01:47,876 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-22 13:01:47,936 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:47,936 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:47,978 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:01:47,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:47,981 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:47,982 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:47,989 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:01:47,991 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:47,995 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:01:47,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:47,999 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:47,999 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:48,004 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:48,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:48,083 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:48,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 13:01:48,087 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:01:48,087 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:48,162 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,162 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:48,164 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,164 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:48,167 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,167 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:48,170 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:48,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:48,204 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,205 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:48,206 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:48,209 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:48,215 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:48,215 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:48,593 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:48,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:48,595 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,595 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:48,597 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,598 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:48,600 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:48,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:48,619 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:48,620 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:48,623 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:48,623 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:48,626 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:48,626 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:49,210 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:49,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:49,212 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:49,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:49,214 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:49,214 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,215 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:49,216 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,238 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:49,238 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:49,239 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:49,240 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:49,242 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:49,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:49,244 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:49,244 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-22 13:01:49,383 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,383 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 13:01:49,385 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:01:49,386 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,432 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-11-22 13:01:49,433 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:49,435 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,435 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:49,436 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:49,438 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,438 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:49,440 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:01:49,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,441 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,442 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,447 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,698 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-11-22 13:01:49,698 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:01:49,707 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,707 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:49,709 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,709 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:49,710 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,711 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-22 13:01:49,712 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:01:49,713 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,715 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,716 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,718 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,718 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:49,761 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-11-22 13:01:49,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-22 13:01:49,764 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-11-22 13:01:49,764 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:50,189 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:01:50,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:50,191 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-11-22 13:01:50,191 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:50,192 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-11-22 13:01:50,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:50,476 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-11-22 13:01:50,476 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:50,477 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-11-22 13:01:50,478 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:50,478 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-11-22 13:01:50,478 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-22 13:01:52,160 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-22 13:01:52,392 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-11-22 13:01:52,409 INFO L131 LiptonReduction]: Checked pairs total: 6344 [2020-11-22 13:01:52,409 INFO L133 LiptonReduction]: Total number of compositions: 101 [2020-11-22 13:01:52,414 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 33 transitions, 86 flow [2020-11-22 13:01:52,622 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2858 states. [2020-11-22 13:01:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states. [2020-11-22 13:01:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 13:01:52,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:52,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:52,635 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:52,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:52,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1924166650, now seen corresponding path program 1 times [2020-11-22 13:01:52,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:52,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924608443] [2020-11-22 13:01:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:53,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924608443] [2020-11-22 13:01:53,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:53,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-22 13:01:53,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821096947] [2020-11-22 13:01:53,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:01:53,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:53,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:01:53,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:53,040 INFO L87 Difference]: Start difference. First operand 2858 states. Second operand 3 states. [2020-11-22 13:01:53,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:53,156 INFO L93 Difference]: Finished difference Result 2474 states and 9536 transitions. [2020-11-22 13:01:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:53,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-22 13:01:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:53,205 INFO L225 Difference]: With dead ends: 2474 [2020-11-22 13:01:53,205 INFO L226 Difference]: Without dead ends: 2090 [2020-11-22 13:01:53,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:53,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2020-11-22 13:01:53,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 2090. [2020-11-22 13:01:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2020-11-22 13:01:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 7968 transitions. [2020-11-22 13:01:53,402 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 7968 transitions. Word has length 9 [2020-11-22 13:01:53,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:53,403 INFO L481 AbstractCegarLoop]: Abstraction has 2090 states and 7968 transitions. [2020-11-22 