./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix017_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 997cd7c3 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/mix017_rmo.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 16e497bc9181c9428069549c336bbdafb2f5f21f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-997cd7c-m [2021-09-22 14:39:45,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:39:45,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:39:45,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:39:45,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:39:45,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:39:45,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:39:45,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:39:45,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:39:45,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:39:45,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:39:45,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:39:45,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:39:45,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:39:45,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:39:45,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:39:45,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:39:45,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:39:45,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:39:45,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:39:45,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:39:45,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:39:45,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:39:45,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:39:45,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:39:45,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:39:45,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:39:45,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:39:45,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:39:45,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:39:45,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:39:45,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:39:45,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:39:45,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:39:45,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:39:45,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:39:45,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:39:45,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:39:45,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:39:45,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:39:45,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:39:45,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:39:46,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:39:46,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:39:46,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:39:46,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:39:46,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:39:46,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:39:46,008 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:39:46,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:39:46,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:39:46,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:39:46,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:39:46,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:39:46,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:39:46,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:39:46,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:39:46,009 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:39:46,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:39:46,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:39:46,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:39:46,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:39:46,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:39:46,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:39:46,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:39:46,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:39:46,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:39:46,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:39:46,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:39:46,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:39:46,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:39:46,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:39:46,023 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16e497bc9181c9428069549c336bbdafb2f5f21f [2021-09-22 14:39:46,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:39:46,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:39:46,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:39:46,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:39:46,252 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:39:46,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix017_rmo.oepc.i [2021-09-22 14:39:46,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ba2344f/541206253fc64fec9ec034147426772d/FLAGc96ab00a7 [2021-09-22 14:39:46,733 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:39:46,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix017_rmo.oepc.i [2021-09-22 14:39:46,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ba2344f/541206253fc64fec9ec034147426772d/FLAGc96ab00a7 [2021-09-22 14:39:46,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ba2344f/541206253fc64fec9ec034147426772d [2021-09-22 14:39:46,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:39:46,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:39:46,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:39:46,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:39:46,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:39:46,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:39:46" (1/1) ... [2021-09-22 14:39:46,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d88e17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:46, skipping insertion in model container [2021-09-22 14:39:46,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:39:46" (1/1) ... [2021-09-22 14:39:46,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:39:46,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:39:46,959 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/mix017_rmo.oepc.i[949,962] [2021-09-22 14:39:47,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:39:47,157 INFO L203 MainTranslator]: Completed pre-run [2021-09-22 14:39:47,165 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/mix017_rmo.oepc.i[949,962] [2021-09-22 14:39:47,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:39:47,250 INFO L208 MainTranslator]: Completed translation [2021-09-22 14:39:47,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47 WrapperNode [2021-09-22 14:39:47,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:39:47,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-22 14:39:47,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-22 14:39:47,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-22 14:39:47,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-22 14:39:47,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-22 14:39:47,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-22 14:39:47,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-22 14:39:47,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-22 14:39:47,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-22 14:39:47,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-22 14:39:47,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-22 14:39:47,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (1/1) ... [2021-09-22 14:39:47,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:39:47,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-22 14:39:47,369 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) [2021-09-22 14:39:47,380 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 [2021-09-22 14:39:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-09-22 14:39:47,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-09-22 14:39:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-22 14:39:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-09-22 14:39:47,416 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-09-22 14:39:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-09-22 14:39:47,417 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-09-22 14:39:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-09-22 14:39:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-09-22 14:39:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-09-22 14:39:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-09-22 14:39:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-09-22 14:39:47,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-09-22 14:39:47,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-09-22 14:39:47,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-22 14:39:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-22 14:39:47,423 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-09-22 14:39:48,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-22 14:39:48,756 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-09-22 14:39:48,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:39:48 