./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix020_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix020_pso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a73303aa2f5c70c83db5470d9ac9e703b7ce58b4 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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 0.2.1-dev-20ed64e [2021-08-26 14:27:43,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 14:27:43,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 14:27:43,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 14:27:43,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 14:27:43,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 14:27:43,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 14:27:43,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 14:27:43,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 14:27:43,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 14:27:43,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 14:27:43,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 14:27:43,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 14:27:43,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 14:27:43,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 14:27:43,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 14:27:43,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 14:27:43,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 14:27:43,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 14:27:43,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 14:27:43,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 14:27:43,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 14:27:43,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 14:27:43,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 14:27:43,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 14:27:43,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 14:27:43,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 14:27:43,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 14:27:43,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 14:27:43,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 14:27:43,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 14:27:43,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 14:27:43,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 14:27:43,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 14:27:43,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 14:27:43,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 14:27:43,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 14:27:43,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 14:27:43,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 14:27:43,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 14:27:43,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 14:27:43,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 14:27:43,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 14:27:43,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 14:27:43,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 14:27:43,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 14:27:43,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 14:27:43,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 14:27:43,235 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 14:27:43,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 14:27:43,235 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 14:27:43,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 14:27:43,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 14:27:43,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 14:27:43,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 14:27:43,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 14:27:43,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 14:27:43,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 14:27:43,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 14:27:43,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 14:27:43,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 14:27:43,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 14:27:43,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 14:27:43,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 14:27:43,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:27:43,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 14:27:43,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 14:27:43,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 14:27:43,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 14:27:43,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 14:27:43,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 14:27:43,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 14:27:43,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a73303aa2f5c70c83db5470d9ac9e703b7ce58b4 [2021-08-26 14:27:43,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 14:27:43,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 14:27:43,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 14:27:43,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 14:27:43,492 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 14:27:43,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix020_pso.oepc.i [2021-08-26 14:27:43,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d7f933/4382e71ac656491588a7108a4d819454/FLAG1b4566816 [2021-08-26 14:27:44,025 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 14:27:44,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix020_pso.oepc.i [2021-08-26 14:27:44,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d7f933/4382e71ac656491588a7108a4d819454/FLAG1b4566816 [2021-08-26 14:27:44,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/748d7f933/4382e71ac656491588a7108a4d819454 [2021-08-26 14:27:44,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 14:27:44,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 14:27:44,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 14:27:44,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 14:27:44,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 14:27:44,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7935347e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44, skipping insertion in model container [2021-08-26 14:27:44,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 14:27:44,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 14:27:44,523 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix020_pso.oepc.i[949,962] [2021-08-26 14:27:44,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 14:27:44,726 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 14:27:44,734 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix020_pso.oepc.i[949,962] [2021-08-26 14:27:44,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 14:27:44,823 INFO L208 MainTranslator]: Completed translation [2021-08-26 14:27:44,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44 WrapperNode [2021-08-26 14:27:44,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 14:27:44,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 14:27:44,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 14:27:44,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 14:27:44,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 14:27:44,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 14:27:44,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 14:27:44,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 14:27:44,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 14:27:44,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 14:27:44,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 14:27:44,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 