13:01:53,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:01:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 7968 transitions. [2020-11-22 13:01:53,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-22 13:01:53,414 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:53,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:53,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:01:53,415 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:53,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:53,418 INFO L82 PathProgramCache]: Analyzing trace with hash 2082123218, now seen corresponding path program 1 times [2020-11-22 13:01:53,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:53,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304563359] [2020-11-22 13:01:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:53,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304563359] [2020-11-22 13:01:53,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:53,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:01:53,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244175705] [2020-11-22 13:01:53,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:01:53,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:53,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:01:53,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:53,555 INFO L87 Difference]: Start difference. First operand 2090 states and 7968 transitions. Second operand 4 states. [2020-11-22 13:01:53,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:53,627 INFO L93 Difference]: Finished difference Result 2378 states and 8760 transitions. [2020-11-22 13:01:53,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:01:53,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-22 13:01:53,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:53,649 INFO L225 Difference]: With dead ends: 2378 [2020-11-22 13:01:53,650 INFO L226 Difference]: Without dead ends: 1994 [2020-11-22 13:01:53,651 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 13:01:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2020-11-22 13:01:53,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1994. [2020-11-22 13:01:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2020-11-22 13:01:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 7528 transitions. [2020-11-22 13:01:53,802 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 7528 transitions. Word has length 12 [2020-11-22 13:01:53,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:53,802 INFO L481 AbstractCegarLoop]: Abstraction has 1994 states and 7528 transitions. [2020-11-22 13:01:53,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:01:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 7528 transitions. [2020-11-22 13:01:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 13:01:53,807 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:53,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:53,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:01:53,808 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:53,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:53,809 INFO L82 PathProgramCache]: Analyzing trace with hash 450776517, now seen corresponding path program 1 times [2020-11-22 13:01:53,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:53,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132427426] [2020-11-22 13:01:53,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:53,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132427426] [2020-11-22 13:01:53,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:53,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:01:53,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483206108] [2020-11-22 13:01:53,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:01:53,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:53,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:01:53,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:53,991 INFO L87 Difference]: Start difference. First operand 1994 states and 7528 transitions. Second operand 4 states. [2020-11-22 13:01:54,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:54,062 INFO L93 Difference]: Finished difference Result 2106 states and 7716 transitions. [2020-11-22 13:01:54,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:01:54,067 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-22 13:01:54,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:54,087 INFO L225 Difference]: With dead ends: 2106 [2020-11-22 13:01:54,088 INFO L226 Difference]: Without dead ends: 1770 [2020-11-22 13:01:54,088 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 13:01:54,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2020-11-22 13:01:54,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1770. [2020-11-22 13:01:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1770 states. [2020-11-22 13:01:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 6592 transitions. [2020-11-22 13:01:54,183 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 6592 transitions. Word has length 13 [2020-11-22 13:01:54,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:54,183 INFO L481 AbstractCegarLoop]: Abstraction has 1770 states and 6592 transitions. [2020-11-22 13:01:54,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:01:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 6592 transitions. [2020-11-22 13:01:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-22 13:01:54,188 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:54,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:54,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-22 13:01:54,188 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:54,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:54,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1342589916, now seen corresponding path program 1 times [2020-11-22 13:01:54,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:54,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931018010] [2020-11-22 13:01:54,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:54,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931018010] [2020-11-22 13:01:54,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:54,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:01:54,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834053562] [2020-11-22 13:01:54,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:01:54,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:54,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:01:54,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:54,304 INFO L87 Difference]: Start difference. First operand 1770 states and 6592 transitions. Second operand 4 states. [2020-11-22 13:01:54,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:54,379 INFO L93 Difference]: Finished difference Result 1758 states and 5931 transitions. [2020-11-22 13:01:54,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:01:54,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-11-22 13:01:54,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:54,393 INFO L225 Difference]: With dead ends: 1758 [2020-11-22 13:01:54,394 INFO L226 Difference]: Without dead ends: 1374 [2020-11-22 13:01:54,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:01:54,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-11-22 13:01:54,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1374. [2020-11-22 13:01:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1374 states. [2020-11-22 13:01:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 4612 transitions. [2020-11-22 13:01:54,455 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 4612 transitions. Word has length 15 [2020-11-22 13:01:54,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:54,455 INFO L481 AbstractCegarLoop]: Abstraction has 1374 states and 4612 transitions. [2020-11-22 13:01:54,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:01:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 4612 transitions. [2020-11-22 13:01:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:01:54,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:54,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:54,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-22 13:01:54,460 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:54,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:54,460 INFO L82 PathProgramCache]: Analyzing trace with hash 687723432, now seen corresponding path program 1 times [2020-11-22 13:01:54,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:54,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283975079] [2020-11-22 13:01:54,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:54,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283975079] [2020-11-22 13:01:54,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:54,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:01:54,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612032741] [2020-11-22 13:01:54,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:01:54,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:54,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:01:54,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:01:54,545 INFO L87 Difference]: Start difference. First operand 1374 states and 4612 transitions. Second operand 4 states. [2020-11-22 13:01:54,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:54,610 INFO L93 Difference]: Finished difference Result 2038 states and 6584 transitions. [2020-11-22 13:01:54,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:01:54,611 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:01:54,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:54,624 