./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi000_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 997cd7c3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/rfi000_tso.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9235f057f844757892a07fb15ce9106ec455478 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-997cd7c-m [2021-09-22 14:45:58,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-09-22 14:45:58,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-09-22 14:45:58,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-09-22 14:45:58,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-09-22 14:45:58,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-09-22 14:45:58,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-09-22 14:45:58,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-09-22 14:45:58,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-09-22 14:45:58,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-09-22 14:45:58,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-09-22 14:45:58,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-09-22 14:45:58,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-09-22 14:45:58,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-09-22 14:45:58,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-09-22 14:45:58,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-09-22 14:45:58,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-09-22 14:45:58,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-09-22 14:45:58,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-09-22 14:45:58,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-09-22 14:45:58,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-09-22 14:45:58,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-09-22 14:45:58,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-09-22 14:45:58,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-09-22 14:45:58,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-09-22 14:45:58,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-09-22 14:45:58,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-09-22 14:45:58,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-09-22 14:45:58,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-09-22 14:45:58,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-09-22 14:45:58,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-09-22 14:45:58,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-09-22 14:45:58,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-09-22 14:45:58,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-09-22 14:45:58,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-09-22 14:45:58,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-09-22 14:45:58,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-09-22 14:45:58,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-09-22 14:45:58,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-09-22 14:45:58,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-09-22 14:45:58,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-09-22 14:45:58,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-09-22 14:45:58,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-09-22 14:45:58,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-09-22 14:45:58,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-09-22 14:45:58,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-09-22 14:45:58,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-09-22 14:45:58,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-09-22 14:45:58,253 INFO L138 SettingsManager]: * Use SBE=true [2021-09-22 14:45:58,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-09-22 14:45:58,253 INFO L138 SettingsManager]: * sizeof long=4 [2021-09-22 14:45:58,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-09-22 14:45:58,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-09-22 14:45:58,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-09-22 14:45:58,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-09-22 14:45:58,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-09-22 14:45:58,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-09-22 14:45:58,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-09-22 14:45:58,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-09-22 14:45:58,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-09-22 14:45:58,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-09-22 14:45:58,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-09-22 14:45:58,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-09-22 14:45:58,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-09-22 14:45:58,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:45:58,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-09-22 14:45:58,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-09-22 14:45:58,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-09-22 14:45:58,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-09-22 14:45:58,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-09-22 14:45:58,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-09-22 14:45:58,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-09-22 14:45:58,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9235f057f844757892a07fb15ce9106ec455478 [2021-09-22 14:45:58,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-09-22 14:45:58,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-09-22 14:45:58,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-09-22 14:45:58,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-09-22 14:45:58,617 INFO L275 PluginConnector]: CDTParser initialized [2021-09-22 14:45:58,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi000_tso.oepc.i [2021-09-22 14:45:58,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d277f277d/cf2f08a9e0294edfa9c02cc80e1f43c4/FLAG6e4d94430 [2021-09-22 14:45:59,182 INFO L306 CDTParser]: Found 1 translation units. [2021-09-22 14:45:59,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi000_tso.oepc.i [2021-09-22 14:45:59,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d277f277d/cf2f08a9e0294edfa9c02cc80e1f43c4/FLAG6e4d94430 [2021-09-22 14:45:59,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d277f277d/cf2f08a9e0294edfa9c02cc80e1f43c4 [2021-09-22 14:45:59,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-09-22 14:45:59,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-09-22 14:45:59,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-09-22 14:45:59,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-09-22 14:45:59,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-09-22 14:45:59,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:45:59" (1/1) ... [2021-09-22 14:45:59,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f124e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:45:59, skipping insertion in model container [2021-09-22 14:45:59,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:45:59" (1/1) ... [2021-09-22 14:45:59,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-09-22 14:45:59,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-09-22 14:45:59,714 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/rfi000_tso.oepc.i[949,962] [2021-09-22 14:45:59,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:45:59,991 INFO L203 MainTranslator]: Completed pre-run [2021-09-22 14:46:00,002 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/rfi000_tso.oepc.i[949,962] [2021-09-22 14:46:00,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-09-22 14:46:00,119 INFO L208 MainTranslator]: Completed translation [2021-09-22 14:46:00,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00 WrapperNode [2021-09-22 14:46:00,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-09-22 14:46:00,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-09-22 