14:27:44,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (1/1) ... [2021-08-26 14:27:44,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:27:44,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 14:27:44,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 14:27:45,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 14:27:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 14:27:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-26 14:27:45,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 14:27:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 14:27:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-26 14:27:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-26 14:27:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-26 14:27:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-26 14:27:45,052 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-26 14:27:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-26 14:27:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-08-26 14:27:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-08-26 14:27:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 14:27:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-26 14:27:45,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 14:27:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 14:27:45,055 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-26 14:27:46,595 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 14:27:46,595 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-26 14:27:46,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:27:46 BoogieIcfgContainer [2021-08-26 14:27:46,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 14:27:46,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 14:27:46,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 14:27:46,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 14:27:46,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:27:44" (1/3) ... [2021-08-26 14:27:46,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521628c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:27:46, skipping insertion in model container [2021-08-26 14:27:46,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:27:44" (2/3) ... [2021-08-26 14:27:46,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521628c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:27:46, skipping insertion in model container [2021-08-26 14:27:46,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:27:46" (3/3) ... [2021-08-26 14:27:46,602 INFO L111 eAbstractionObserver]: Analyzing ICFG mix020_pso.oepc.i [2021-08-26 14:27:46,605 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-26 14:27:46,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 14:27:46,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-26 14:27:46,605 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-26 14:27:46,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,652 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,652 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,652 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,656 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,657 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,657 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,660 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,660 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,660 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,661 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,664 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,664 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,664 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,664 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,665 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,665 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,666 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,667 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,668 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,669 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,670 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,671 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,675 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,675 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,675 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,681 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,681 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,684 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,685 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,685 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,686 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,686 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,687 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,688 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,689 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,690 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,691 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,692 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:27:46,693 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-26 14:27:46,719 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 14:27:46,722 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 14:27:46,723 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-26 14:27:46,731 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-26 14:27:46,737 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 130 transitions, 280 flow [2021-08-26 14:27:46,739 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 130 transitions, 280 flow [2021-08-26 14:27:46,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 130 transitions, 280 flow [2021-08-26 14:27:46,768 INFO L129 PetriNetUnfolder]: 2/126 cut-off events. [2021-08-26 14:27:46,768 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-26 14:27:46,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2021-08-26 14:27:46,773 INFO L116 LiptonReduction]: Number of co-enabled transitions 3104 [2021-08-26 14:27:51,291 INFO L131 LiptonReduction]: Checked pairs total: 9089 [2021-08-26 14:27:51,292 INFO L133 LiptonReduction]: Total number of compositions: 107 [2021-08-26 14:27:51,297 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 36 transitions, 92 flow [2021-08-26 14:27:51,446 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5174 states, 5171 states have (on average 4.175594662541094) internal successors, (21592), 5173 states have internal predecessors, (21592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 5174 states, 5171 states have (on average 4.175594662541094) internal successors, (21592), 5173 states have internal predecessors, (21592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-08-26 14:27:51,469 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:51,469 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-08-26 14:27:51,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:51,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:51,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1250656, now seen corresponding path program 1 times [2021-08-26 14:27:51,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:51,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102978746] [2021-08-26 14:27:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:51,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:51,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:51,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102978746] [2021-08-26 14:27:51,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102978746] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:51,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:51,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-26 