./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix014_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix014_tso.opt.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 9f9f7868e03deaf098fe00f1c7209f3bfc48af1a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 14:26:45,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 14:26:45,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 14:26:45,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 14:26:45,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 14:26:45,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 14:26:45,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 14:26:45,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 14:26:45,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 14:26:45,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 14:26:45,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 14:26:45,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 14:26:45,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 14:26:45,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 14:26:45,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 14:26:45,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 14:26:45,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 14:26:45,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 14:26:45,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 14:26:45,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 14:26:45,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 14:26:45,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 14:26:45,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 14:26:45,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 14:26:45,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 14:26:45,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 14:26:45,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 14:26:45,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 14:26:45,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 14:26:45,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 14:26:45,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 14:26:45,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 14:26:45,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 14:26:45,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 14:26:45,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 14:26:45,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 14:26:45,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 14:26:45,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 14:26:45,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 14:26:45,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 14:26:45,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 14:26:45,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 14:26:45,940 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 14:26:45,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 14:26:45,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 14:26:45,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 14:26:45,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 14:26:45,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 14:26:45,941 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 14:26:45,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 14:26:45,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 14:26:45,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 14:26:45,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 14:26:45,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 14:26:45,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 14:26:45,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 14:26:45,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 14:26:45,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 14:26:45,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 14:26:45,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 14:26:45,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 14:26:45,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 14:26:45,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 14:26:45,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 14:26:45,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:26:45,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 14:26:45,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 14:26:45,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 14:26:45,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 14:26:45,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 14:26:45,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 14:26:45,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 14:26:45,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f9f7868e03deaf098fe00f1c7209f3bfc48af1a [2021-08-26 14:26:46,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 14:26:46,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 14:26:46,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 14:26:46,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 14:26:46,233 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 14:26:46,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix014_tso.opt.i [2021-08-26 14:26:46,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113653aee/c739a7059b19493fa510d657cc933580/FLAGf8dbdcf20 [2021-08-26 14:26:46,759 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 14:26:46,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix014_tso.opt.i [2021-08-26 14:26:46,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113653aee/c739a7059b19493fa510d657cc933580/FLAGf8dbdcf20 [2021-08-26 14:26:46,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/113653aee/c739a7059b19493fa510d657cc933580 [2021-08-26 14:26:46,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 14:26:46,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 14:26:46,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 14:26:46,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 14:26:46,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 14:26:46,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:26:46" (1/1) ... [2021-08-26 14:26:46,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7adbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:46, skipping insertion in model container [2021-08-26 14:26:46,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:26:46" (1/1) ... [2021-08-26 14:26:46,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 14:26:46,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 14:26:47,013 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/mix014_tso.opt.i[948,961] [2021-08-26 14:26:47,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 14:26:47,203 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 14:26:47,213 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/mix014_tso.opt.i[948,961] [2021-08-26 14:26:47,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 14:26:47,292 INFO L208 MainTranslator]: Completed translation [2021-08-26 14:26:47,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47 WrapperNode [2021-08-26 14:26:47,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 14:26:47,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 14:26:47,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 14:26:47,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 14:26:47,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 14:26:47,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 14:26:47,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 14:26:47,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 14:26:47,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 14:26:47,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 14:26:47,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 14:26:47,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 14:26:47,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (1/1) ... [2021-08-26 14:26:47,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 14:26:47,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 14:26:47,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 14:26:47,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 