14:46:00,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-09-22 14:46:00,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-09-22 14:46:00,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-09-22 14:46:00,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-09-22 14:46:00,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-09-22 14:46:00,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-09-22 14:46:00,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-09-22 14:46:00,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-09-22 14:46:00,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-09-22 14:46:00,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-09-22 14:46:00,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (1/1) ... [2021-09-22 14:46:00,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-09-22 14:46:00,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-09-22 14:46:00,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-09-22 14:46:00,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-09-22 14:46:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-09-22 14:46:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-09-22 14:46:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-09-22 14:46:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-09-22 14:46:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-09-22 14:46:00,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-09-22 14:46:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-09-22 14:46:00,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-09-22 14:46:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-09-22 14:46:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-09-22 14:46:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-09-22 14:46:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-09-22 14:46:00,376 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-09-22 14:46:02,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-09-22 14:46:02,859 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-09-22 14:46:02,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:46:02 BoogieIcfgContainer [2021-09-22 14:46:02,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-09-22 14:46:02,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-09-22 14:46:02,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-09-22 14:46:02,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-09-22 14:46:02,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 02:45:59" (1/3) ... [2021-09-22 14:46:02,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1388664a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:46:02, skipping insertion in model container [2021-09-22 14:46:02,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:46:00" (2/3) ... [2021-09-22 14:46:02,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1388664a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:46:02, skipping insertion in model container [2021-09-22 14:46:02,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:46:02" (3/3) ... [2021-09-22 14:46:02,869 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi000_tso.oepc.i [2021-09-22 14:46:02,873 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-09-22 14:46:02,874 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-09-22 14:46:02,874 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-09-22 14:46:02,874 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-09-22 14:46:02,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,912 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,912 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,913 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,913 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,920 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,920 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,930 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,931 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,933 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,940 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,941 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,942 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,943 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,944 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,945 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,946 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,958 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,959 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,960 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,960 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,971 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,973 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,973 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,975 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-09-22 14:46:02,977 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-09-22 14:46:03,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-09-22 14:46:03,020 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-09-22 14:46:03,020 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-09-22 14:46:03,032 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-09-22 14:46:03,041 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 89 transitions, 188 flow [2021-09-22 14:46:03,044 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 89 transitions, 188 flow [2021-09-22 14:46:03,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 89 transitions, 188 flow [2021-09-22 14:46:03,076 INFO L129 PetriNetUnfolder]: 2/87 cut-off events. [2021-09-22 14:46:03,077 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-09-22 14:46:03,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 87 events. 2/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2021-09-22 14:46:03,081 INFO L116 LiptonReduction]: Number of co-enabled transitions 1122 [2021-09-22 14:46:17,097 INFO L131 LiptonReduction]: Checked pairs total: 3324 [2021-09-22 14:46:17,097 INFO L133 LiptonReduction]: Total number of compositions: 77 [2021-09-22 14:46:17,104 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions, 52 flow [2021-09-22 14:46:17,122 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 187 states, 184 states have (on average 2.4184782608695654) internal successors, (445), 186 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 184 states have (on average 2.4184782608695654) internal successors, (445), 186 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-09-22 14:46:17,129 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:17,129 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-09-22 14:46:17,130 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:17,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:17,134 INFO L82 PathProgramCache]: Analyzing trace with hash -43788234, now seen corresponding path program 1 times [2021-09-22 14:46:17,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:17,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980882747] [2021-09-22 14:46:17,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:17,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:17,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:17,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980882747] [2021-09-22 14:46:17,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980882747] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:17,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:17,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-09-22 14:46:17,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78286041] [2021-09-22 14:46:17,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:46:17,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:17,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:46:17,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:46:17,405 