./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix033_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix033_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/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 25a848dab1dbb076c6626548617ae5774f227259 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-7b2dab5 [2020-12-09 10:00:37,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:00:37,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:00:37,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:00:37,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:00:37,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:00:37,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:00:37,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:00:37,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:00:37,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:00:37,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:00:37,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:00:37,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:00:37,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:00:37,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:00:37,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:00:37,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:00:37,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:00:37,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:00:37,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:00:37,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:00:37,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:00:37,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:00:37,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:00:37,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:00:37,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:00:37,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:00:37,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:00:37,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:00:37,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:00:37,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:00:37,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:00:37,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:00:37,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:00:37,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:00:37,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:00:37,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:00:37,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:00:37,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:00:37,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:00:37,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:00:37,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 10:00:37,250 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:00:37,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:00:37,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:00:37,251 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:00:37,252 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:00:37,252 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:00:37,252 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:00:37,252 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:00:37,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:00:37,253 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:00:37,253 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:00:37,253 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:00:37,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:00:37,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:00:37,254 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:00:37,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:00:37,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:00:37,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:00:37,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:00:37,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:00:37,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:00:37,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:00:37,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:00:37,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:00:37,255 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:00:37,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:00:37,255 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:00:37,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:00:37,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:00:37,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:00:37,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:00:37,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:00:37,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:00:37,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:00:37,256 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:00:37,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:00:37,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:00:37,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:00:37,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:00:37,257 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_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25a848dab1dbb076c6626548617ae5774f227259 [2020-12-09 10:00:37,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:00:37,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:00:37,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:00:37,454 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:00:37,455 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:00:37,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/../../sv-benchmarks/c/pthread-wmm/mix033_pso.opt.i [2020-12-09 10:00:37,495 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/data/a3b3fba68/95e3c3ded8ff499b8b7684b5fb4d310c/FLAGe36504c9a [2020-12-09 10:00:37,915 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:00:37,916 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/sv-benchmarks/c/pthread-wmm/mix033_pso.opt.i [2020-12-09 10:00:37,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/data/a3b3fba68/95e3c3ded8ff499b8b7684b5fb4d310c/FLAGe36504c9a [2020-12-09 10:00:37,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/data/a3b3fba68/95e3c3ded8ff499b8b7684b5fb4d310c [2020-12-09 10:00:37,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:00:37,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:00:37,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:00:37,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:00:37,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:00:37,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:00:37" (1/1) ... [2020-12-09 10:00:37,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d80abea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:37, skipping insertion in model container [2020-12-09 10:00:37,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:00:37" (1/1) ... [2020-12-09 10:00:37,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:00:37,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:00:38,105 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/sv-benchmarks/c/pthread-wmm/mix033_pso.opt.i[948,961] [2020-12-09 10:00:38,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:00:38,214 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:00:38,222 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/sv-benchmarks/c/pthread-wmm/mix033_pso.opt.i[948,961] [2020-12-09 10:00:38,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:00:38,300 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:00:38,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38 WrapperNode [2020-12-09 10:00:38,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:00:38,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:00:38,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:00:38,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:00:38,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:00:38,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:00:38,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:00:38,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:00:38,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... [2020-12-09 10:00:38,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:00:38,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:00:38,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:00:38,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:00:38,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/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 [2020-12-09 10:00:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 10:00:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-09 10:00:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:00:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 10:00:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-12-09 10:00:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-12-09 10:00:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-12-09 