14:26:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 14:26:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-26 14:26:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 14:26:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 14:26:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-26 14:26:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-26 14:26:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-26 14:26:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-26 14:26:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-26 14:26:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-26 14:26:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-08-26 14:26:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-08-26 14:26:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 14:26:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-26 14:26:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 14:26:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 14:26:47,478 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-26 14:26:48,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 14:26:48,989 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-26 14:26:48,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:26:48 BoogieIcfgContainer [2021-08-26 14:26:48,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 14:26:48,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 14:26:48,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 14:26:48,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 14:26:48,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:26:46" (1/3) ... [2021-08-26 14:26:48,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9c2eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:26:48, skipping insertion in model container [2021-08-26 14:26:48,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:26:47" (2/3) ... [2021-08-26 14:26:48,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9c2eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:26:48, skipping insertion in model container [2021-08-26 14:26:48,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:26:48" (3/3) ... [2021-08-26 14:26:48,996 INFO L111 eAbstractionObserver]: Analyzing ICFG mix014_tso.opt.i [2021-08-26 14:26:49,000 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-26 14:26:49,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 14:26:49,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-26 14:26:49,000 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-26 14:26:49,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,031 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,031 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,031 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,032 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,032 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,033 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,033 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,033 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,034 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,034 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,034 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,035 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,035 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,035 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,035 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,041 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,042 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,043 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,048 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,048 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,048 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,049 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,049 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,049 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,049 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,049 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,050 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,050 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,050 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,051 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,052 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,053 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,054 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,055 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,056 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,057 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,058 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,059 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,066 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,067 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,068 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,070 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,073 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,074 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,074 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,076 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-26 14:26:49,080 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-26 14:26:49,109 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 14:26:49,115 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 14:26:49,116 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-26 14:26:49,128 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-26 14:26:49,135 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 129 transitions, 278 flow [2021-08-26 14:26:49,136 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 129 transitions, 278 flow [2021-08-26 14:26:49,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 278 flow [2021-08-26 14:26:49,180 INFO L129 PetriNetUnfolder]: 2/125 cut-off events. [2021-08-26 14:26:49,181 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-26 14:26:49,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 125 events. 2/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2021-08-26 14:26:49,193 INFO L116 LiptonReduction]: Number of co-enabled transitions 2794 [2021-08-26 14:26:54,101 INFO L131 LiptonReduction]: Checked pairs total: 6887 [2021-08-26 14:26:54,101 INFO L133 LiptonReduction]: Total number of compositions: 110 [2021-08-26 14:26:54,108 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2021-08-26 14:26:54,194 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2610 states, 2607 states have (on average 3.8381281166091292) internal successors, (10006), 2609 states have internal predecessors, (10006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 2610 states, 2607 states have (on average 3.8381281166091292) internal successors, (10006), 2609 states have internal predecessors, (10006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-08-26 14:26:54,213 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:54,214 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:26:54,215 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:54,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:54,220 INFO L82 PathProgramCache]: Analyzing trace with hash -514376515, now seen corresponding path program 1 times [2021-08-26 14:26:54,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:54,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263078433] [2021-08-26 14:26:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:54,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:54,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:54,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263078433] [2021-08-26 14:26:54,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263078433] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:54,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:54,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-26 14:26:54,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917944836] [2021-08-26 14:26:54,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:26:54,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:54,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:26:54,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:26:54,454 