INFO L87 Difference]: Start difference. First operand has 187 states, 184 states have (on average 2.4184782608695654) internal successors, (445), 186 states have internal predecessors, (445), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:17,462 INFO L93 Difference]: Finished difference Result 162 states and 380 transitions. [2021-09-22 14:46:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:46:17,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-09-22 14:46:17,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:17,472 INFO L225 Difference]: With dead ends: 162 [2021-09-22 14:46:17,472 INFO L226 Difference]: Without dead ends: 152 [2021-09-22 14:46:17,473 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:46:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-09-22 14:46:17,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-09-22 14:46:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 2.3642384105960264) internal successors, (357), 151 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 357 transitions. [2021-09-22 14:46:17,509 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 357 transitions. Word has length 6 [2021-09-22 14:46:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:17,509 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 357 transitions. [2021-09-22 14:46:17,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 357 transitions. [2021-09-22 14:46:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-09-22 14:46:17,510 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:17,511 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:17,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-09-22 14:46:17,511 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:17,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1357386455, now seen corresponding path program 1 times [2021-09-22 14:46:17,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:17,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55990117] [2021-09-22 14:46:17,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:17,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:17,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:17,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55990117] [2021-09-22 14:46:17,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55990117] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:17,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:17,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-22 14:46:17,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868124325] [2021-09-22 14:46:17,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-22 14:46:17,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:17,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-22 14:46:17,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-09-22 14:46:17,656 INFO L87 Difference]: Start difference. First operand 152 states and 357 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:17,704 INFO L93 Difference]: Finished difference Result 150 states and 351 transitions. [2021-09-22 14:46:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:46:17,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2021-09-22 14:46:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:17,709 INFO L225 Difference]: With dead ends: 150 [2021-09-22 14:46:17,709 INFO L226 Difference]: Without dead ends: 150 [2021-09-22 14:46:17,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-09-22 14:46:17,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-09-22 14:46:17,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2021-09-22 14:46:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 149 states have (on average 2.3557046979865772) internal successors, (351), 149 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 351 transitions. [2021-09-22 14:46:17,732 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 351 transitions. Word has length 7 [2021-09-22 14:46:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:17,733 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 351 transitions. [2021-09-22 14:46:17,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 351 transitions. [2021-09-22 14:46:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-09-22 14:46:17,734 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:17,734 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:17,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-09-22 14:46:17,735 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:17,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:17,735 INFO L82 PathProgramCache]: Analyzing trace with hash 880714509, now seen corresponding path program 1 times [2021-09-22 14:46:17,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:17,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757397950] [2021-09-22 14:46:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:17,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:17,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:17,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757397950] [2021-09-22 14:46:17,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757397950] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:17,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:17,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-09-22 14:46:17,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650778070] [2021-09-22 14:46:17,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:46:17,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:17,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:46:17,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:46:17,800 INFO L87 Difference]: Start difference. First operand 150 states and 351 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:17,808 INFO L93 Difference]: Finished difference Result 137 states and 315 transitions. [2021-09-22 14:46:17,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:46:17,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-09-22 14:46:17,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:17,810 INFO L225 Difference]: With dead ends: 137 [2021-09-22 14:46:17,810 INFO L226 Difference]: Without dead ends: 137 [2021-09-22 14:46:17,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:46:17,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-09-22 14:46:17,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-09-22 14:46:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 2.3161764705882355) internal successors, (315), 136 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 315 transitions. [2021-09-22 14:46:17,815 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 315 transitions. Word has length 8 [2021-09-22 14:46:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:17,816 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 315 transitions. [2021-09-22 14:46:17,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 315 transitions. [2021-09-22 14:46:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-09-22 14:46:17,817 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:17,817 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:17,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-09-22 14:46:17,817 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:17,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:17,818 INFO L82 PathProgramCache]: Analyzing trace with hash -816766641, now seen corresponding path program 1 times [2021-09-22 14:46:17,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:17,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433030581] [2021-09-22 14:46:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:17,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:17,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:17,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433030581] [2021-09-22 