14:27:51,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544396922] [2021-08-26 14:27:51,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:27:51,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:51,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:27:51,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:27:51,706 INFO L87 Difference]: Start difference. First operand has 5174 states, 5171 states have (on average 4.175594662541094) internal successors, (21592), 5173 states have internal predecessors, (21592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:51,787 INFO L93 Difference]: Finished difference Result 4212 states and 16640 transitions. [2021-08-26 14:27:51,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:27:51,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-08-26 14:27:51,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:51,821 INFO L225 Difference]: With dead ends: 4212 [2021-08-26 14:27:51,822 INFO L226 Difference]: Without dead ends: 4062 [2021-08-26 14:27:51,822 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:27:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4062 states. [2021-08-26 14:27:51,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4062 to 4062. [2021-08-26 14:27:51,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4062 states, 4061 states have (on average 3.9706968726914553) internal successors, (16125), 4061 states have internal predecessors, (16125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4062 states to 4062 states and 16125 transitions. [2021-08-26 14:27:52,007 INFO L78 Accepts]: Start accepts. Automaton has 4062 states and 16125 transitions. Word has length 3 [2021-08-26 14:27:52,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:52,008 INFO L470 AbstractCegarLoop]: Abstraction has 4062 states and 16125 transitions. [2021-08-26 14:27:52,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 16125 transitions. [2021-08-26 14:27:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 14:27:52,010 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:52,011 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:52,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 14:27:52,011 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:52,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1883346086, now seen corresponding path program 1 times [2021-08-26 14:27:52,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:52,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550345954] [2021-08-26 14:27:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:52,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:52,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:52,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550345954] [2021-08-26 14:27:52,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550345954] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:52,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:52,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 14:27:52,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158332570] [2021-08-26 14:27:52,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:27:52,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:52,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:27:52,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:27:52,095 INFO L87 Difference]: Start difference. First operand 4062 states and 16125 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:52,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:52,192 INFO L93 Difference]: Finished difference Result 7556 states and 28724 transitions. [2021-08-26 14:27:52,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 14:27:52,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-26 14:27:52,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:52,231 INFO L225 Difference]: With dead ends: 7556 [2021-08-26 14:27:52,232 INFO L226 Difference]: Without dead ends: 6125 [2021-08-26 14:27:52,233 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:27:52,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6125 states. [2021-08-26 14:27:52,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6125 to 5249. [2021-08-26 14:27:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5249 states, 5248 states have (on average 3.8984375) internal successors, (20459), 5248 states have internal predecessors, (20459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5249 states to 5249 states and 20459 transitions. [2021-08-26 14:27:52,481 INFO L78 Accepts]: Start accepts. Automaton has 5249 states and 20459 transitions. Word has length 12 [2021-08-26 14:27:52,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:52,482 INFO L470 AbstractCegarLoop]: Abstraction has 5249 states and 20459 transitions. [2021-08-26 14:27:52,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5249 states and 20459 transitions. [2021-08-26 14:27:52,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 14:27:52,489 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:52,489 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:52,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 14:27:52,490 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:52,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:52,496 INFO L82 PathProgramCache]: Analyzing trace with hash -385211104, now seen corresponding path program 1 times [2021-08-26 14:27:52,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:52,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026173597] [2021-08-26 14:27:52,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:52,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:52,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:52,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:52,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026173597] [2021-08-26 14:27:52,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026173597] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:52,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:52,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:27:52,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541612966] [2021-08-26 14:27:52,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 14:27:52,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:52,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 14:27:52,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:27:52,611 INFO L87 Difference]: Start difference. First operand 5249 states and 20459 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:52,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:52,703 INFO L93 Difference]: Finished difference Result 6355 states and 23821 transitions. [2021-08-26 14:27:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 14:27:52,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 14:27:52,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:52,740 INFO L225 Difference]: With dead ends: 6355 [2021-08-26 14:27:52,740 INFO L226 Difference]: Without dead ends: 5389 [2021-08-26 14:27:52,741 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 20.8ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:27:52,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5389 states. [2021-08-26 14:27:52,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5389 to 4219. [2021-08-26 14:27:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4219 states, 4218 states have (on average 3.8760075865339023) internal successors, (16349), 4218 states have internal predecessors, (16349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:52,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 4219 states and 16349 transitions. [2021-08-26 14:27:52,855 INFO L78 Accepts]: Start accepts. Automaton has 4219 states and 16349 transitions. Word has length 13 [2021-08-26 