INFO L87 Difference]: Start difference. First operand has 2610 states, 2607 states have (on average 3.8381281166091292) internal successors, (10006), 2609 states have internal predecessors, (10006), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:54,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:54,525 INFO L93 Difference]: Finished difference Result 2210 states and 8366 transitions. [2021-08-26 14:26:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:26:54,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-08-26 14:26:54,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:54,551 INFO L225 Difference]: With dead ends: 2210 [2021-08-26 14:26:54,552 INFO L226 Difference]: Without dead ends: 2130 [2021-08-26 14:26:54,553 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:26:54,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2021-08-26 14:26:54,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2130. [2021-08-26 14:26:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2129 states have (on average 3.8055425082198213) internal successors, (8102), 2129 states have internal predecessors, (8102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 8102 transitions. [2021-08-26 14:26:54,649 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 8102 transitions. Word has length 9 [2021-08-26 14:26:54,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:54,650 INFO L470 AbstractCegarLoop]: Abstraction has 2130 states and 8102 transitions. [2021-08-26 14:26:54,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 8102 transitions. [2021-08-26 14:26:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 14:26:54,652 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:54,652 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:26:54,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 14:26:54,653 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:54,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:54,653 INFO L82 PathProgramCache]: Analyzing trace with hash -394495776, now seen corresponding path program 1 times [2021-08-26 14:26:54,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:54,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635011490] [2021-08-26 14:26:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:54,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:54,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:54,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635011490] [2021-08-26 14:26:54,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635011490] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:54,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:54,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-26 14:26:54,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061329474] [2021-08-26 14:26:54,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 14:26:54,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:54,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 14:26:54,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:26:54,753 INFO L87 Difference]: Start difference. First operand 2130 states and 8102 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:54,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:54,823 INFO L93 Difference]: Finished difference Result 3130 states and 11398 transitions. [2021-08-26 14:26:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 14:26:54,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-08-26 14:26:54,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:54,841 INFO L225 Difference]: With dead ends: 3130 [2021-08-26 14:26:54,841 INFO L226 Difference]: Without dead ends: 3058 [2021-08-26 14:26:54,842 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 14:26:54,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3058 states. [2021-08-26 14:26:54,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3058 to 2826. [2021-08-26 14:26:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2825 states have (on average 3.7146902654867255) internal successors, (10494), 2825 states have internal predecessors, (10494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 10494 transitions. [2021-08-26 14:26:54,923 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 10494 transitions. Word has length 11 [2021-08-26 14:26:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:54,923 INFO L470 AbstractCegarLoop]: Abstraction has 2826 states and 10494 transitions. [2021-08-26 14:26:54,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 10494 transitions. [2021-08-26 14:26:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 14:26:54,926 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:54,926 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:26:54,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 14:26:54,926 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:54,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1223934870, now seen corresponding path program 1 times [2021-08-26 14:26:54,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:54,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575994278] [2021-08-26 14:26:54,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:54,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:54,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:54,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575994278] [2021-08-26 14:26:54,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575994278] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:54,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:54,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 14:26:54,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920792760] [2021-08-26 14:26:54,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:26:54,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:55,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:26:55,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:55,003 INFO L87 Difference]: Start difference. First operand 2826 states and 10494 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:55,052 INFO L93 Difference]: Finished difference Result 2794 states and 10134 transitions. [2021-08-26 14:26:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 14:26:55,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-26 14:26:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:55,068 INFO L225 Difference]: With dead ends: 2794 [2021-08-26 14:26:55,068 INFO L226 Difference]: Without dead ends: 2794 [2021-08-26 14:26:55,069 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:55,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2021-08-26 14:26:55,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2358. [2021-08-26 14:26:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2358 states, 2357 states have (on average 3.6792532880780655) internal successors, (8672), 2357 states have internal predecessors, (8672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2358 states and 8672 transitions. [2021-08-26 14:26:55,132 INFO L78 Accepts]: Start accepts. Automaton has 2358 states and 8672 transitions. Word has length 12 [2021-08-26 14:26:55,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:55,132 INFO L470 AbstractCegarLoop]: Abstraction has 2358 states and 8672 transitions. [2021-08-26 14:26:55,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 8672 transitions. [2021-08-26 14:26:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 14:26:55,134 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:55,134 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:26:55,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 14:26:55,134 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:55,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:55,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1633727652, now seen corresponding path program 1 times [2021-08-26 14:26:55,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:55,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642785662] [2021-08-26 