14:46:17,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433030581] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:17,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:17,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-09-22 14:46:17,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23687919] [2021-09-22 14:46:17,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:46:17,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:17,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:46:17,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:46:17,903 INFO L87 Difference]: Start difference. First operand 137 states and 315 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:17,918 INFO L93 Difference]: Finished difference Result 132 states and 301 transitions. [2021-09-22 14:46:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:46:17,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-09-22 14:46:17,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:17,919 INFO L225 Difference]: With dead ends: 132 [2021-09-22 14:46:17,919 INFO L226 Difference]: Without dead ends: 132 [2021-09-22 14:46:17,920 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:46:17,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-09-22 14:46:17,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2021-09-22 14:46:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 2.2977099236641223) internal successors, (301), 131 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 301 transitions. [2021-09-22 14:46:17,931 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 301 transitions. Word has length 10 [2021-09-22 14:46:17,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:17,931 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 301 transitions. [2021-09-22 14:46:17,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 301 transitions. [2021-09-22 14:46:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-09-22 14:46:17,933 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:17,933 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:17,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-09-22 14:46:17,933 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:17,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:17,935 INFO L82 PathProgramCache]: Analyzing trace with hash 450037228, now seen corresponding path program 1 times [2021-09-22 14:46:17,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:17,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926533989] [2021-09-22 14:46:17,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:17,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:18,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:18,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926533989] [2021-09-22 14:46:18,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926533989] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:18,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:18,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-09-22 14:46:18,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618367447] [2021-09-22 14:46:18,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-09-22 14:46:18,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:18,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-09-22 14:46:18,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-09-22 14:46:18,240 INFO L87 Difference]: Start difference. First operand 132 states and 301 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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) [2021-09-22 14:46:18,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:18,343 INFO L93 Difference]: Finished difference Result 129 states and 293 transitions. [2021-09-22 14:46:18,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-09-22 14:46:18,343 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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 [2021-09-22 14:46:18,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:18,344 INFO L225 Difference]: With dead ends: 129 [2021-09-22 14:46:18,344 INFO L226 Difference]: Without dead ends: 129 [2021-09-22 14:46:18,345 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 87.4ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-09-22 14:46:18,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-09-22 14:46:18,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-09-22 14:46:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 2.2890625) internal successors, (293), 128 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 293 transitions. [2021-09-22 14:46:18,349 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 293 transitions. Word has length 11 [2021-09-22 14:46:18,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:18,350 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 293 transitions. [2021-09-22 14:46:18,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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) [2021-09-22 14:46:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 293 transitions. [2021-09-22 14:46:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-09-22 14:46:18,351 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:18,351 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:18,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-09-22 14:46:18,352 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:18,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:18,352 INFO L82 PathProgramCache]: Analyzing trace with hash -2140919344, now seen corresponding path program 1 times [2021-09-22 14:46:18,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:18,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350636984] [2021-09-22 14:46:18,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:18,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:18,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:18,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350636984] [2021-09-22 14:46:18,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350636984] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:18,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:18,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-09-22 14:46:18,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593277086] [2021-09-22 14:46:18,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-09-22 14:46:18,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:18,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-09-22 14:46:18,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-09-22 14:46:18,645 INFO L87 Difference]: Start difference. First operand 129 states and 293 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:18,868 INFO L93 Difference]: Finished difference Result 156 states and 325 transitions. [2021-09-22 14:46:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-09-22 14:46:18,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-09-22 14:46:18,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:18,869 INFO L225 Difference]: With dead ends: 156 [2021-09-22 14:46:18,869 INFO L226 Difference]: Without dead ends: 113 [2021-09-22 14:46:18,869 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 144.3ms TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-09-22 14:46:18,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-09-22 14:46:18,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-09-22 14:46:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 2.1875) internal successors, (245), 112 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 245 transitions. [2021-09-22 14:46:18,873 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 245 transitions. Word has length 12 [2021-09-22 14:46:18,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:18,873 