10:00:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-12-09 10:00:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-12-09 10:00:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-12-09 10:00:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 10:00:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-09 10:00:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:00:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:00:38,432 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-09 10:00:39,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:00:39,624 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-09 10:00:39,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:00:39 BoogieIcfgContainer [2020-12-09 10:00:39,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:00:39,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:00:39,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:00:39,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:00:39,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:00:37" (1/3) ... [2020-12-09 10:00:39,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2be464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:00:39, skipping insertion in model container [2020-12-09 10:00:39,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:00:38" (2/3) ... [2020-12-09 10:00:39,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2be464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:00:39, skipping insertion in model container [2020-12-09 10:00:39,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:00:39" (3/3) ... [2020-12-09 10:00:39,631 INFO L111 eAbstractionObserver]: Analyzing ICFG mix033_pso.opt.i [2020-12-09 10:00:39,641 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-09 10:00:39,641 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:00:39,644 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-09 10:00:39,644 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-09 10:00:39,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,670 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,670 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,671 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,671 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,671 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,674 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,675 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,682 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,684 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,685 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,690 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,693 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,693 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,694 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,694 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 10:00:39,695 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-12-09 10:00:39,702 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-09 10:00:39,716 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:00:39,716 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:00:39,716 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:00:39,716 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:00:39,716 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:00:39,717 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:00:39,717 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:00:39,717 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:00:39,725 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-09 10:00:39,726 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 104 transitions, 223 flow [2020-12-09 10:00:39,728 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 104 transitions, 223 flow [2020-12-09 10:00:39,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 223 flow [2020-12-09 10:00:39,761 INFO L129 PetriNetUnfolder]: 2/101 cut-off events. [2020-12-09 10:00:39,761 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-12-09 10:00:39,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 2/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-12-09 10:00:39,767 INFO L116 LiptonReduction]: Number of co-enabled transitions 1832 [2020-12-09 10:00:40,078 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-12-09 10:00:40,466 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2020-12-09 10:00:40,569 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-09 10:00:41,261 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-09 10:00:41,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 10:00:41,264 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-09 10:00:41,264 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:41,266 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-12-09 10:00:41,267 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:41,268 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-09 10:00:41,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:41,271 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,273 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,275 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,275 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,336 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,336 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 10:00:41,339 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,500 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2020-12-09 10:00:41,501 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,502 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 2, 1] term [2020-12-09 10:00:41,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,503 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term [2020-12-09 10:00:41,503 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,621 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 10:00:41,625 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,666 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-09 10:00:41,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 10:00:41,667 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-09 10:00:41,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:41,670 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-12-09 10:00:41,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:41,671 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-09 10:00:41,671 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:41,673 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,673 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,674 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:41,675 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:41,675 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:42,009 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,009 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 10:00:42,011 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 2, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 10:00:42,038 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-09 10:00:42,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 10:00:42,039 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-09 10:00:42,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:42,040 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-12-09 10:00:42,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:42,041 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-09 10:00:42,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:42,043 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,043 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:42,044 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,045 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:42,045 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,046 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:42,568 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-12-09 10:00:42,569 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 10:00:42,570 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-09 10:00:42,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:42,571 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-12-09 10:00:42,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:42,572 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-12-09 10:00:42,572 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 10:00:42,573 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,574 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:42,575 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:42,576 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,576 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 10:00:42,619 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 10:00:42,621 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 2, 4, 3, 4, 3, 2, 1] term [2020-12-09 10:00:42,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 10:00:43,572 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-09 10:00:43,674 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-09 