14:26:55,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:55,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:55,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:55,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642785662] [2021-08-26 14:26:55,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642785662] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:55,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:55,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 14:26:55,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125778057] [2021-08-26 14:26:55,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:26:55,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:55,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:26:55,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:55,216 INFO L87 Difference]: Start difference. First operand 2358 states and 8672 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:55,253 INFO L93 Difference]: Finished difference Result 2550 states and 9232 transitions. [2021-08-26 14:26:55,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 14:26:55,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 14:26:55,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:55,266 INFO L225 Difference]: With dead ends: 2550 [2021-08-26 14:26:55,266 INFO L226 Difference]: Without dead ends: 2550 [2021-08-26 14:26:55,266 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:55,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2021-08-26 14:26:55,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 2058. [2021-08-26 14:26:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2057 states have (on average 3.6898395721925135) internal successors, (7590), 2057 states have internal predecessors, (7590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 7590 transitions. [2021-08-26 14:26:55,353 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 7590 transitions. Word has length 13 [2021-08-26 14:26:55,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:55,353 INFO L470 AbstractCegarLoop]: Abstraction has 2058 states and 7590 transitions. [2021-08-26 14:26:55,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 7590 transitions. [2021-08-26 14:26:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-26 14:26:55,356 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:55,356 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:26:55,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 14:26:55,356 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:55,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:55,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1943304291, now seen corresponding path program 1 times [2021-08-26 14:26:55,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:55,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908952640] [2021-08-26 14:26:55,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:55,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:55,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:55,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908952640] [2021-08-26 14:26:55,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908952640] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:55,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:55,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:26:55,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457192962] [2021-08-26 14:26:55,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:26:55,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:55,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:26:55,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:55,446 INFO L87 Difference]: Start difference. First operand 2058 states and 7590 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:55,474 INFO L93 Difference]: Finished difference Result 2164 states and 7256 transitions. [2021-08-26 14:26:55,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 14:26:55,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-26 14:26:55,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:55,482 INFO L225 Difference]: With dead ends: 2164 [2021-08-26 14:26:55,482 INFO L226 Difference]: Without dead ends: 1612 [2021-08-26 14:26:55,482 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:26:55,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2021-08-26 14:26:55,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1612. [2021-08-26 14:26:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1611 states have (on average 3.329608938547486) internal successors, (5364), 1611 states have internal predecessors, (5364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 5364 transitions. [2021-08-26 14:26:55,515 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 5364 transitions. Word has length 15 [2021-08-26 14:26:55,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:55,515 INFO L470 AbstractCegarLoop]: Abstraction has 1612 states and 5364 transitions. [2021-08-26 14:26:55,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 5364 transitions. [2021-08-26 14:26:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 14:26:55,517 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:55,518 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 14:26:55,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 14:26:55,518 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:55,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:55,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1040803682, now seen corresponding path program 1 times [2021-08-26 14:26:55,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:55,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142319683] [2021-08-26 14:26:55,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:55,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:55,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:55,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142319683] [2021-08-26 14:26:55,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142319683] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:55,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:55,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 14:26:55,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582034212] [2021-08-26 14:26:55,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 14:26:55,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:55,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 14:26:55,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:26:55,609 INFO L87 Difference]: Start difference. First operand 1612 states and 5364 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) [2021-08-26 14:26:55,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:55,642 INFO L93 Difference]: Finished difference Result 1421 states and 4333 transitions. [2021-08-26 14:26:55,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 14:26:55,642 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 [2021-08-26 14:26:55,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:55,655 INFO L225 Difference]: With dead ends: 1421 [2021-08-26 14:26:55,659 INFO L226 Difference]: Without dead ends: 1065 [2021-08-26 14:26:55,660 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:26:55,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2021-08-26 14:26:55,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1061. [2021-08-26 14:26:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 1060 states have (on average 2.9924528301886792) internal successors, (3172), 1060 states have internal predecessors, (3172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 3172 transitions. [2021-08-26 14:26:55,679 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 3172 transitions. Word has length 17 [2021-08-26 14:26:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:55,679 INFO L470 AbstractCegarLoop]: Abstraction has 1061 states and 3172 transitions. [2021-08-26 14:26:55,679 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) [2021-08-26 14:26:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 3172 transitions. [2021-08-26 14:26:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 14:26:55,682 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:55,682 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] [2021-08-26 