BoogieIcfgContainer [2021-09-22 14:39:48,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-09-22 14:39:48,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-09-22 14:39:48,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-09-22 14:39:48,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-09-22 14:39:48,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 02:39:46" (1/3) ... [2021-09-22 14:39:48,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1189af3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:39:48, skipping insertion in model container [2021-09-22 14:39:48,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:39:47" (2/3) ... [2021-09-22 14:39:48,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1189af3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:39:48, skipping insertion in model container [2021-09-22 14:39:48,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:39:48" (3/3) ... [2021-09-22 14:39:48,763 INFO L111 eAbstractionObserver]: Analyzing ICFG mix017_rmo.oepc.i [2021-09-22 14:39:48,770 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-09-22 14:39:48,770 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-09-22 14:39:48,770 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-09-22 14:39:48,770 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-09-22 14:39:48,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,804 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,805 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,805 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,805 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,805 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,806 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,806 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,806 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,811 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,811 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,811 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,811 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,811 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,811 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,811 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,811 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,815 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,815 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,815 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,816 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,820 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,822 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,822 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,822 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,824 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,824 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,830 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,836 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,837 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,838 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,839 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,840 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,841 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,841 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,841 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,849 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,850 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,853 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:39:48,864 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-09-22 14:39:48,897 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-09-22 14:39:48,902 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 [2021-09-22 14:39:48,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-09-22 14:39:48,915 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-09-22 14:39:48,921 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 131 transitions, 282 flow [2021-09-22 14:39:48,923 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 131 transitions, 282 flow [2021-09-22 14:39:48,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 282 flow [2021-09-22 14:39:48,972 INFO L129 PetriNetUnfolder]: 2/127 cut-off events. [2021-09-22 14:39:48,972 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-09-22 14:39:48,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2021-09-22 14:39:48,978 INFO L116 LiptonReduction]: Number of co-enabled transitions 3104 [2021-09-22 14:39:53,356 INFO L131 LiptonReduction]: Checked pairs total: 9377 [2021-09-22 14:39:53,356 INFO L133 LiptonReduction]: Total number of compositions: 107 [2021-09-22 14:39:53,361 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 36 transitions, 92 flow [2021-09-22 14:39:53,526 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) [2021-09-22 14:39:53,542 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) [2021-09-22 14:39:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-09-22 14:39:53,546 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:53,546 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-09-22 14:39:53,546 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:53,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:53,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1252633, now seen corresponding path program 1 times [2021-09-22 14:39:53,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:53,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156746063] [2021-09-22 14:39:53,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:53,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:53,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:53,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156746063] [2021-09-22 14:39:53,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156746063] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:53,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:53,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-09-22 14:39:53,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019180234] [2021-09-22 14:39:53,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:39:53,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:53,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:39:53,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:39:53,747 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) [2021-09-22 14:39:53,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:53,842 INFO L93 Difference]: Finished difference Result 4212 states and 16640 transitions. [2021-09-22 14:39:53,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:39:53,843 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 [2021-09-22 14:39:53,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:53,885 INFO L225 Difference]: With dead ends: 4212 [2021-09-22 14:39:53,885 INFO L226 Difference]: Without dead ends: 4062 [2021-09-22 14:39:53,886 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:39:53,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4062 states. [2021-09-22 14:39:54,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4062 to 4062. [2021-09-22 14:39:54,080 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) [2021-09-22 14:39:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4062 states to 4062 states and 16125 transitions. [2021-09-22 14:39:54,106 INFO L78 Accepts]: Start accepts. Automaton has 4062 states and 16125 transitions. Word has length 3 [2021-09-22 14:39:54,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:54,106 INFO L470 AbstractCegarLoop]: Abstraction has 4062 states and 16125 transitions. [2021-09-22 14:39:54,107 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) [2021-09-22 14:39:54,107 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 16125 transitions. [2021-09-22 14:39:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-09-22 14:39:54,115 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:54,115 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:39:54,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-09-22 14:39:54,115 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:54,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:54,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1482706549, now seen corresponding path program 1 times [2021-09-22 14:39:54,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:54,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189606582] [2021-09-22 14:39:54,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:54,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:54,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:54,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189606582] [2021-09-22 14:39:54,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189606582] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:54,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:54,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-22 14:39:54,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175891762] [2021-09-22 14:39:54,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-22 14:39:54,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:54,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-22 14:39:54,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-09-22 14:39:54,225 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) [2021-09-22 14:39:54,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:54,336 