14:27:52,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:52,855 INFO L470 AbstractCegarLoop]: Abstraction has 4219 states and 16349 transitions. [2021-08-26 14:27:52,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 16349 transitions. [2021-08-26 14:27:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-26 14:27:52,858 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:52,858 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:52,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 14:27:52,858 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:52,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:52,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1714048804, now seen corresponding path program 1 times [2021-08-26 14:27:52,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:52,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798344109] [2021-08-26 14:27:52,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:52,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:52,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:52,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798344109] [2021-08-26 14:27:52,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798344109] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:52,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:52,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:27:52,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299528187] [2021-08-26 14:27:52,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 14:27:52,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:52,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 14:27:52,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:27:52,990 INFO L87 Difference]: Start difference. First operand 4219 states and 16349 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:53,076 INFO L93 Difference]: Finished difference Result 5983 states and 22249 transitions. [2021-08-26 14:27:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 14:27:53,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-08-26 14:27:53,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:53,103 INFO L225 Difference]: With dead ends: 5983 [2021-08-26 14:27:53,104 INFO L226 Difference]: Without dead ends: 5189 [2021-08-26 14:27:53,104 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.3ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:27:53,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5189 states. [2021-08-26 14:27:53,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5189 to 4139. [2021-08-26 14:27:53,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4139 states, 4138 states have (on average 3.8629772837119383) internal successors, (15985), 4138 states have internal predecessors, (15985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 4139 states and 15985 transitions. [2021-08-26 14:27:53,213 INFO L78 Accepts]: Start accepts. Automaton has 4139 states and 15985 transitions. Word has length 14 [2021-08-26 14:27:53,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:53,214 INFO L470 AbstractCegarLoop]: Abstraction has 4139 states and 15985 transitions. [2021-08-26 14:27:53,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4139 states and 15985 transitions. [2021-08-26 14:27:53,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-26 14:27:53,217 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:53,217 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:53,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 14:27:53,217 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:53,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:53,218 INFO L82 PathProgramCache]: Analyzing trace with hash -820375262, now seen corresponding path program 1 times [2021-08-26 14:27:53,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:53,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418777444] [2021-08-26 14:27:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:53,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:53,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:53,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418777444] [2021-08-26 14:27:53,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418777444] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:53,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:53,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:27:53,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938715516] [2021-08-26 14:27:53,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:27:53,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:53,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:27:53,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:27:53,263 INFO L87 Difference]: Start difference. First operand 4139 states and 15985 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:53,302 INFO L93 Difference]: Finished difference Result 3972 states and 13808 transitions. [2021-08-26 14:27:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 14:27:53,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-26 14:27:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:53,311 INFO L225 Difference]: With dead ends: 3972 [2021-08-26 14:27:53,312 INFO L226 Difference]: Without dead ends: 3003 [2021-08-26 14:27:53,312 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:27:53,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2021-08-26 14:27:53,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 3003. [2021-08-26 14:27:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 3002 states have (on average 3.438041305796136) internal successors, (10321), 3002 states have internal predecessors, (10321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 10321 transitions. [2021-08-26 14:27:53,421 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 10321 transitions. Word has length 15 [2021-08-26 14:27:53,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:53,421 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 10321 transitions. [2021-08-26 14:27:53,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 10321 transitions. [2021-08-26 14:27:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 14:27:53,426 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:53,426 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:53,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 14:27:53,426 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:53,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:53,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1275758070, now seen corresponding path program 1 times [2021-08-26 14:27:53,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:53,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614543831] [2021-08-26 14:27:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:53,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:53,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:53,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614543831] [2021-08-26 14:27:53,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614543831] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:53,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:53,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 14:27:53,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249952014] [2021-08-26 14:27:53,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 14:27:53,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:53,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 14:27:53,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:27:53,534 INFO L87 Difference]: Start difference. First operand 3003 states and 10321 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:53,575 INFO L93 Difference]: Finished difference Result 2384 states and 7488 transitions. [2021-08-26 