14:26:55,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 14:26:55,682 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:55,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:55,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1887492815, now seen corresponding path program 1 times [2021-08-26 14:26:55,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:55,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103698425] [2021-08-26 14:26:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:55,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:55,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:55,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103698425] [2021-08-26 14:26:55,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103698425] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:55,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:55,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:26:55,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861488721] [2021-08-26 14:26:55,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 14:26:55,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:55,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 14:26:55,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-26 14:26:55,809 INFO L87 Difference]: Start difference. First operand 1061 states and 3172 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:55,852 INFO L93 Difference]: Finished difference Result 933 states and 2750 transitions. [2021-08-26 14:26:55,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 14:26:55,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2021-08-26 14:26:55,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:55,855 INFO L225 Difference]: With dead ends: 933 [2021-08-26 14:26:55,855 INFO L226 Difference]: Without dead ends: 810 [2021-08-26 14:26:55,856 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 18.4ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-08-26 14:26:55,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2021-08-26 14:26:55,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 786. [2021-08-26 14:26:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 785 states have (on average 2.997452229299363) internal successors, (2353), 785 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 2353 transitions. [2021-08-26 14:26:55,869 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 2353 transitions. Word has length 20 [2021-08-26 14:26:55,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:55,869 INFO L470 AbstractCegarLoop]: Abstraction has 786 states and 2353 transitions. [2021-08-26 14:26:55,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 2353 transitions. [2021-08-26 14:26:55,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 14:26:55,871 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:55,871 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] [2021-08-26 14:26:55,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 14:26:55,872 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:55,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:55,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1859616512, now seen corresponding path program 1 times [2021-08-26 14:26:55,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:55,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505474446] [2021-08-26 14:26:55,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:55,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:55,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:55,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505474446] [2021-08-26 14:26:55,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505474446] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:55,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:55,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:26:55,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015125404] [2021-08-26 14:26:55,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:26:55,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:55,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:26:55,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:55,958 INFO L87 Difference]: Start difference. First operand 786 states and 2353 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:55,983 INFO L93 Difference]: Finished difference Result 1086 states and 3176 transitions. [2021-08-26 14:26:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 14:26:55,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-08-26 14:26:55,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:55,986 INFO L225 Difference]: With dead ends: 1086 [2021-08-26 14:26:55,986 INFO L226 Difference]: Without dead ends: 736 [2021-08-26 14:26:55,986 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:55,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2021-08-26 14:26:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 734. [2021-08-26 14:26:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 733 states have (on average 2.860845839017735) internal successors, (2097), 733 states have internal predecessors, (2097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 2097 transitions. [2021-08-26 14:26:55,997 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 2097 transitions. Word has length 23 [2021-08-26 14:26:55,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:55,997 INFO L470 AbstractCegarLoop]: Abstraction has 734 states and 2097 transitions. [2021-08-26 14:26:55,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2097 transitions. [2021-08-26 14:26:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 14:26:55,999 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:55,999 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] [2021-08-26 14:26:55,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 14:26:55,999 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:56,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:56,000 INFO L82 PathProgramCache]: Analyzing trace with hash -748450099, now seen corresponding path program 1 times [2021-08-26 14:26:56,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:56,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369570191] [2021-08-26 14:26:56,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:56,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:56,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:56,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369570191] [2021-08-26 14:26:56,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369570191] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:56,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:56,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 14:26:56,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572944465] [2021-08-26 14:26:56,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 14:26:56,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:56,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 14:26:56,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:26:56,082 INFO L87 Difference]: Start difference. First operand 734 states and 2097 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:56,131 INFO L93 Difference]: Finished difference Result 709 states and 2046 transitions. [2021-08-26 14:26:56,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 14:26:56,132 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2021-08-26 14:26:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:56,134 INFO L225 Difference]: With dead ends: 709 [2021-08-26 14:26:56,134 INFO L226 Difference]: Without dead ends: 421 [2021-08-26 14:26:56,134 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 25.6ms TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-08-26 14:26:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-08-26 14:26:56,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-08-26 14:26:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 2.802380952380952) internal successors, (1177), 420 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 1177 transitions. [2021-08-26 14:26:56,141 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 1177 transitions. Word has length 23 [2021-08-26 14:26:56,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:56,141 