INFO L93 Difference]: Finished difference Result 4780 states and 18406 transitions. [2021-09-22 14:39:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-09-22 14:39:54,337 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 [2021-09-22 14:39:54,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:54,365 INFO L225 Difference]: With dead ends: 4780 [2021-09-22 14:39:54,365 INFO L226 Difference]: Without dead ends: 4030 [2021-09-22 14:39:54,366 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:39:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4030 states. [2021-09-22 14:39:54,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4030 to 4030. [2021-09-22 14:39:54,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4030 states, 4029 states have (on average 3.9625217175477787) internal successors, (15965), 4029 states have internal predecessors, (15965), 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) [2021-09-22 14:39:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 4030 states and 15965 transitions. [2021-09-22 14:39:54,535 INFO L78 Accepts]: Start accepts. Automaton has 4030 states and 15965 transitions. Word has length 12 [2021-09-22 14:39:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:54,536 INFO L470 AbstractCegarLoop]: Abstraction has 4030 states and 15965 transitions. [2021-09-22 14:39:54,536 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) [2021-09-22 14:39:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 15965 transitions. [2021-09-22 14:39:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-22 14:39:54,539 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:54,539 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:39:54,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-09-22 14:39:54,540 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:54,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:54,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1462637364, now seen corresponding path program 1 times [2021-09-22 14:39:54,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:54,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240035086] [2021-09-22 14:39:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:54,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:54,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:54,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240035086] [2021-09-22 14:39:54,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240035086] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:54,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:54,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-09-22 14:39:54,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894292455] [2021-09-22 14:39:54,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-09-22 14:39:54,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:54,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-09-22 14:39:54,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:39:54,652 INFO L87 Difference]: Start difference. First operand 4030 states and 15965 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) [2021-09-22 14:39:54,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:54,713 INFO L93 Difference]: Finished difference Result 4264 states and 16400 transitions. [2021-09-22 14:39:54,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-09-22 14:39:54,713 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 [2021-09-22 14:39:54,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:54,733 INFO L225 Difference]: With dead ends: 4264 [2021-09-22 14:39:54,733 INFO L226 Difference]: Without dead ends: 3562 [2021-09-22 14:39:54,734 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 17.9ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-09-22 14:39:54,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2021-09-22 14:39:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3562. [2021-09-22 14:39:54,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3562 states, 3561 states have (on average 3.9104184217916313) internal successors, (13925), 3561 states have internal predecessors, (13925), 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) [2021-09-22 14:39:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 13925 transitions. [2021-09-22 14:39:54,861 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 13925 transitions. Word has length 14 [2021-09-22 14:39:54,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:54,862 INFO L470 AbstractCegarLoop]: Abstraction has 3562 states and 13925 transitions. [2021-09-22 14:39:54,862 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) [2021-09-22 14:39:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 13925 transitions. [2021-09-22 14:39:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-22 14:39:54,864 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:54,864 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:39:54,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-09-22 14:39:54,867 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:54,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:54,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1597103224, now seen corresponding path program 1 times [2021-09-22 14:39:54,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:54,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292062197] [2021-09-22 14:39:54,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:54,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:55,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:55,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292062197] [2021-09-22 14:39:55,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292062197] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:55,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:55,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-09-22 14:39:55,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057991355] [2021-09-22 14:39:55,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-22 14:39:55,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:55,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-22 14:39:55,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-09-22 14:39:55,018 INFO L87 Difference]: Start difference. First operand 3562 states and 13925 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 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) [2021-09-22 14:39:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:55,073 INFO L93 Difference]: Finished difference Result 3288 states and 11550 transitions. [2021-09-22 14:39:55,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-09-22 14:39:55,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 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 [2021-09-22 14:39:55,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:55,084 INFO L225 Difference]: With dead ends: 3288 [2021-09-22 14:39:55,084 INFO L226 Difference]: Without dead ends: 2538 [2021-09-22 14:39:55,084 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:39:55,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2021-09-22 14:39:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2538. [2021-09-22 14:39:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2538 states, 2537 states have (on average 3.4706346078044934) internal successors, (8805), 2537 states have internal predecessors, (8805), 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) [2021-09-22 14:39:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 8805 transitions. [2021-09-22 14:39:55,169 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 8805 transitions. Word has length 14 [2021-09-22 14:39:55,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:55,169 INFO L470 AbstractCegarLoop]: Abstraction has 2538 states and 8805 transitions. [2021-09-22 14:39:55,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 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) [2021-09-22 14:39:55,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 8805 transitions. [2021-09-22 14:39:55,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-09-22 14:39:55,172 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:55,172 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:39:55,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-09-22 14:39:55,173 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:55,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:55,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1305083721, now seen corresponding path program 1 times [2021-09-22 14:39:55,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:55,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658320646] [2021-09-22 14:39:55,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:55,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:55,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:55,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658320646] [2021-09-22 14:39:55,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658320646] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:55,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:55,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-09-22 14:39:55,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330698887] [2021-09-22 14:39:55,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-09-22 14:39:55,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:55,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-09-22 