INFO L225 Difference]: With dead ends: 2038 [2020-11-22 13:01:54,624 INFO L226 Difference]: Without dead ends: 1448 [2020-11-22 13:01:54,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:01:54,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2020-11-22 13:01:54,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1328. [2020-11-22 13:01:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1328 states. [2020-11-22 13:01:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 4266 transitions. [2020-11-22 13:01:54,711 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 4266 transitions. Word has length 17 [2020-11-22 13:01:54,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:54,712 INFO L481 AbstractCegarLoop]: Abstraction has 1328 states and 4266 transitions. [2020-11-22 13:01:54,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:01:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 4266 transitions. [2020-11-22 13:01:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:01:54,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:54,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:54,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-22 13:01:54,716 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:54,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:54,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1593164205, now seen corresponding path program 1 times [2020-11-22 13:01:54,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:54,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763907725] [2020-11-22 13:01:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:54,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763907725] [2020-11-22 13:01:54,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:54,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-22 13:01:54,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309104031] [2020-11-22 13:01:54,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:01:54,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:54,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:01:54,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:01:54,845 INFO L87 Difference]: Start difference. First operand 1328 states and 4266 transitions. Second operand 5 states. [2020-11-22 13:01:54,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:54,927 INFO L93 Difference]: Finished difference Result 1091 states and 3148 transitions. [2020-11-22 13:01:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:01:54,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-22 13:01:54,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:54,935 INFO L225 Difference]: With dead ends: 1091 [2020-11-22 13:01:54,935 INFO L226 Difference]: Without dead ends: 842 [2020-11-22 13:01:54,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:01:54,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-11-22 13:01:54,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2020-11-22 13:01:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-11-22 13:01:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 2384 transitions. [2020-11-22 13:01:54,967 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 2384 transitions. Word has length 17 [2020-11-22 13:01:54,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:54,967 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 2384 transitions. [2020-11-22 13:01:54,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:01:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2384 transitions. [2020-11-22 13:01:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-22 13:01:54,970 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:54,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:54,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-22 13:01:54,970 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:54,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:54,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1949504145, now seen corresponding path program 1 times [2020-11-22 13:01:54,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:54,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663358320] [2020-11-22 13:01:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:55,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663358320] [2020-11-22 13:01:55,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:55,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-22 13:01:55,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131938108] [2020-11-22 13:01:55,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:01:55,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:55,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:01:55,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:01:55,133 INFO L87 Difference]: Start difference. First operand 842 states and 2384 transitions. Second operand 6 states. [2020-11-22 13:01:55,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:55,208 INFO L93 Difference]: Finished difference Result 695 states and 1921 transitions. [2020-11-22 13:01:55,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:01:55,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-11-22 13:01:55,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:55,214 INFO L225 Difference]: With dead ends: 695 [2020-11-22 13:01:55,214 INFO L226 Difference]: Without dead ends: 608 [2020-11-22 13:01:55,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:01:55,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-11-22 13:01:55,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2020-11-22 13:01:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2020-11-22 13:01:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 1702 transitions. [2020-11-22 13:01:55,235 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 1702 transitions. Word has length 20 [2020-11-22 13:01:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:55,235 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 1702 transitions. [2020-11-22 13:01:55,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:01:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1702 transitions. [2020-11-22 13:01:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:01:55,238 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:55,238 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] [2020-11-22 13:01:55,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-22 13:01:55,238 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:55,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:55,239 INFO L82 PathProgramCache]: Analyzing trace with hash 767406690, now seen corresponding path program 1 times [2020-11-22 13:01:55,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:55,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952088252] [2020-11-22 13:01:55,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:55,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952088252] [2020-11-22 13:01:55,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:55,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-22 13:01:55,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653697777] [2020-11-22 13:01:55,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:01:55,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:55,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:01:55,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:01:55,339 INFO L87 Difference]: Start difference. First operand 608 states and 1702 transitions. Second operand 5 states. [2020-11-22 13:01:55,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:55,381 INFO L93 Difference]: Finished difference Result 849 states and 2281 transitions. [2020-11-22 13:01:55,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:01:55,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 13:01:55,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:55,386 INFO L225 Difference]: With dead ends: 849 [2020-11-22 13:01:55,386 INFO L226 Difference]: Without dead ends: 564 [2020-11-22 13:01:55,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:01:55,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-11-22 13:01:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-11-22 13:01:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-22 13:01:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1436 transitions. [2020-11-22 13:01:55,420 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1436 transitions. Word has length 23 [2020-11-22 13:01:55,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:55,422 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 1436 transitions. [2020-11-22 13:01:55,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:01:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1436 transitions. [2020-11-22 13:01:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:01:55,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:55,424 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] [2020-11-22 13:01:55,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-22 13:01:55,424 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:55,424 INFO L82 PathProgramCache]: Analyzing trace with hash 541331565, now seen corresponding path program 1 times [2020-11-22 13:01:55,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:55,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720243925] [2020-11-22 13:01:55,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:55,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720243925] [2020-11-22 13:01:55,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:55,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-22 13:01:55,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530722427] [2020-11-22 