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 1177 transitions. [2021-08-26 14:26:56,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1177 transitions. [2021-08-26 14:26:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 14:26:56,144 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:56,144 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] [2021-08-26 14:26:56,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 14:26:56,144 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:56,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:56,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1282698512, now seen corresponding path program 1 times [2021-08-26 14:26:56,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:56,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300472930] [2021-08-26 14:26:56,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:56,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:56,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:56,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300472930] [2021-08-26 14:26:56,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300472930] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:56,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:56,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 14:26:56,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126408269] [2021-08-26 14:26:56,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 14:26:56,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:56,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 14:26:56,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:26:56,238 INFO L87 Difference]: Start difference. First operand 421 states and 1177 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:56,275 INFO L93 Difference]: Finished difference Result 567 states and 1567 transitions. [2021-08-26 14:26:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 14:26:56,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-08-26 14:26:56,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:56,276 INFO L225 Difference]: With dead ends: 567 [2021-08-26 14:26:56,276 INFO L226 Difference]: Without dead ends: 237 [2021-08-26 14:26:56,276 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.0ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:26:56,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2021-08-26 14:26:56,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 229. [2021-08-26 14:26:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 228 states have (on average 2.425438596491228) internal successors, (553), 228 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 553 transitions. [2021-08-26 14:26:56,280 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 553 transitions. Word has length 26 [2021-08-26 14:26:56,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:56,280 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 553 transitions. [2021-08-26 14:26:56,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 553 transitions. [2021-08-26 14:26:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 14:26:56,281 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:56,281 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] [2021-08-26 14:26:56,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 14:26:56,281 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:56,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:56,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1732851350, now seen corresponding path program 2 times [2021-08-26 14:26:56,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:56,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254378487] [2021-08-26 14:26:56,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:56,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:56,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:56,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254378487] [2021-08-26 14:26:56,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254378487] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:56,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:56,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:26:56,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499476999] [2021-08-26 14:26:56,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:26:56,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:56,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:26:56,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:56,357 INFO L87 Difference]: Start difference. First operand 229 states and 553 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:56,391 INFO L93 Difference]: Finished difference Result 296 states and 707 transitions. [2021-08-26 14:26:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 14:26:56,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2021-08-26 14:26:56,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:56,392 INFO L225 Difference]: With dead ends: 296 [2021-08-26 14:26:56,392 INFO L226 Difference]: Without dead ends: 230 [2021-08-26 14:26:56,393 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:26:56,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-08-26 14:26:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 189. [2021-08-26 14:26:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 188 states have (on average 2.3031914893617023) internal successors, (433), 188 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 433 transitions. [2021-08-26 14:26:56,396 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 433 transitions. Word has length 26 [2021-08-26 14:26:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:56,397 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 433 transitions. [2021-08-26 14:26:56,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 433 transitions. [2021-08-26 14:26:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 14:26:56,399 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:56,399 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] [2021-08-26 14:26:56,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 14:26:56,400 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:56,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:56,400 INFO L82 PathProgramCache]: Analyzing trace with hash -91798166, now seen corresponding path program 3 times [2021-08-26 14:26:56,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:56,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679820474] [2021-08-26 14:26:56,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:56,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:56,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:56,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679820474] [2021-08-26 14:26:56,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679820474] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:56,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:56,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 14:26:56,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420048886] [2021-08-26 14:26:56,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 14:26:56,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:56,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 14:26:56,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 14:26:56,483 INFO L87 Difference]: Start difference. First operand 189 states and 433 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:56,494 INFO L93 Difference]: Finished difference Result 260 states and 595 transitions. [2021-08-26 14:26:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 14:26:56,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2021-08-26 14:26:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:56,495 INFO L225 Difference]: With dead ends: 260 [2021-08-26 14:26:56,495 INFO L226 Difference]: Without dead ends: 86 [2021-08-26 14:26:56,495 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 14:26:56,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-08-26 14:26:56,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-08-26 14:26:56,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 