14:39:55,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:39:55,240 INFO L87 Difference]: Start difference. First operand 2538 states and 8805 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-09-22 14:39:55,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:55,277 INFO L93 Difference]: Finished difference Result 1944 states and 6158 transitions. [2021-09-22 14:39:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-09-22 14:39:55,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2021-09-22 14:39:55,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:55,282 INFO L225 Difference]: With dead ends: 1944 [2021-09-22 14:39:55,282 INFO L226 Difference]: Without dead ends: 1514 [2021-09-22 14:39:55,283 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-09-22 14:39:55,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2021-09-22 14:39:55,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1514. [2021-09-22 14:39:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1513 states have (on average 3.1123595505617976) internal successors, (4709), 1513 states have internal predecessors, (4709), 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) [2021-09-22 14:39:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 4709 transitions. [2021-09-22 14:39:55,316 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 4709 transitions. Word has length 17 [2021-09-22 14:39:55,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:55,316 INFO L470 AbstractCegarLoop]: Abstraction has 1514 states and 4709 transitions. [2021-09-22 14:39:55,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-09-22 14:39:55,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 4709 transitions. [2021-09-22 14:39:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-09-22 14:39:55,320 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:55,320 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] [2021-09-22 14:39:55,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-09-22 14:39:55,320 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:55,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:55,321 INFO L82 PathProgramCache]: Analyzing trace with hash 716005589, now seen corresponding path program 1 times [2021-09-22 14:39:55,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:55,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974157040] [2021-09-22 14:39:55,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:55,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:55,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:55,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:55,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974157040] [2021-09-22 14:39:55,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974157040] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:55,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:55,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-09-22 14:39:55,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400161065] [2021-09-22 14:39:55,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-09-22 14:39:55,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:55,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-09-22 14:39:55,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-09-22 14:39:55,413 INFO L87 Difference]: Start difference. First operand 1514 states and 4709 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) [2021-09-22 14:39:55,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:55,452 INFO L93 Difference]: Finished difference Result 1256 states and 3898 transitions. [2021-09-22 14:39:55,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-09-22 14:39:55,453 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 [2021-09-22 14:39:55,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:55,456 INFO L225 Difference]: With dead ends: 1256 [2021-09-22 14:39:55,456 INFO L226 Difference]: Without dead ends: 1130 [2021-09-22 14:39:55,457 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-09-22 14:39:55,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2021-09-22 14:39:55,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1130. [2021-09-22 14:39:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1129 states have (on average 3.150575730735164) internal successors, (3557), 1129 states have internal predecessors, (3557), 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) [2021-09-22 14:39:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 3557 transitions. [2021-09-22 14:39:55,477 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 3557 transitions. Word has length 21 [2021-09-22 14:39:55,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:55,478 INFO L470 AbstractCegarLoop]: Abstraction has 1130 states and 3557 transitions. [2021-09-22 14:39:55,478 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) [2021-09-22 14:39:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 3557 transitions. [2021-09-22 14:39:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-09-22 14:39:55,481 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:55,481 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] [2021-09-22 14:39:55,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-09-22 14:39:55,482 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:55,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:55,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1917195643, now seen corresponding path program 1 times [2021-09-22 14:39:55,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:55,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350377866] [2021-09-22 14:39:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:55,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:55,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:55,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350377866] [2021-09-22 14:39:55,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350377866] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:55,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:55,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-09-22 14:39:55,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779705546] [2021-09-22 14:39:55,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-09-22 14:39:55,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:55,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-09-22 14:39:55,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:39:55,592 INFO L87 Difference]: Start difference. First operand 1130 states and 3557 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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) [2021-09-22 14:39:55,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:55,654 INFO L93 Difference]: Finished difference Result 1666 states and 5137 transitions. [2021-09-22 14:39:55,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-09-22 14:39:55,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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 [2021-09-22 14:39:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:55,658 INFO L225 Difference]: With dead ends: 1666 [2021-09-22 14:39:55,659 INFO L226 Difference]: Without dead ends: 1547 [2021-09-22 14:39:55,659 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-09-22 14:39:55,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2021-09-22 14:39:55,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1246. [2021-09-22 14:39:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 1245 states have (on average 3.1068273092369476) internal successors, (3868), 1245 states have internal predecessors, (3868), 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) [2021-09-22 14:39:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 3868 transitions. [2021-09-22 14:39:55,707 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 3868 transitions. Word has length 25 [2021-09-22 14:39:55,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:55,707 INFO L470 AbstractCegarLoop]: Abstraction has 1246 states and 3868 transitions. [2021-09-22 14:39:55,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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) [2021-09-22 14:39:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 3868 transitions. [2021-09-22 14:39:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-09-22 14:39:55,710 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:55,710 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] [2021-09-22 14:39:55,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-09-22 14:39:55,711 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:55,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:55,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1421566847, now seen corresponding path program 2 times [2021-09-22 14:39:55,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:55,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860069835] [2021-09-22 14:39:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:55,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:55,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:55,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:55,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860069835] [2021-09-22 14:39:55,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860069835] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:55,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:55,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-09-22 