14:27:53,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 14:27:53,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-26 14:27:53,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:53,581 INFO L225 Difference]: With dead ends: 2384 [2021-08-26 14:27:53,581 INFO L226 Difference]: Without dead ends: 1815 [2021-08-26 14:27:53,581 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:27:53,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2021-08-26 14:27:53,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1803. [2021-08-26 14:27:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1802 states have (on average 3.079356270810211) internal successors, (5549), 1802 states have internal predecessors, (5549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 5549 transitions. [2021-08-26 14:27:53,616 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 5549 transitions. Word has length 18 [2021-08-26 14:27:53,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:53,616 INFO L470 AbstractCegarLoop]: Abstraction has 1803 states and 5549 transitions. [2021-08-26 14:27:53,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 5549 transitions. [2021-08-26 14:27:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-26 14:27:53,620 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:53,620 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:53,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 14:27:53,620 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:53,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:53,621 INFO L82 PathProgramCache]: Analyzing trace with hash 656802444, now seen corresponding path program 1 times [2021-08-26 14:27:53,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:53,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388803172] [2021-08-26 14:27:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:53,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:53,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:53,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388803172] [2021-08-26 14:27:53,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388803172] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:53,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:53,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:27:53,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868414976] [2021-08-26 14:27:53,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 14:27:53,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:53,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 14:27:53,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:27:53,752 INFO L87 Difference]: Start difference. First operand 1803 states and 5549 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:53,797 INFO L93 Difference]: Finished difference Result 1516 states and 4646 transitions. [2021-08-26 14:27:53,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 14:27:53,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-08-26 14:27:53,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:53,801 INFO L225 Difference]: With dead ends: 1516 [2021-08-26 14:27:53,802 INFO L226 Difference]: Without dead ends: 1347 [2021-08-26 14:27:53,802 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.1ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:27:53,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2021-08-26 14:27:53,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1275. [2021-08-26 14:27:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 1274 states have (on average 3.1028257456828885) internal successors, (3953), 1274 states have internal predecessors, (3953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 3953 transitions. [2021-08-26 14:27:53,830 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 3953 transitions. Word has length 21 [2021-08-26 14:27:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:53,830 INFO L470 AbstractCegarLoop]: Abstraction has 1275 states and 3953 transitions. [2021-08-26 14:27:53,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 3953 transitions. [2021-08-26 14:27:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 14:27:53,833 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:53,833 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:53,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 14:27:53,834 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:53,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1326855376, now seen corresponding path program 1 times [2021-08-26 14:27:53,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:53,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917887366] [2021-08-26 14:27:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:53,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:53,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:53,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917887366] [2021-08-26 14:27:53,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917887366] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:53,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:53,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 14:27:53,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150344548] [2021-08-26 14:27:53,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 14:27:53,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:53,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 14:27:53,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-26 14:27:53,986 INFO L87 Difference]: Start difference. First operand 1275 states and 3953 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:54,263 INFO L93 Difference]: Finished difference Result 2114 states and 6321 transitions. [2021-08-26 14:27:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 14:27:54,263 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-26 14:27:54,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:54,269 INFO L225 Difference]: With dead ends: 2114 [2021-08-26 14:27:54,269 INFO L226 Difference]: Without dead ends: 1867 [2021-08-26 14:27:54,269 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 108.7ms TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-08-26 14:27:54,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2021-08-26 14:27:54,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1494. [2021-08-26 14:27:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1493 states have (on average 3.0482250502344272) internal successors, (4551), 1493 states have internal predecessors, (4551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 4551 transitions. [2021-08-26 14:27:54,301 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 4551 transitions. Word has length 25 [2021-08-26 14:27:54,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:54,302 INFO L470 AbstractCegarLoop]: Abstraction has 1494 states and 4551 transitions. [2021-08-26 14:27:54,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 4551 transitions. [2021-08-26 14:27:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 14:27:54,305 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:54,305 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:54,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 14:27:54,306 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:54,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:54,306 INFO L82 PathProgramCache]: Analyzing trace with hash 2019054, now seen corresponding path program 1 times [2021-08-26 14:27:54,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:54,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038048076] [2021-08-26 14:27:54,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:54,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:54,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:54,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038048076] [2021-08-26 