2.1058823529411765) internal successors, (179), 85 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 179 transitions. [2021-08-26 14:26:56,497 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 179 transitions. Word has length 26 [2021-08-26 14:26:56,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:56,497 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 179 transitions. [2021-08-26 14:26:56,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 179 transitions. [2021-08-26 14:26:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 14:26:56,498 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:56,498 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] [2021-08-26 14:26:56,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 14:26:56,499 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:56,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:56,499 INFO L82 PathProgramCache]: Analyzing trace with hash -2043591254, now seen corresponding path program 4 times [2021-08-26 14:26:56,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:56,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313536631] [2021-08-26 14:26:56,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:56,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 14:26:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 14:26:56,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 14:26:56,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313536631] [2021-08-26 14:26:56,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313536631] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 14:26:56,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 14:26:56,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 14:26:56,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817379356] [2021-08-26 14:26:56,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 14:26:56,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 14:26:56,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 14:26:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-26 14:26:56,836 INFO L87 Difference]: Start difference. First operand 86 states and 179 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 14:26:56,939 INFO L93 Difference]: Finished difference Result 104 states and 213 transitions. [2021-08-26 14:26:56,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 14:26:56,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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 26 [2021-08-26 14:26:56,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 14:26:56,940 INFO L225 Difference]: With dead ends: 104 [2021-08-26 14:26:56,940 INFO L226 Difference]: Without dead ends: 54 [2021-08-26 14:26:56,940 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 103.5ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-26 14:26:56,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-08-26 14:26:56,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-08-26 14:26:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.7547169811320755) internal successors, (93), 53 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 93 transitions. [2021-08-26 14:26:56,941 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 93 transitions. Word has length 26 [2021-08-26 14:26:56,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 14:26:56,941 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 93 transitions. [2021-08-26 14:26:56,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 14:26:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2021-08-26 14:26:56,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 14:26:56,942 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 14:26:56,942 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] [2021-08-26 14:26:56,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-26 14:26:56,942 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-08-26 14:26:56,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 14:26:56,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1900668832, now seen corresponding path program 5 times [2021-08-26 14:26:56,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 14:26:56,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802146993] [2021-08-26 14:26:56,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 14:26:56,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 14:26:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 14:26:56,985 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 14:26:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 14:26:57,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 14:26:57,059 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 14:26:57,059 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:26:57,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:26:57,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-26 14:26:57,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-26 14:26:57,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-26 14:26:57,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-26 14:26:57,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 14:26:57,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-26 14:26:57,065 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-26 14:26:57,065 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 14:26:57,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:26:57 BasicIcfg [2021-08-26 14:26:57,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 14:26:57,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 14:26:57,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 14:26:57,164 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 14:26:57,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:26:48" (3/4) ... [2021-08-26 14:26:57,165 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-26 14:26:57,250 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 14:26:57,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 14:26:57,251 INFO L168 Benchmark]: Toolchain (without parser) took 10452.07 ms. Allocated memory was 65.0 MB in the beginning and 394.3 MB in the end (delta: 329.3 MB). Free memory was 46.2 MB in the beginning and 190.9 MB in the end (delta: -144.7 MB). Peak memory consumption was 183.2 MB. Max. memory is 16.1 GB. [2021-08-26 14:26:57,252 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 65.0 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 14:26:57,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.69 ms. Allocated memory is still 65.0 MB. Free memory was 46.0 MB in the beginning and 35.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-08-26 14:26:57,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.83 ms. Allocated memory is still 65.0 MB. Free memory was 35.1 MB in the beginning and 31.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:26:57,252 INFO L168 Benchmark]: Boogie Preprocessor took 40.88 ms. Allocated memory is still 65.0 MB. Free memory was 31.9 MB in the beginning and 29.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 14:26:57,253 INFO L168 Benchmark]: RCFGBuilder took 1574.47 ms. Allocated memory was 65.0 MB in the beginning and 107.0 MB in the end (delta: 41.9 MB). Free memory was 29.3 MB in the beginning and 75.6 MB in the end (delta: -46.3 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-08-26 14:26:57,254 INFO L168 Benchmark]: TraceAbstraction took 8171.17 ms. Allocated memory was 107.0 MB in the beginning and 394.3 MB in the end (delta: 287.3 MB). Free memory was 74.6 MB in the beginning and 217.1 MB in the end (delta: -142.5 MB). Peak memory consumption was 145.8 MB. Max. memory is 16.1 GB. [2021-08-26 14:26:57,255 INFO L168 Benchmark]: Witness Printer took 86.71 ms. Allocated memory is still 394.3 MB. Free memory was 217.1 MB in the beginning and 190.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-08-26 14:26:57,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 65.0 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 493.69 ms. Allocated memory is still 65.0 MB. Free memory was 46.0 MB in the beginning and 35.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.83 ms. Allocated memory is still 65.0 MB. Free memory was 35.1 MB in the beginning and 31.