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 245 transitions. [2021-09-22 14:46:18,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 245 transitions. [2021-09-22 14:46:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-09-22 14:46:18,874 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:18,874 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:18,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-09-22 14:46:18,875 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:18,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:18,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1691682804, now seen corresponding path program 2 times [2021-09-22 14:46:18,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:18,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609254938] [2021-09-22 14:46:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:18,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:18,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:18,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609254938] [2021-09-22 14:46:18,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609254938] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:18,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:18,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-09-22 14:46:18,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217104978] [2021-09-22 14:46:18,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-09-22 14:46:18,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:18,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-09-22 14:46:18,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-09-22 14:46:18,969 INFO L87 Difference]: Start difference. First operand 113 states and 245 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:18,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:18,985 INFO L93 Difference]: Finished difference Result 100 states and 187 transitions. [2021-09-22 14:46:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-09-22 14:46:18,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-09-22 14:46:18,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:18,986 INFO L225 Difference]: With dead ends: 100 [2021-09-22 14:46:18,986 INFO L226 Difference]: Without dead ends: 75 [2021-09-22 14:46:18,987 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:46:18,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-09-22 14:46:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-09-22 14:46:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.7702702702702702) internal successors, (131), 74 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 131 transitions. [2021-09-22 14:46:18,989 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 131 transitions. Word has length 12 [2021-09-22 14:46:18,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:18,989 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 131 transitions. [2021-09-22 14:46:18,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 131 transitions. [2021-09-22 14:46:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-22 14:46:18,990 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:18,991 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:18,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-09-22 14:46:18,991 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:18,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:18,991 INFO L82 PathProgramCache]: Analyzing trace with hash -967963220, now seen corresponding path program 1 times [2021-09-22 14:46:18,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:18,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617740712] [2021-09-22 14:46:18,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:18,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:19,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:19,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617740712] [2021-09-22 14:46:19,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617740712] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:19,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:19,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-09-22 14:46:19,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780400441] [2021-09-22 14:46:19,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-09-22 14:46:19,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:19,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-09-22 14:46:19,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-09-22 14:46:19,325 INFO L87 Difference]: Start difference. First operand 75 states and 131 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:19,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:19,513 INFO L93 Difference]: Finished difference Result 114 states and 195 transitions. [2021-09-22 14:46:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-09-22 14:46:19,513 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-09-22 14:46:19,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:19,514 INFO L225 Difference]: With dead ends: 114 [2021-09-22 14:46:19,514 INFO L226 Difference]: Without dead ends: 96 [2021-09-22 14:46:19,514 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 134.8ms TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-09-22 14:46:19,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-09-22 14:46:19,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 85. [2021-09-22 14:46:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.7261904761904763) internal successors, (145), 84 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 145 transitions. [2021-09-22 14:46:19,517 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 145 transitions. Word has length 14 [2021-09-22 14:46:19,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:19,517 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 145 transitions. [2021-09-22 14:46:19,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2021-09-22 14:46:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-22 14:46:19,519 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:19,519 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:19,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-09-22 14:46:19,519 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:19,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:19,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1101256246, now seen corresponding path program 2 times [2021-09-22 14:46:19,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:19,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837799865] [2021-09-22 14:46:19,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:19,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:20,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:20,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837799865] [2021-09-22 14:46:20,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837799865] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:20,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:20,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-09-22 14:46:20,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540407207] [2021-09-22 14:46:20,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-09-22 14:46:20,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:20,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-09-22 14:46:20,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-09-22 14:46:20,101 INFO L87 Difference]: Start difference. First operand 85 states and 145 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:20,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:20,516 INFO L93 Difference]: Finished difference Result 143 states and 236 transitions. [2021-09-22 14:46:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-09-22 14:46:20,517 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-09-22 