14:27:54,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038048076] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:54,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:54,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:27:54,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726745227] [2021-08-26 14:27:54,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:27:54,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:54,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:27:54,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:27:54,378 INFO L87 Difference]: Start difference. First operand 1494 states and 4551 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:54,405 INFO L93 Difference]: Finished difference Result 2189 states and 6590 transitions. [2021-08-26 14:27:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 14:27:54,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-26 14:27:54,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:54,410 INFO L225 Difference]: With dead ends: 2189 [2021-08-26 14:27:54,410 INFO L226 Difference]: Without dead ends: 1302 [2021-08-26 14:27:54,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:27:54,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2021-08-26 14:27:54,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1267. [2021-08-26 14:27:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 1266 states have (on average 2.947077409162717) internal successors, (3731), 1266 states have internal predecessors, (3731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 3731 transitions. [2021-08-26 14:27:54,433 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 3731 transitions. Word has length 25 [2021-08-26 14:27:54,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:54,433 INFO L470 AbstractCegarLoop]: Abstraction has 1267 states and 3731 transitions. [2021-08-26 14:27:54,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 3731 transitions. [2021-08-26 14:27:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 14:27:54,436 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:54,436 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:54,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 14:27:54,436 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:54,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:54,437 INFO L82 PathProgramCache]: Analyzing trace with hash -478760656, now seen corresponding path program 2 times [2021-08-26 14:27:54,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:54,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973150236] [2021-08-26 14:27:54,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:54,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:54,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:54,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973150236] [2021-08-26 14:27:54,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973150236] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:54,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:54,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 14:27:54,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996061923] [2021-08-26 14:27:54,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 14:27:54,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:54,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 14:27:54,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:27:54,562 INFO L87 Difference]: Start difference. First operand 1267 states and 3731 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:54,615 INFO L93 Difference]: Finished difference Result 1223 states and 3639 transitions. [2021-08-26 14:27:54,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 14:27:54,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-26 14:27:54,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:54,618 INFO L225 Difference]: With dead ends: 1223 [2021-08-26 14:27:54,618 INFO L226 Difference]: Without dead ends: 854 [2021-08-26 14:27:54,619 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 24.2ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-08-26 14:27:54,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2021-08-26 14:27:54,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2021-08-26 14:27:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 853 states have (on average 2.9718640093786637) internal successors, (2535), 853 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2535 transitions. [2021-08-26 14:27:54,632 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2535 transitions. Word has length 25 [2021-08-26 14:27:54,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:54,632 INFO L470 AbstractCegarLoop]: Abstraction has 854 states and 2535 transitions. [2021-08-26 14:27:54,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2535 transitions. [2021-08-26 14:27:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-26 14:27:54,635 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:54,635 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:54,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 14:27:54,635 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:54,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:54,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1566989378, now seen corresponding path program 1 times [2021-08-26 14:27:54,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:54,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018901178] [2021-08-26 14:27:54,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:54,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:54,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:54,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018901178] [2021-08-26 14:27:54,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018901178] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:54,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:54,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:27:54,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361621091] [2021-08-26 14:27:54,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 14:27:54,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:54,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 14:27:54,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:27:54,716 INFO L87 Difference]: Start difference. First operand 854 states and 2535 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:54,771 INFO L93 Difference]: Finished difference Result 1222 states and 3616 transitions. [2021-08-26 14:27:54,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 14:27:54,772 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-08-26 14:27:54,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:54,773 INFO L225 Difference]: With dead ends: 1222 [2021-08-26 14:27:54,774 INFO L226 Difference]: Without dead ends: 683 [2021-08-26 14:27:54,774 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.9ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-26 14:27:54,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2021-08-26 14:27:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 638. [2021-08-26 14:27:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 637 states have (on average 2.868131868131868) internal successors, (1827), 637 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1827 transitions. [2021-08-26 14:27:54,783 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1827 transitions. Word has length 29 [2021-08-26 14:27:54,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:54,783 INFO L470 AbstractCegarLoop]: Abstraction has 638 states and 1827 transitions. [2021-08-26 14:27:54,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1827 transitions. [2021-08-26 