10:00:43,995 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2020-12-09 10:00:44,147 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-12-09 10:00:44,488 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2020-12-09 10:00:44,662 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-12-09 10:00:44,666 INFO L131 LiptonReduction]: Checked pairs total: 4594 [2020-12-09 10:00:44,666 INFO L133 LiptonReduction]: Total number of compositions: 90 [2020-12-09 10:00:44,670 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow [2020-12-09 10:00:44,703 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 890 states. [2020-12-09 10:00:44,705 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-12-09 10:00:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 10:00:44,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:44,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:44,709 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:44,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:44,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2097278715, now seen corresponding path program 1 times [2020-12-09 10:00:44,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:44,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203260397] [2020-12-09 10:00:44,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:44,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203260397] [2020-12-09 10:00:44,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:44,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-09 10:00:44,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886166174] [2020-12-09 10:00:44,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:00:44,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:44,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:00:44,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:00:44,892 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 3 states. [2020-12-09 10:00:44,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:44,944 INFO L93 Difference]: Finished difference Result 770 states and 2434 transitions. [2020-12-09 10:00:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:00:44,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-09 10:00:44,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:44,961 INFO L225 Difference]: With dead ends: 770 [2020-12-09 10:00:44,961 INFO L226 Difference]: Without dead ends: 650 [2020-12-09 10:00:44,962 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 [2020-12-09 10:00:44,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-12-09 10:00:45,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2020-12-09 10:00:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-12-09 10:00:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 2028 transitions. [2020-12-09 10:00:45,025 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 2028 transitions. Word has length 7 [2020-12-09 10:00:45,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:45,025 INFO L481 AbstractCegarLoop]: Abstraction has 650 states and 2028 transitions. [2020-12-09 10:00:45,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:00:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 2028 transitions. [2020-12-09 10:00:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 10:00:45,027 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:45,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:45,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 10:00:45,028 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:45,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:45,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1143497266, now seen corresponding path program 1 times [2020-12-09 10:00:45,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:45,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522040492] [2020-12-09 10:00:45,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:45,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522040492] [2020-12-09 10:00:45,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:45,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:00:45,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499687815] [2020-12-09 10:00:45,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:00:45,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:45,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:00:45,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:00:45,105 INFO L87 Difference]: Start difference. First operand 650 states and 2028 transitions. Second operand 4 states. [2020-12-09 10:00:45,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:45,130 INFO L93 Difference]: Finished difference Result 690 states and 2070 transitions. [2020-12-09 10:00:45,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:00:45,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-09 10:00:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:45,136 INFO L225 Difference]: With dead ends: 690 [2020-12-09 10:00:45,136 INFO L226 Difference]: Without dead ends: 570 [2020-12-09 10:00:45,137 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 [2020-12-09 10:00:45,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-12-09 10:00:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2020-12-09 10:00:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-12-09 10:00:45,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 1744 transitions. [2020-12-09 10:00:45,162 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 1744 transitions. Word has length 10 [2020-12-09 10:00:45,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:45,162 INFO L481 AbstractCegarLoop]: Abstraction has 570 states and 1744 transitions. [2020-12-09 10:00:45,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:00:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1744 transitions. [2020-12-09 10:00:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 10:00:45,165 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:45,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:45,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 10:00:45,165 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:45,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:45,166 INFO L82 PathProgramCache]: Analyzing trace with hash -611076849, now seen corresponding path program 1 times [2020-12-09 10:00:45,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:45,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367838098] [2020-12-09 10:00:45,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:45,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367838098] [2020-12-09 10:00:45,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:45,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:00:45,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302894442] [2020-12-09 10:00:45,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:00:45,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:45,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:00:45,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:00:45,235 INFO L87 Difference]: Start difference. First operand 570 states and 1744 transitions. Second operand 4 states. [2020-12-09 10:00:45,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:45,251 INFO L93 Difference]: Finished difference Result 586 states and 1736 transitions. [2020-12-09 10:00:45,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:00:45,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-09 10:00:45,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:45,255 INFO L225 Difference]: With dead ends: 586 [2020-12-09 10:00:45,255 INFO L226 Difference]: Without dead ends: 506 [2020-12-09 10:00:45,255 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 [2020-12-09 10:00:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2020-12-09 10:00:45,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2020-12-09 10:00:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-12-09 10:00:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 1520 transitions. [2020-12-09 10:00:45,267 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 1520 transitions. Word has length 12 [2020-12-09 10:00:45,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:45,267 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 1520 transitions. [2020-12-09 10:00:45,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:00:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1520 transitions. [2020-12-09 10:00:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 10:00:45,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:45,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:45,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 10:00:45,269 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:45,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:45,270 INFO L82 PathProgramCache]: Analyzing trace with hash -756153633, now seen corresponding path program 1 times [2020-12-09 10:00:45,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:45,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477783130] [2020-12-09 