14:39:55,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765989981] [2021-09-22 14:39:55,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-09-22 14:39:55,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:55,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-09-22 14:39:55,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:39:55,777 INFO L87 Difference]: Start difference. First operand 1246 states and 3868 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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) [2021-09-22 14:39:55,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:55,806 INFO L93 Difference]: Finished difference Result 1775 states and 5442 transitions. [2021-09-22 14:39:55,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-09-22 14:39:55,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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 [2021-09-22 14:39:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:55,809 INFO L225 Difference]: With dead ends: 1775 [2021-09-22 14:39:55,809 INFO L226 Difference]: Without dead ends: 1136 [2021-09-22 14:39:55,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-09-22 14:39:55,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2021-09-22 14:39:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1130. [2021-09-22 14:39:55,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1129 states have (on average 3.007085916740478) internal successors, (3395), 1129 states have internal predecessors, (3395), 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) [2021-09-22 14:39:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 3395 transitions. [2021-09-22 14:39:55,829 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 3395 transitions. Word has length 25 [2021-09-22 14:39:55,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:55,829 INFO L470 AbstractCegarLoop]: Abstraction has 1130 states and 3395 transitions. [2021-09-22 14:39:55,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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) [2021-09-22 14:39:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 3395 transitions. [2021-09-22 14:39:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-09-22 14:39:55,832 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:55,833 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] [2021-09-22 14:39:55,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-09-22 14:39:55,834 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:55,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:55,834 INFO L82 PathProgramCache]: Analyzing trace with hash -470474603, now seen corresponding path program 1 times [2021-09-22 14:39:55,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:55,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601105262] [2021-09-22 14:39:55,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:55,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:55,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:55,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601105262] [2021-09-22 14:39:55,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601105262] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:55,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:55,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-09-22 14:39:55,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126961433] [2021-09-22 14:39:55,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-09-22 14:39:55,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:55,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-09-22 14:39:55,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-09-22 14:39:55,903 INFO L87 Difference]: Start difference. First operand 1130 states and 3395 transitions. Second operand has 6 states, 5 states have (on average 5.0) 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) [2021-09-22 14:39:55,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:55,957 INFO L93 Difference]: Finished difference Result 1683 states and 4929 transitions. [2021-09-22 14:39:55,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-09-22 14:39:55,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) 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 [2021-09-22 14:39:55,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:55,962 INFO L225 Difference]: With dead ends: 1683 [2021-09-22 14:39:55,962 INFO L226 Difference]: Without dead ends: 1072 [2021-09-22 14:39:55,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 32.8ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-09-22 14:39:55,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2021-09-22 14:39:55,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1066. [2021-09-22 14:39:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 1065 states have (on average 2.825352112676056) internal successors, (3009), 1065 states have internal predecessors, (3009), 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) [2021-09-22 14:39:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 3009 transitions. [2021-09-22 14:39:55,997 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 3009 transitions. Word has length 25 [2021-09-22 14:39:55,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:55,997 INFO L470 AbstractCegarLoop]: Abstraction has 1066 states and 3009 transitions. [2021-09-22 14:39:55,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) 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) [2021-09-22 14:39:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 3009 transitions. [2021-09-22 14:39:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-09-22 14:39:56,000 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:56,000 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] [2021-09-22 14:39:56,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-09-22 14:39:56,000 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:56,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:56,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1528381969, now seen corresponding path program 3 times [2021-09-22 14:39:56,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:56,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623599864] [2021-09-22 14:39:56,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:56,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:56,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:56,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623599864] [2021-09-22 14:39:56,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623599864] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:56,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:56,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-09-22 14:39:56,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316166422] [2021-09-22 14:39:56,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-09-22 14:39:56,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:56,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-09-22 14:39:56,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:39:56,093 INFO L87 Difference]: Start difference. First operand 1066 states and 3009 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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) [2021-09-22 14:39:56,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:56,155 INFO L93 Difference]: Finished difference Result 1468 states and 4029 transitions. [2021-09-22 14:39:56,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-09-22 14:39:56,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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 [2021-09-22 14:39:56,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:56,158 INFO L225 Difference]: With dead ends: 1468 [2021-09-22 14:39:56,158 INFO L226 Difference]: Without dead ends: 1172 [2021-09-22 14:39:56,159 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 38.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-09-22 14:39:56,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2021-09-22 14:39:56,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1035. [2021-09-22 14:39:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1034 states have (on average 2.758220502901354) internal successors, (2852), 1034 states have internal predecessors, (2852), 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) [2021-09-22 14:39:56,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 2852 transitions. [2021-09-22 14:39:56,179 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 2852 transitions. Word has length 25 [2021-09-22 14:39:56,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:56,179 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 2852 transitions. [2021-09-22 14:39:56,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 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) [2021-09-22 14:39:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2852 transitions. [2021-09-22 14:39:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-09-22 14:39:56,182 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:56,182 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] [2021-09-22 14:39:56,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-09-22 14:39:56,182 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:56,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:56,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1875546625, now seen corresponding path