14:46:20,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:20,517 INFO L225 Difference]: With dead ends: 143 [2021-09-22 14:46:20,517 INFO L226 Difference]: Without dead ends: 115 [2021-09-22 14:46:20,518 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 368.3ms TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-09-22 14:46:20,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-09-22 14:46:20,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 91. [2021-09-22 14:46:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.7222222222222223) internal successors, (155), 90 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 155 transitions. [2021-09-22 14:46:20,521 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 155 transitions. Word has length 14 [2021-09-22 14:46:20,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:20,521 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 155 transitions. [2021-09-22 14:46:20,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2021-09-22 14:46:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-22 14:46:20,522 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:20,522 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:20,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-09-22 14:46:20,522 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:20,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:20,523 INFO L82 PathProgramCache]: Analyzing trace with hash -535620958, now seen corresponding path program 3 times [2021-09-22 14:46:20,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:20,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310934262] [2021-09-22 14:46:20,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:20,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:20,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:20,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310934262] [2021-09-22 14:46:20,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310934262] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:20,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:20,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-09-22 14:46:20,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799897315] [2021-09-22 14:46:20,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-09-22 14:46:20,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:20,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-09-22 14:46:20,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-09-22 14:46:20,993 INFO L87 Difference]: Start difference. First operand 91 states and 155 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:21,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:21,570 INFO L93 Difference]: Finished difference Result 168 states and 278 transitions. [2021-09-22 14:46:21,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-09-22 14:46:21,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-09-22 14:46:21,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:21,572 INFO L225 Difference]: With dead ends: 168 [2021-09-22 14:46:21,572 INFO L226 Difference]: Without dead ends: 150 [2021-09-22 14:46:21,572 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 482.2ms TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-09-22 14:46:21,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-09-22 14:46:21,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 89. [2021-09-22 14:46:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.7159090909090908) internal successors, (151), 88 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 151 transitions. [2021-09-22 14:46:21,576 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 151 transitions. Word has length 14 [2021-09-22 14:46:21,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:21,576 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 151 transitions. [2021-09-22 14:46:21,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 151 transitions. [2021-09-22 14:46:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-09-22 14:46:21,577 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:21,577 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:21,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-09-22 14:46:21,577 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:21,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:21,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1392116904, now seen corresponding path program 4 times [2021-09-22 14:46:21,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:21,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335659208] [2021-09-22 14:46:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:21,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:21,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:21,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:21,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335659208] [2021-09-22 14:46:21,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335659208] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:21,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:21,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-09-22 14:46:21,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147114761] [2021-09-22 14:46:21,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-09-22 14:46:21,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:21,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-09-22 14:46:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-09-22 14:46:21,658 INFO L87 Difference]: Start difference. First operand 89 states and 151 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:21,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:21,683 INFO L93 Difference]: Finished difference Result 72 states and 115 transitions. [2021-09-22 14:46:21,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-09-22 14:46:21,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-09-22 14:46:21,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:21,684 INFO L225 Difference]: With dead ends: 72 [2021-09-22 14:46:21,684 INFO L226 Difference]: Without dead ends: 42 [2021-09-22 14:46:21,684 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-09-22 14:46:21,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-09-22 14:46:21,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2021-09-22 14:46:21,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 41 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 63 transitions. [2021-09-22 14:46:21,686 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 63 transitions. Word has length 14 [2021-09-22 14:46:21,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:21,687 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 63 transitions. [2021-09-22 14:46:21,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2021-09-22 14:46:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-09-22 14:46:21,687 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:21,688 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:21,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-09-22 14:46:21,688 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:21,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:21,688 INFO L82 PathProgramCache]: Analyzing trace with hash -504995582, now seen corresponding path program 1 times [2021-09-22 14:46:21,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:21,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928216639] [2021-09-22 14:46:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:21,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:22,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:22,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928216639] [2021-09-22 14:46:22,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928216639] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:22,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:22,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-09-22 