10:00:45,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:45,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477783130] [2020-12-09 10:00:45,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:45,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:00:45,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773689335] [2020-12-09 10:00:45,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:00:45,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:45,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:00:45,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:00:45,324 INFO L87 Difference]: Start difference. First operand 506 states and 1520 transitions. Second operand 4 states. [2020-12-09 10:00:45,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:45,347 INFO L93 Difference]: Finished difference Result 470 states and 1242 transitions. [2020-12-09 10:00:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:00:45,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-12-09 10:00:45,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:45,350 INFO L225 Difference]: With dead ends: 470 [2020-12-09 10:00:45,350 INFO L226 Difference]: Without dead ends: 350 [2020-12-09 10:00:45,350 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 [2020-12-09 10:00:45,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-12-09 10:00:45,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2020-12-09 10:00:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-12-09 10:00:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 896 transitions. [2020-12-09 10:00:45,357 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 896 transitions. Word has length 14 [2020-12-09 10:00:45,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:45,358 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 896 transitions. [2020-12-09 10:00:45,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:00:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 896 transitions. [2020-12-09 10:00:45,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 10:00:45,358 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:45,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:45,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 10:00:45,359 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:45,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:45,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1215843343, now seen corresponding path program 1 times [2020-12-09 10:00:45,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:45,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273517575] [2020-12-09 10:00:45,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:45,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273517575] [2020-12-09 10:00:45,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:45,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:00:45,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633541846] [2020-12-09 10:00:45,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:00:45,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:45,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:00:45,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:00:45,444 INFO L87 Difference]: Start difference. First operand 350 states and 896 transitions. Second operand 5 states. [2020-12-09 10:00:45,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:45,494 INFO L93 Difference]: Finished difference Result 274 states and 641 transitions. [2020-12-09 10:00:45,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 10:00:45,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-12-09 10:00:45,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:45,497 INFO L225 Difference]: With dead ends: 274 [2020-12-09 10:00:45,497 INFO L226 Difference]: Without dead ends: 214 [2020-12-09 10:00:45,497 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 [2020-12-09 10:00:45,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-12-09 10:00:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2020-12-09 10:00:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-12-09 10:00:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 488 transitions. [2020-12-09 10:00:45,504 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 488 transitions. Word has length 16 [2020-12-09 10:00:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:45,504 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 488 transitions. [2020-12-09 10:00:45,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:00:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 488 transitions. [2020-12-09 10:00:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 10:00:45,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:45,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:45,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 10:00:45,506 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:45,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:45,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1863855545, now seen corresponding path program 1 times [2020-12-09 10:00:45,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:45,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864501011] [2020-12-09 10:00:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:45,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864501011] [2020-12-09 10:00:45,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:45,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:00:45,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563229549] [2020-12-09 10:00:45,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:00:45,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:45,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:00:45,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:00:45,592 INFO L87 Difference]: Start difference. First operand 214 states and 488 transitions. Second operand 5 states. [2020-12-09 10:00:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:45,623 INFO L93 Difference]: Finished difference Result 309 states and 679 transitions. [2020-12-09 10:00:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:00:45,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2020-12-09 10:00:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:45,625 INFO L225 Difference]: With dead ends: 309 [2020-12-09 10:00:45,625 INFO L226 Difference]: Without dead ends: 218 [2020-12-09 10:00:45,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:00:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-12-09 10:00:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2020-12-09 10:00:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-12-09 10:00:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 454 transitions. [2020-12-09 10:00:45,632 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 454 transitions. Word has length 19 [2020-12-09 10:00:45,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:45,632 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 454 transitions. [2020-12-09 10:00:45,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:00:45,632 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 454 transitions. [2020-12-09 10:00:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 10:00:45,633 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:45,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:45,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 10:00:45,634 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:45,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:45,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1215383528, now seen corresponding path program 1 times [2020-12-09 10:00:45,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:45,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754758873] [2020-12-09 10:00:45,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:45,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754758873] [2020-12-09 10:00:45,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:45,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:00:45,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594968707] [2020-12-09 10:00:45,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:00:45,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:45,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:00:45,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:00:45,733 INFO L87 Difference]: Start difference. First operand 214 states and 454 transitions. Second operand 6 states. [2020-12-09 10:00:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:45,775 INFO L93 Difference]: Finished difference Result 187 states and 399 transitions. [2020-12-09 10:00:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 10:00:45,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-12-09 10:00:45,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:45,777 INFO L225 Difference]: With dead ends: 187 [2020-12-09 10:00:45,777 INFO L226 Difference]: Without dead ends: 110 [2020-12-09 10:00:45,777 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 [2020-12-09 10:00:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-09 10:00:45,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-09 10:00:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-09 10:00:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 224 transitions. [2020-12-09 10:00:45,781 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 224 transitions. Word has length 19 [2020-12-09 10:00:45,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:45,781 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 224 transitions. [2020-12-09 10:00:45,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:00:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 224 transitions. [2020-12-09 10:00:45,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 10:00:45,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:45,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:45,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 10:00:45,782 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:45,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:45,783 INFO L82 PathProgramCache]: Analyzing trace with hash -578203748, now seen corresponding path program 1 times [2020-12-09 10:00:45,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:45,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233649090] [2020-12-09 10:00:45,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:45,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233649090] [2020-12-09 10:00:45,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:45,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 10:00:45,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325512978] [2020-12-09 10:00:45,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 10:00:45,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:45,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 10:00:45,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:00:45,906 INFO L87 Difference]: Start difference. First operand 110 states and 224 transitions. Second operand 7 states. [2020-12-09 10:00:46,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:46,033 INFO L93 Difference]: Finished difference Result 172 states and 351 transitions. [2020-12-09 10:00:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 10:00:46,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-12-09 10:00:46,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:46,034 INFO L225 Difference]: With dead ends: 172 [2020-12-09 10:00:46,034 INFO L226 Difference]: Without dead ends: 125 [2020-12-09 10:00:46,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-09 10:00:46,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-09 10:00:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 90. [2020-12-09 10:00:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-09 10:00:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 174 transitions. [2020-12-09 10:00:46,038 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 174 transitions. Word has length 22 [2020-12-09 10:00:46,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:46,039 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 174 transitions. [2020-12-09 10:00:46,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 10:00:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 174 transitions. [2020-12-09 10:00:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 10:00:46,039 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:46,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:46,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 10:00:46,040 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:46,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:46,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1419793472, now seen corresponding path program 2 times [2020-12-09 10:00:46,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:46,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593688394] [2020-12-09 10:00:46,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:46,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593688394] [2020-12-09 10:00:46,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:46,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:00:46,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398748969] [2020-12-09 10:00:46,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:00:46,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:46,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:00:46,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:00:46,129 INFO L87 Difference]: Start difference. First operand 90 states and 174 transitions. Second operand 6 states. [2020-12-09 10:00:46,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:46,184 INFO L93 Difference]: Finished difference Result 128 states and 246 transitions. [2020-12-09 10:00:46,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 10:00:46,185 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-09 10:00:46,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:46,185 INFO L225 Difference]: With dead ends: 128 [2020-12-09 10:00:46,186 INFO L226 Difference]: Without dead ends: 49 [2020-12-09 10:00:46,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-09 10:00:46,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-09 10:00:46,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-09 10:00:46,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-09 10:00:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 82 transitions. [2020-12-09 10:00:46,188 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 82 transitions. Word has length 22 [2020-12-09 10:00:46,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:46,188 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 82 transitions. [2020-12-09 10:00:46,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:00:46,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2020-12-09 10:00:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 10:00:46,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:46,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:46,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 10:00:46,189 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:46,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:46,189 INFO L82 PathProgramCache]: Analyzing trace with hash -804374690, now seen corresponding path program 3 times [2020-12-09 10:00:46,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:46,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239378623] [2020-12-09 10:00:46,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:00:46,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:00:46,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239378623] [2020-12-09 10:00:46,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:00:46,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:00:46,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582554046] [2020-12-09 10:00:46,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:00:46,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:00:46,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:00:46,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:00:46,335 INFO L87 Difference]: Start difference. First operand 49 states and 82 transitions. Second operand 6 states. [2020-12-09 10:00:46,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:00:46,404 INFO L93 Difference]: Finished difference Result 60 states and 97 transitions. [2020-12-09 10:00:46,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 10:00:46,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-09 10:00:46,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:00:46,404 INFO L225 Difference]: With dead ends: 60 [2020-12-09 10:00:46,404 INFO L226 Difference]: Without dead ends: 33 [2020-12-09 10:00:46,405 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 [2020-12-09 10:00:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-09 10:00:46,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-09 10:00:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-09 10:00:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2020-12-09 10:00:46,406 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 22 [2020-12-09 10:00:46,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:00:46,406 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-12-09 10:00:46,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:00:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2020-12-09 10:00:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 10:00:46,406 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:00:46,406 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:00:46,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 10:00:46,407 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:00:46,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:00:46,407 INFO L82 PathProgramCache]: Analyzing trace with hash 292813918, now seen corresponding path program 4 times [2020-12-09 10:00:46,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:00:46,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578727736] [2020-12-09 