13:01:55,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:01:55,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:55,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:01:55,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:01:55,527 INFO L87 Difference]: Start difference. First operand 560 states and 1436 transitions. Second operand 5 states. [2020-11-22 13:01:55,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:55,564 INFO L93 Difference]: Finished difference Result 733 states and 1821 transitions. [2020-11-22 13:01:55,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:01:55,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 13:01:55,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:55,568 INFO L225 Difference]: With dead ends: 733 [2020-11-22 13:01:55,568 INFO L226 Difference]: Without dead ends: 440 [2020-11-22 13:01:55,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:01:55,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-11-22 13:01:55,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 434. [2020-11-22 13:01:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-11-22 13:01:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 1005 transitions. [2020-11-22 13:01:55,581 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 1005 transitions. Word has length 23 [2020-11-22 13:01:55,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:55,581 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 1005 transitions. [2020-11-22 13:01:55,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:01:55,581 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1005 transitions. [2020-11-22 13:01:55,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 13:01:55,582 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:55,583 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] [2020-11-22 13:01:55,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-22 13:01:55,583 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:55,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:55,583 INFO L82 PathProgramCache]: Analyzing trace with hash 475062600, now seen corresponding path program 2 times [2020-11-22 13:01:55,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:55,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291804359] [2020-11-22 13:01:55,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:55,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291804359] [2020-11-22 13:01:55,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:55,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-22 13:01:55,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474798665] [2020-11-22 13:01:55,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-22 13:01:55,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:55,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-22 13:01:55,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:01:55,713 INFO L87 Difference]: Start difference. First operand 434 states and 1005 transitions. Second operand 7 states. [2020-11-22 13:01:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:55,790 INFO L93 Difference]: Finished difference Result 399 states and 936 transitions. [2020-11-22 13:01:55,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:01:55,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-22 13:01:55,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:55,792 INFO L225 Difference]: With dead ends: 399 [2020-11-22 13:01:55,792 INFO L226 Difference]: Without dead ends: 81 [2020-11-22 13:01:55,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:01:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-11-22 13:01:55,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-11-22 13:01:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-22 13:01:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 167 transitions. [2020-11-22 13:01:55,795 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 167 transitions. Word has length 23 [2020-11-22 13:01:55,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:55,795 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 167 transitions. [2020-11-22 13:01:55,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-22 13:01:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 167 transitions. [2020-11-22 13:01:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:01:55,796 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:55,796 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 13:01:55,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-22 13:01:55,796 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:55,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:55,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1524356202, now seen corresponding path program 1 times [2020-11-22 13:01:55,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:55,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326082711] [2020-11-22 13:01:55,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:55,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326082711] [2020-11-22 13:01:55,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:55,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-22 13:01:55,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546283446] [2020-11-22 13:01:55,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:01:55,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:55,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:01:55,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:01:55,955 INFO L87 Difference]: Start difference. First operand 81 states and 167 transitions. Second operand 6 states. [2020-11-22 13:01:56,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:56,033 INFO L93 Difference]: Finished difference Result 100 states and 202 transitions. [2020-11-22 13:01:56,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 13:01:56,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-11-22 13:01:56,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:56,034 INFO L225 Difference]: With dead ends: 100 [2020-11-22 13:01:56,034 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 13:01:56,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:01:56,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 13:01:56,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 13:01:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 13:01:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 91 transitions. [2020-11-22 13:01:56,036 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 91 transitions. Word has length 26 [2020-11-22 13:01:56,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:56,037 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 91 transitions. [2020-11-22 13:01:56,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:01:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2020-11-22 13:01:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:01:56,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:56,037 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 13:01:56,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-22 13:01:56,038 INFO L429 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:56,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:56,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1537437168, now seen corresponding path program 2 times [2020-11-22 13:01:56,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:56,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902474150] [2020-11-22 13:01:56,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:56,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:56,117 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:56,151 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:01:56,164 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:01:56,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-22 13:01:56,197 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,197 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [811] [2020-11-22 13:01:56,200 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,200 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,201 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,201 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,201 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,201 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,202 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,202 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,202 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,202 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,202 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,202 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,202 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,202 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,203 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,203 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,203 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,203 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,203 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,203 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,204 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,204 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,204 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,204 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,204 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,204 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,209 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,209 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,209 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,209 