program 4 times [2021-09-22 14:39:56,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:56,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095705231] [2021-09-22 14:39:56,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:56,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:56,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:56,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095705231] [2021-09-22 14:39:56,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095705231] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:56,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:56,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-09-22 14:39:56,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426754914] [2021-09-22 14:39:56,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-09-22 14:39:56,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:56,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-09-22 14:39:56,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-09-22 14:39:56,278 INFO L87 Difference]: Start difference. First operand 1035 states and 2852 transitions. Second operand has 6 states, 5 states have (on average 5.0) 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) [2021-09-22 14:39:56,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:56,326 INFO L93 Difference]: Finished difference Result 1430 states and 3866 transitions. [2021-09-22 14:39:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-09-22 14:39:56,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) 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 [2021-09-22 14:39:56,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:56,329 INFO L225 Difference]: With dead ends: 1430 [2021-09-22 14:39:56,329 INFO L226 Difference]: Without dead ends: 962 [2021-09-22 14:39:56,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-09-22 14:39:56,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2021-09-22 14:39:56,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 956. [2021-09-22 14:39:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 955 states have (on average 2.693193717277487) internal successors, (2572), 955 states have internal predecessors, (2572), 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) [2021-09-22 14:39:56,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 2572 transitions. [2021-09-22 14:39:56,349 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 2572 transitions. Word has length 25 [2021-09-22 14:39:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:56,351 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 2572 transitions. [2021-09-22 14:39:56,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) 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) [2021-09-22 14:39:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 2572 transitions. [2021-09-22 14:39:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-09-22 14:39:56,353 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:56,353 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] [2021-09-22 14:39:56,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-09-22 14:39:56,353 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:56,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:56,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1361280747, now seen corresponding path program 5 times [2021-09-22 14:39:56,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:56,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909588060] [2021-09-22 14:39:56,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:56,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:56,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:56,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909588060] [2021-09-22 14:39:56,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909588060] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:56,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:56,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-09-22 14:39:56,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525227191] [2021-09-22 14:39:56,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-09-22 14:39:56,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:56,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-09-22 14:39:56,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-09-22 14:39:56,445 INFO L87 Difference]: Start difference. First operand 956 states and 2572 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) [2021-09-22 14:39:56,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:56,483 INFO L93 Difference]: Finished difference Result 910 states and 2481 transitions. [2021-09-22 14:39:56,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-09-22 14:39:56,484 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 [2021-09-22 14:39:56,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:56,485 INFO L225 Difference]: With dead ends: 910 [2021-09-22 14:39:56,485 INFO L226 Difference]: Without dead ends: 344 [2021-09-22 14:39:56,485 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 15.0ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-09-22 14:39:56,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-09-22 14:39:56,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2021-09-22 14:39:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 343 states have (on average 2.7434402332361514) internal successors, (941), 343 states have internal predecessors, (941), 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) [2021-09-22 14:39:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 941 transitions. [2021-09-22 14:39:56,490 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 941 transitions. Word has length 25 [2021-09-22 14:39:56,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:56,491 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 941 transitions. [2021-09-22 14:39:56,491 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) [2021-09-22 14:39:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 941 transitions. [2021-09-22 14:39:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-09-22 14:39:56,492 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:56,492 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] [2021-09-22 14:39:56,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-09-22 14:39:56,492 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:56,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:56,492 INFO L82 PathProgramCache]: Analyzing trace with hash -859742881, now seen corresponding path program 1 times [2021-09-22 14:39:56,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:56,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940247700] [2021-09-22 14:39:56,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:56,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:56,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:56,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940247700] [2021-09-22 14:39:56,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940247700] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:56,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:56,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-09-22 14:39:56,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030761564] [2021-09-22 14:39:56,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-09-22 14:39:56,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:56,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-09-22 14:39:56,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-09-22 14:39:56,619 INFO L87 Difference]: Start difference. First operand 344 states and 941 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 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) [2021-09-22 14:39:56,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:56,746 INFO L93 Difference]: Finished difference Result 401 states and 1079 transitions. [2021-09-22 14:39:56,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-09-22 14:39:56,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 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 [2021-09-22 14:39:56,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:56,747 INFO L225 Difference]: With dead ends: 401 [2021-09-22 14:39:56,747 INFO L226 Difference]: Without dead ends: 344 [2021-09-22 14:39:56,748 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 76.4ms TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-09-22 14:39:56,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-09-22 14:39:56,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2021-09-22 14:39:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 343 states have (on average 2.7259475218658893) internal successors, (935), 343 states have internal predecessors, (935), 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) [2021-09-22 14:39:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 935 transitions. [2021-09-22 14:39:56,752 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 935 transitions. Word has length 29 [2021-09-22 14:39:56,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:56,753 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 935 transitions. [2021-09-22 14:39:56,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 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) [2021-09-22 14:39:56,753 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 935 transitions. [2021-09-22 14:39:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-09-22 