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.88 ms. Allocated memory is still 65.0 MB. Free memory was 31.9 MB in the beginning and 29.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1574.47 ms. Allocated memory was 65.0 MB in the beginning and 107.0 MB in the end (delta: 41.9 MB). Free memory was 29.3 MB in the beginning and 75.6 MB in the end (delta: -46.3 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8171.17 ms. Allocated memory was 107.0 MB in the beginning and 394.3 MB in the end (delta: 287.3 MB). Free memory was 74.6 MB in the beginning and 217.1 MB in the end (delta: -142.5 MB). Peak memory consumption was 145.8 MB. Max. memory is 16.1 GB. * Witness Printer took 86.71 ms. Allocated memory is still 394.3 MB. Free memory was 217.1 MB in the beginning and 190.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4965.1ms, 140 PlacesBefore, 45 PlacesAfterwards, 129 TransitionsBefore, 32 TransitionsAfterwards, 2794 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 110 TotalNumberOfCompositions, 6887 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4007, positive: 3808, positive conditional: 0, positive unconditional: 3808, negative: 199, negative conditional: 0, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2096, positive: 2046, positive conditional: 0, positive unconditional: 2046, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2096, positive: 2024, positive conditional: 0, positive unconditional: 2024, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 392, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 358, negative conditional: 0, negative unconditional: 358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4007, positive: 1762, positive conditional: 0, positive unconditional: 1762, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 2096, unknown conditional: 0, unknown unconditional: 2096] , Statistics on independence cache: Total cache size (in pairs): 232, Positive cache size: 212, Positive conditional cache size: 0, Positive unconditional cache size: 212, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - 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_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 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 main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L869] 0 pthread_t t381; [L870] FCALL, FORK 0 pthread_create(&t381, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L871] 0 pthread_t t382; [L872] FCALL, FORK 0 pthread_create(&t382, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 pthread_t t383; [L874] FCALL, FORK 0 pthread_create(&t383, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] 0 pthread_t t384; [L876] FCALL, FORK 0 pthread_create(&t384, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L815] 4 z$w_buff1 = z$w_buff0 [L816] 4 z$w_buff0 = 1 [L817] 4 z$w_buff1_used = z$w_buff0_used [L818] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L820] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L821] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L822] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L823] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L824] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L828] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L829] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L830] 4 z$flush_delayed = weak$$choice2 [L831] 4 z$mem_tmp = z [L832] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L832] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L832] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L833] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L833] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L834] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L834] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L835] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L835] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L836] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L837] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L838] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 __unbuffered_p3_EAX = z [L840] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L840] 4 z = z$flush_delayed ? z$mem_tmp : z [L841] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L844] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L769] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L772] 2 __unbuffered_p1_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_p1_EBX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L782] 2 return 0; [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 z$flush_delayed = weak$$choice2 [L793] 3 z$mem_tmp = z [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L794] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L795] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L795] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L795] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L796] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L796] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L796] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L797] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L797] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L797] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L797] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L798] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L798] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L799] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L799] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L799] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L800] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EAX = z [L802] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L802] 3 z = z$flush_delayed ? z$mem_tmp : z [L803] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L847] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L847] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L848] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L848] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L849] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L850] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L851] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L851] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) [L882] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L882] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L882] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L882] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L883] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L883] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L884] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L884] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L885] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L885] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L886] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L886] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - 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: 876]: 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: 874]: 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: 872]: 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: 870]: 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, 164 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7959.1ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 37.0ms, AutomataDifference: 741.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5078.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 413 SDtfs, 686 SDslu, 547 SDs, 0 SdLazy, 200 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 231.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 251.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2826occurred in iteration=2, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 410.6ms AutomataMinimizationTime, 13 MinimizatonAttempts, 1239 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 42.8ms SsaConstructionTime, 543.1ms SatisfiabilityAnalysisTime, 828.9ms InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 2011 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-26 14:26:57,291 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...