10:00:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:00:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:00:46,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:00:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:00:46,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:00:46,490 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 10:00:46,490 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 10:00:46,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 10:00:46,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:00:46 BasicIcfg [2020-12-09 10:00:46,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:00:46,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:00:46,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:00:46,550 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:00:46,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:00:39" (3/4) ... [2020-12-09 10:00:46,552 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 10:00:46,611 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a63ff6a7-9167-4326-83b4-93fb0ac2ac90/bin/utaipan/witness.graphml [2020-12-09 10:00:46,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:00:46,612 INFO L168 Benchmark]: Toolchain (without parser) took 8672.78 ms. Allocated memory was 107.0 MB in the beginning and 247.5 MB in the end (delta: 140.5 MB). Free memory was 80.9 MB in the beginning and 166.3 MB in the end (delta: -85.3 MB). Peak memory consumption was 54.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:00:46,612 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 107.0 MB. Free memory was 72.1 MB in the beginning and 71.9 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:00:46,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.83 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 58.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:00:46,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.72 ms. Allocated memory is still 107.0 MB. Free memory was 58.7 MB in the beginning and 56.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:00:46,613 INFO L168 Benchmark]: Boogie Preprocessor took 26.39 ms. Allocated memory is still 107.0 MB. Free memory was 56.1 MB in the beginning and 54.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:00:46,613 INFO L168 Benchmark]: RCFGBuilder took 1260.94 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 54.1 MB in the beginning and 100.1 MB in the end (delta: -46.0 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:00:46,613 INFO L168 Benchmark]: TraceAbstraction took 6922.49 ms. Allocated memory was 140.5 MB in the beginning and 247.5 MB in the end (delta: 107.0 MB). Free memory was 100.1 MB in the beginning and 182.0 MB in the end (delta: -81.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:00:46,613 INFO L168 Benchmark]: Witness Printer took 61.53 ms. Allocated memory is still 247.5 MB. Free memory was 182.0 MB in the beginning and 166.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 10:00:46,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 107.0 MB. Free memory was 72.1 MB in the beginning and 71.9 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.83 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 58.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.72 ms. Allocated memory is still 107.0 MB. Free memory was 58.7 MB in the beginning and 56.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.39 ms. Allocated memory is still 107.0 MB. Free memory was 56.1 MB in the beginning and 54.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1260.94 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 54.1 MB in the beginning and 100.1 MB in the end (delta: -46.0 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6922.49 ms. Allocated memory was 140.5 MB in the beginning and 247.5 MB in the end (delta: 107.0 MB). Free memory was 100.1 MB in the beginning and 182.0 MB in the end (delta: -81.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * Witness Printer took 61.53 ms. Allocated memory is still 247.5 MB. Free memory was 182.0 MB in the beginning and 166.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1182 VarBasedMoverChecksPositive, 49 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 33 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 143 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.9s, 112 PlacesBefore, 37 PlacesAfterwards, 104 TransitionsBefore, 28 TransitionsAfterwards, 1832 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 4594 MoverChecksTotal - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L719] 0 int a = 0; [L721] 0 int b = 0; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L727] 0 int y = 0; [L729] 0 int z = 0; [L730] 0 _Bool z$flush_delayed; [L731] 0 int z$mem_tmp; [L732] 0 _Bool z$r_buff0_thd0; [L733] 0 _Bool z$r_buff0_thd1; [L734] 0 _Bool z$r_buff0_thd2; [L735] 0 _Bool z$r_buff0_thd3; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$read_delayed; [L741] 0 int *z$read_delayed_var; [L742] 0 int z$w_buff0; [L743] 0 _Bool z$w_buff0_used; [L744] 0 int z$w_buff1; [L745] 0 _Bool z$w_buff1_used; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L843] 0 pthread_t t882; [L844] FCALL, FORK 0 pthread_create(&t882, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L845] 0 pthread_t t883; [L846] FCALL, FORK 0 pthread_create(&t883, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L847] 0 pthread_t t884; [L848] FCALL, FORK 0 pthread_create(&t884, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_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$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L800] 3 z$w_buff1 = z$w_buff0 [L801] 3 z$w_buff0 = 1 [L802] 3 z$w_buff1_used = z$w_buff0_used [L803] 3 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L805] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L812] 3 a = 1 [L815] 3 __unbuffered_p2_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L818] 3 __unbuffered_p2_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L766] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_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=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L769] 2 y = 1 [L772] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_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=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 z$flush_delayed = weak$$choice2 [L778] 2 z$mem_tmp = z [L779] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L779] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L780] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L780] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L781] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L781] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L782] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L782] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L783] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L784] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L785] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EBX = z [L787] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L787] 2 z = z$flush_delayed ? z$mem_tmp : z [L788] 2 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L821] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L822] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L822] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L823] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L823] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L824] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L824] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L825] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L825] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L828] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L830] 3 return 0; [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L854] 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) [L854] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L854] 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) [L854] 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) [L855] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L855] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L856] 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 [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L857] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L858] 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 [L861] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, 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=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=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 4 procedures, 103 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.7s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 300 SDtfs, 307 SDslu, 579 SDs, 0 SdLazy, 212 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=890occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 39 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 17176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...