14:39:56,753 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:56,753 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] [2021-09-22 14:39:56,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-09-22 14:39:56,754 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:56,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:56,754 INFO L82 PathProgramCache]: Analyzing trace with hash -910699203, now seen corresponding path program 2 times [2021-09-22 14:39:56,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:56,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068105286] [2021-09-22 14:39:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:56,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:39:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:39:56,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:39:56,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068105286] [2021-09-22 14:39:56,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068105286] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:39:56,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:39:56,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-09-22 14:39:56,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043282623] [2021-09-22 14:39:56,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-09-22 14:39:56,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:39:56,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-09-22 14:39:56,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-09-22 14:39:56,911 INFO L87 Difference]: Start difference. First operand 344 states and 935 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) [2021-09-22 14:39:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:39:57,036 INFO L93 Difference]: Finished difference Result 383 states and 1022 transitions. [2021-09-22 14:39:57,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-09-22 14:39:57,037 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 [2021-09-22 14:39:57,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:39:57,038 INFO L225 Difference]: With dead ends: 383 [2021-09-22 14:39:57,038 INFO L226 Difference]: Without dead ends: 182 [2021-09-22 14:39:57,038 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 99.8ms TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-09-22 14:39:57,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-09-22 14:39:57,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2021-09-22 14:39:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 2.3480662983425415) internal successors, (425), 181 states have internal predecessors, (425), 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) [2021-09-22 14:39:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 425 transitions. [2021-09-22 14:39:57,041 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 425 transitions. Word has length 29 [2021-09-22 14:39:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:39:57,041 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 425 transitions. [2021-09-22 14:39:57,041 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) [2021-09-22 14:39:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 425 transitions. [2021-09-22 14:39:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-09-22 14:39:57,041 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:39:57,041 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] [2021-09-22 14:39:57,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-09-22 14:39:57,042 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-09-22 14:39:57,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:39:57,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1097880927, now seen corresponding path program 3 times [2021-09-22 14:39:57,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:39:57,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629352166] [2021-09-22 14:39:57,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:39:57,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:39:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-09-22 14:39:57,076 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-09-22 14:39:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-09-22 14:39:57,174 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-09-22 14:39:57,175 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-09-22 14:39:57,175 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:39:57,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:39:57,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-09-22 14:39:57,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-09-22 14:39:57,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-09-22 14:39:57,177 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-09-22 14:39:57,178 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:39:57,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-09-22 14:39:57,182 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-09-22 14:39:57,183 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-09-22 14:39:57,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 02:39:57 BasicIcfg [2021-09-22 14:39:57,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-09-22 14:39:57,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-09-22 14:39:57,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-09-22 14:39:57,278 INFO L275 PluginConnector]: Witness Printer initialized [2021-09-22 14:39:57,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:39:48" (3/4) ... [2021-09-22 14:39:57,280 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-09-22 14:39:57,364 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-09-22 14:39:57,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-09-22 14:39:57,366 INFO L168 Benchmark]: Toolchain (without parser) took 10587.51 ms. Allocated memory was 79.7 MB in the beginning and 413.1 MB in the end (delta: 333.4 MB). Free memory was 65.0 MB in the beginning and 133.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 263.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:39:57,366 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 79.7 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:39:57,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.28 ms. Allocated memory is still 79.7 MB. Free memory was 64.6 MB in the beginning and 50.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-09-22 14:39:57,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.41 ms. Allocated memory is still 79.7 MB. Free memory was 50.5 MB in the beginning and 48.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:39:57,368 INFO L168 Benchmark]: Boogie Preprocessor took 35.29 ms. Allocated memory is still 79.7 MB. Free memory was 48.0 MB in the beginning and 45.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-09-22 14:39:57,368 INFO L168 Benchmark]: RCFGBuilder took 1415.10 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 45.5 MB in the beginning and 86.8 MB in the end (delta: -41.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-09-22 14:39:57,368 INFO L168 Benchmark]: TraceAbstraction took 8518.59 ms. Allocated memory was 113.2 MB in the beginning and 413.1 MB in the end (delta: 299.9 MB). Free memory was 86.8 MB in the beginning and 160.7 MB in the end (delta: -73.8 MB). Peak memory consumption was 224.8 MB. Max. memory is 16.1 GB. [2021-09-22 14:39:57,369 INFO L168 Benchmark]: Witness Printer took 86.58 ms. Allocated memory is still 413.1 MB. Free memory was 160.7 MB in the beginning and 133.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-09-22 14:39:57,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 79.7 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.28 ms. Allocated memory is still 79.7 MB. Free memory was 64.6 MB in the beginning and 50.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.41 ms. Allocated memory is still 79.7 MB. Free memory was 50.5 MB in the beginning and 48.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.29 ms. Allocated memory is still 79.7 MB. Free memory was 48.0 MB in the beginning and 45.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1415.10 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 45.5 MB in the beginning and 86.8 MB in the end (delta: -41.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8518.59 ms. Allocated memory was 113.2 MB in the beginning and 413.1 MB in the end (delta: 299.9 MB). Free memory was 86.8 MB in the beginning and 160.7 MB in the end (delta: -73.8 MB). Peak memory consumption was 224.8 MB. Max. memory is 16.1 GB. * Witness Printer took 86.58 ms. Allocated memory is still 413.1 MB. Free memory was 160.7 MB in the beginning and 133.