14:27:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-26 14:27:54,784 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:54,784 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:54,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 14:27:54,785 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:54,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:54,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1871244986, now seen corresponding path program 2 times [2021-08-26 14:27:54,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:54,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438434681] [2021-08-26 14:27:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:54,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:27:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:27:54,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:27:54,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438434681] [2021-08-26 14:27:54,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438434681] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:27:54,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:27:54,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-26 14:27:54,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612711090] [2021-08-26 14:27:54,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-26 14:27:54,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:27:54,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-26 14:27:54,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-08-26 14:27:54,954 INFO L87 Difference]: Start difference. First operand 638 states and 1827 transitions. Second operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:55,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:27:55,112 INFO L93 Difference]: Finished difference Result 677 states and 1914 transitions. [2021-08-26 14:27:55,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 14:27:55,112 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-08-26 14:27:55,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:27:55,113 INFO L225 Difference]: With dead ends: 677 [2021-08-26 14:27:55,113 INFO L226 Difference]: Without dead ends: 476 [2021-08-26 14:27:55,114 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 106.5ms TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-08-26 14:27:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-08-26 14:27:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 384. [2021-08-26 14:27:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 383 states have (on average 2.8120104438642297) internal successors, (1077), 383 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 1077 transitions. [2021-08-26 14:27:55,119 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 1077 transitions. Word has length 29 [2021-08-26 14:27:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:27:55,119 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 1077 transitions. [2021-08-26 14:27:55,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:27:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1077 transitions. [2021-08-26 14:27:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-26 14:27:55,120 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:27:55,120 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:27:55,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 14:27:55,120 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:27:55,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:27:55,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1916881706, now seen corresponding path program 3 times [2021-08-26 14:27:55,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:27:55,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388578643] [2021-08-26 14:27:55,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:27:55,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:27:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 14:27:55,152 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 14:27:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 14:27:55,203 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 14:27:55,203 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 14:27:55,204 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:27:55,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:27:55,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-26 14:27:55,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-26 14:27:55,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-26 14:27:55,205 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-26 14:27:55,206 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:27:55,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-26 14:27:55,209 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-26 14:27:55,209 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 14:27:55,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:27:55 BasicIcfg [2021-08-26 14:27:55,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 14:27:55,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 14:27:55,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 14:27:55,274 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 14:27:55,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:27:46" (3/4) ... [2021-08-26 14:27:55,276 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-26 14:27:55,335 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 14:27:55,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 14:27:55,336 INFO L168 Benchmark]: Toolchain (without parser) took 10994.12 ms. Allocated memory was 58.7 MB in the beginning and 683.7 MB in the end (delta: 625.0 MB). Free memory was 36.4 MB in the beginning and 441.8 MB in the end (delta: -405.3 MB). Peak memory consumption was 219.5 MB. Max. memory is 16.1 GB. [2021-08-26 14:27:55,337 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 14:27:55,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.42 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 29.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 14:27:55,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.87 ms. Allocated memory is still 58.7 MB. Free memory was 29.0 MB in the beginning and 26.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:27:55,337 INFO L168 Benchmark]: Boogie Preprocessor took 57.76 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 26.4 MB in the beginning and 54.1 MB in the end (delta: -27.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-08-26 14:27:55,338 INFO L168 Benchmark]: RCFGBuilder took 1652.97 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 54.1 MB in the beginning and 47.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-08-26 14:27:55,338 INFO L168 Benchmark]: TraceAbstraction took 8675.60 ms. Allocated memory was 107.0 MB in the beginning and 683.7 MB in the end (delta: 576.7 MB). Free memory was 47.8 MB in the beginning and 468.0 MB in the end (delta: -420.2 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.1 GB. [2021-08-26 14:27:55,338 INFO L168 Benchmark]: Witness Printer took 61.74 ms. Allocated memory is still 683.7 MB. Free memory was 468.0 MB in the beginning and 441.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-08-26 14:27:55,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 480.42 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 29.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.87 ms. Allocated memory is still 58.7 MB. Free memory was 29.0 MB in the beginning and 26.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.76 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 26.4 MB in the beginning and 54.1 MB in the end (delta: -27.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1652.97 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 54.1 MB in the beginning and 47.