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,210 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,210 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,210 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,211 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,211 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,211 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,211 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:01:56 BasicIcfg [2020-11-22 13:01:56,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:01:56,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:01:56,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:01:56,325 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:01:56,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:46" (3/4) ... [2020-11-22 13:01:56,326 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 13:01:56,343 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,343 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [811] [2020-11-22 13:01:56,343 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,344 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,344 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,345 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,345 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,345 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,345 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,345 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,345 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,345 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,345 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,345 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,345 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,345 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,346 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,346 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,346 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,346 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,346 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,346 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-11-22 13:01:56,347 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,347 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 13:01:56,347 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-11-22 13:01:56,469 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a75593f9-e98f-4e67-b4a6-36da202271ad/bin/utaipan/witness.graphml [2020-11-22 13:01:56,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:01:56,471 INFO L168 Benchmark]: Toolchain (without parser) took 13035.51 ms. Allocated memory was 83.9 MB in the beginning and 302.0 MB in the end (delta: 218.1 MB). Free memory was 48.3 MB in the beginning and 195.2 MB in the end (delta: -146.9 MB). Peak memory consumption was 69.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:56,471 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:56,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.93 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.2 MB in the beginning and 50.0 MB in the end (delta: -1.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:56,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.25 ms. Allocated memory is still 100.7 MB. Free memory was 50.0 MB in the beginning and 47.5 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:56,472 INFO L168 Benchmark]: Boogie Preprocessor took 58.42 ms. Allocated memory is still 100.7 MB. Free memory was 47.5 MB in the beginning and 45.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:56,473 INFO L168 Benchmark]: RCFGBuilder took 2299.51 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 49.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:56,473 INFO L168 Benchmark]: TraceAbstraction took 9741.29 ms. Allocated memory was 121.6 MB in the beginning and 302.0 MB in the end (delta: 180.4 MB). Free memory was 49.4 MB in the beginning and 218.3 MB in the end (delta: -168.9 MB). Peak memory consumption was 108.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:56,473 INFO L168 Benchmark]: Witness Printer took 145.42 ms. Allocated memory is still 302.0 MB. Free memory was 218.3 MB in the beginning and 195.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:56,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 726.93 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.2 MB in the beginning and 50.0 MB in the end (delta: -1.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.25 ms. Allocated memory is still 100.7 MB. Free memory was 50.0 MB in the beginning and 47.5 MB in the end (delta: 2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.42 ms. Allocated memory is still 100.7 MB. Free memory was 47.5 MB in the beginning and 45.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2299.51 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 49.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9741.29 ms. Allocated memory was 121.6 MB in the beginning and 302.0 MB in the end (delta: 180.4 MB). Free memory was 49.4 MB in the beginning and 218.3 MB in the end (delta: -168.9 MB). Peak memory consumption was 108.8 MB. Max. memory is 16.1 GB. * Witness Printer took 145.42 ms. Allocated memory is still 302.0 MB. Free memory was 218.3 MB in the beginning and 195.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1799 VarBasedMoverChecksPositive, 76 VarBasedMoverChecksNegative, 35 SemBasedMoverChecksPositive, 41 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.4s, 228 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.6s, 131 PlacesBefore, 45 PlacesAfterwards, 121 TransitionsBefore, 33 TransitionsAfterwards, 2712 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 101 TotalNumberOfCompositions, 6344 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_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L856] 0 pthread_t t1053; [L857] FCALL, FORK 0 pthread_create(&t1053, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t1054; [L859] FCALL, FORK 0 pthread_create(&t1054, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t1055; [L861] FCALL, FORK 0 pthread_create(&t1055, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L862] 0 pthread_t t1056; [L863] FCALL, FORK 0 pthread_create(&t1056, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L812] 4 z$w_buff1 = z$w_buff0 [L813] 4 z$w_buff0 = 1 [L814] 4 z$w_buff1_used = z$w_buff0_used [L815] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L817] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L818] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L819] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L820] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L821] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L822] 4 z$r_buff0_thd4 = (_Bool)1 [L825] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L828] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L769] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; [L784] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L788] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L789] 3 z$flush_delayed = weak$$choice2 [L790] 3 z$mem_tmp = z [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L791] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L792] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L792] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L793] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L794] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L794] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L795] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L796] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L796] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L797] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L797] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L797] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L797] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 __unbuffered_p2_EAX = z [L799] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L799] 3 z = z$flush_delayed ? z$mem_tmp : z [L800] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L805] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 3 return 0; [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L834] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L835] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L836] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L837] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L837] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L838] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L838] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L841] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L843] 4 return 0; [L865] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L870] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L871] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L872] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L872] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L873] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L873] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L876] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L17] COND FALSE 0 !(0) [L17] 0 __assert_fail ("0", "mix039_tso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 119 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 435 SDtfs, 422 SDslu, 821 SDs, 0 SdLazy, 227 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2858occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 130 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 11595 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...