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4432.8ms, 142 PlacesBefore, 48 PlacesAfterwards, 131 TransitionsBefore, 36 TransitionsAfterwards, 3104 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 107 TotalNumberOfCompositions, 9377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4164, positive: 3923, positive conditional: 0, positive unconditional: 3923, negative: 241, negative conditional: 0, negative unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2066, positive: 2015, positive conditional: 0, positive unconditional: 2015, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2066, positive: 1998, positive conditional: 0, positive unconditional: 1998, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 245, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 230, negative conditional: 0, negative unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4164, positive: 1908, positive conditional: 0, positive unconditional: 1908, negative: 190, negative conditional: 0, negative unconditional: 190, unknown: 2066, unknown conditional: 0, unknown unconditional: 2066] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 195, Positive conditional cache size: 0, Positive unconditional cache size: 195, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - 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_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool a$flush_delayed; [L724] 0 int a$mem_tmp; [L725] 0 _Bool a$r_buff0_thd0; [L726] 0 _Bool a$r_buff0_thd1; [L727] 0 _Bool a$r_buff0_thd2; [L728] 0 _Bool a$r_buff0_thd3; [L729] 0 _Bool a$r_buff0_thd4; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$r_buff1_thd4; [L735] 0 _Bool a$read_delayed; [L736] 0 int *a$read_delayed_var; [L737] 0 int a$w_buff0; [L738] 0 _Bool a$w_buff0_used; [L739] 0 int a$w_buff1; [L740] 0 _Bool a$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L868] 0 pthread_t t449; [L869] FCALL, FORK 0 pthread_create(&t449, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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] [L870] 0 pthread_t t450; [L871] FCALL, FORK 0 pthread_create(&t450, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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, 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 t451; [L873] FCALL, FORK 0 pthread_create(&t451, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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, 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] [L874] 0 pthread_t t452; [L875] FCALL, FORK 0 pthread_create(&t452, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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, 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] [L754] 1 a$w_buff1 = a$w_buff0 [L755] 1 a$w_buff0 = 1 [L756] 1 a$w_buff1_used = a$w_buff0_used [L757] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L759] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L760] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L761] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L762] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L763] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L764] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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] [L767] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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] [L784] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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] [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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] [L804] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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=1, z=0] [L807] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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=1, z=0] [L810] 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) [L810] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L810] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L811] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L812] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L813] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L814] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L819] 3 return 0; [L824] 4 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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=1, z=1] [L827] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_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=1, z=1] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 a$flush_delayed = weak$$choice2 [L833] 4 a$mem_tmp = a [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L834] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] EXPR 4 weak$$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$w_buff0)) [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L835] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L835] 4 a$w_buff0 = weak$$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)) [L836] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L836] EXPR 4 weak$$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$w_buff1)) [L836] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] EXPR 4 weak$$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)) [L837] 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) [L837] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L837] 4 a$w_buff0_used = weak$$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)) [L838] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L838] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 weak$$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)) [L839] 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) [L839] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L839] 4 a$r_buff0_thd4 = weak$$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)) [L840] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L840] EXPR 4 weak$$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$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EBX = a [L842] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L842] 4 a = a$flush_delayed ? a$mem_tmp : a [L843] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=1, z=1] [L770] 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) [L770] 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) [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L771] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L772] 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 [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L773] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L774] 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 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L846] 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) [L846] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L846] 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) [L846] 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) [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L847] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L848] 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 [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L849] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L850] 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 [L853] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L855] 4 return 0; [L790] 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) [L790] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L790] 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) [L790] 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) [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L791] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L792] 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 [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L793] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L794] 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 [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L877] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L881] 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) [L881] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L881] 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) [L881] 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) [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L882] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L883] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L883] 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 [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L884] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L885] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L885] 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 [L888] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_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=50, weak$$choice2=0, x=1, y=1, z=1] [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=1, 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: 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. - 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: 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: 875]: 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, 168 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 8284.6ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 54.8ms, AutomataDifference: 1115.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4623.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 684 SDtfs, 902 SDslu, 1410 SDs, 0 SdLazy, 413 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 381.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 407.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5174occurred in iteration=0, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 798.1ms AutomataMinimizationTime, 14 MinimizatonAttempts, 456 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 40.3ms SsaConstructionTime, 412.3ms SatisfiabilityAnalysisTime, 888.4ms InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 1935 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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! [2021-09-22 14:39:57,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...