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8675.60 ms. Allocated memory was 107.0 MB in the beginning and 683.7 MB in the end (delta: 576.7 MB). Free memory was 47.8 MB in the beginning and 468.0 MB in the end (delta: -420.2 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.1 GB. * Witness Printer took 61.74 ms. Allocated memory is still 683.7 MB. Free memory was 468.0 MB in the beginning and 441.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4553.0ms, 141 PlacesBefore, 48 PlacesAfterwards, 130 TransitionsBefore, 36 TransitionsAfterwards, 3104 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 107 TotalNumberOfCompositions, 9089 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4534, positive: 4304, positive conditional: 0, positive unconditional: 4304, negative: 230, negative conditional: 0, negative unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2159, positive: 2099, positive conditional: 0, positive unconditional: 2099, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2159, positive: 2071, positive conditional: 0, positive unconditional: 2071, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 88, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 211, negative conditional: 0, negative unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4534, positive: 2205, positive conditional: 0, positive unconditional: 2205, negative: 170, negative conditional: 0, negative unconditional: 170, unknown: 2159, unknown conditional: 0, unknown unconditional: 2159] , Statistics on independence cache: Total cache size (in pairs): 272, Positive cache size: 245, Positive conditional cache size: 0, Positive unconditional cache size: 245, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool a$flush_delayed; [L722] 0 int a$mem_tmp; [L723] 0 _Bool a$r_buff0_thd0; [L724] 0 _Bool a$r_buff0_thd1; [L725] 0 _Bool a$r_buff0_thd2; [L726] 0 _Bool a$r_buff0_thd3; [L727] 0 _Bool a$r_buff0_thd4; [L728] 0 _Bool a$r_buff1_thd0; [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; [L732] 0 _Bool a$r_buff1_thd4; [L733] 0 _Bool a$read_delayed; [L734] 0 int *a$read_delayed_var; [L735] 0 int a$w_buff0; [L736] 0 _Bool a$w_buff0_used; [L737] 0 int a$w_buff1; [L738] 0 _Bool a$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L866] 0 pthread_t t529; [L867] FCALL, FORK 0 pthread_create(&t529, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 a$w_buff0 = 1 [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L757] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L758] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L759] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L760] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L761] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L868] 0 pthread_t t530; [L869] FCALL, FORK 0 pthread_create(&t530, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L870] 0 pthread_t t531; [L871] FCALL, FORK 0 pthread_create(&t531, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L872] 0 pthread_t t532; [L873] FCALL, FORK 0 pthread_create(&t532, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L782] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L802] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L805] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L808] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L808] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L809] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L810] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L811] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L812] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L822] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L825] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L828] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L829] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L830] 4 a$flush_delayed = weak$$choice2 [L831] 4 a$mem_tmp = a [L832] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L832] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L833] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L833] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L833] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L833] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L834] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L834] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L834] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L835] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L835] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L835] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L836] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L836] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L837] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L837] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L837] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L838] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L838] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 __unbuffered_p3_EBX = a [L840] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L840] 4 a = a$flush_delayed ? a$mem_tmp : a [L841] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L768] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L771] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L772] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L844] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L844] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L845] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L845] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L846] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L847] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L848] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L851] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L853] 4 return 0; [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L789] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L790] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L791] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L792] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L817] 3 return 0; [L875] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L879] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L879] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L880] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L880] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L881] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L881] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L882] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L883] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L883] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L886] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 873]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 167 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 8489.9ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 56.1ms, AutomataDifference: 1265.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4723.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 586 SDtfs, 806 SDslu, 1375 SDs, 0 SdLazy, 458 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 422.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 382.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5249occurred in iteration=2, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 853.3ms AutomataMinimizationTime, 12 MinimizatonAttempts, 3725 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 36.9ms SsaConstructionTime, 386.3ms SatisfiabilityAnalysisTime, 831.6ms InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 1499 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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! [2021-08-26 14:27:55,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...