14:46:22,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354727325] [2021-09-22 14:46:22,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-09-22 14:46:22,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:22,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-09-22 14:46:22,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-09-22 14:46:22,070 INFO L87 Difference]: Start difference. First operand 42 states and 63 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:22,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:22,329 INFO L93 Difference]: Finished difference Result 60 states and 87 transitions. [2021-09-22 14:46:22,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-09-22 14:46:22,330 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-09-22 14:46:22,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:22,330 INFO L225 Difference]: With dead ends: 60 [2021-09-22 14:46:22,330 INFO L226 Difference]: Without dead ends: 48 [2021-09-22 14:46:22,331 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 271.7ms TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-09-22 14:46:22,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-09-22 14:46:22,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2021-09-22 14:46:22,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.5348837209302326) internal successors, (66), 43 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 66 transitions. [2021-09-22 14:46:22,332 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 66 transitions. Word has length 17 [2021-09-22 14:46:22,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:22,332 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 66 transitions. [2021-09-22 14:46:22,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2021-09-22 14:46:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-09-22 14:46:22,333 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:22,333 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:22,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-09-22 14:46:22,333 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:22,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:22,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1187054544, now seen corresponding path program 2 times [2021-09-22 14:46:22,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:22,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686495364] [2021-09-22 14:46:22,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:22,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:22,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:22,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686495364] [2021-09-22 14:46:22,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686495364] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:22,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:22,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-09-22 14:46:22,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569083176] [2021-09-22 14:46:22,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-09-22 14:46:22,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:22,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-09-22 14:46:22,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-09-22 14:46:22,816 INFO L87 Difference]: Start difference. First operand 44 states and 66 transitions. Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:23,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:23,085 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-09-22 14:46:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-09-22 14:46:23,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-09-22 14:46:23,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:23,086 INFO L225 Difference]: With dead ends: 56 [2021-09-22 14:46:23,086 INFO L226 Difference]: Without dead ends: 34 [2021-09-22 14:46:23,086 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 320.7ms TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-09-22 14:46:23,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-09-22 14:46:23,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-09-22 14:46:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 33 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2021-09-22 14:46:23,087 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 17 [2021-09-22 14:46:23,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:23,087 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2021-09-22 14:46:23,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2021-09-22 14:46:23,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-09-22 14:46:23,088 INFO L504 BasicCegarLoop]: Found error trace [2021-09-22 14:46:23,088 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-09-22 14:46:23,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-09-22 14:46:23,088 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-09-22 14:46:23,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-09-22 14:46:23,088 INFO L82 PathProgramCache]: Analyzing trace with hash -812041952, now seen corresponding path program 3 times [2021-09-22 14:46:23,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-09-22 14:46:23,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134722857] [2021-09-22 14:46:23,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-09-22 14:46:23,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-09-22 14:46:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-09-22 14:46:23,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-09-22 14:46:23,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-09-22 14:46:23,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134722857] [2021-09-22 14:46:23,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134722857] provided 1 perfect and 0 imperfect interpolant sequences [2021-09-22 14:46:23,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-09-22 14:46:23,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-09-22 14:46:23,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108197196] [2021-09-22 14:46:23,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-09-22 14:46:23,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-09-22 14:46:23,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-09-22 14:46:23,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:46:23,151 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:23,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-09-22 14:46:23,155 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2021-09-22 14:46:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-09-22 14:46:23,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-09-22 14:46:23,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-09-22 14:46:23,156 INFO L225 Difference]: With dead ends: 33 [2021-09-22 14:46:23,156 INFO L226 Difference]: Without dead ends: 0 [2021-09-22 14:46:23,157 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-09-22 14:46:23,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-09-22 14:46:23,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-09-22 14:46:23,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-09-22 14:46:23,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-09-22 14:46:23,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-09-22 14:46:23,158 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-09-22 14:46:23,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-09-22 14:46:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-09-22 14:46:23,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-09-22 14:46:23,160 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:46:23,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:46:23,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-09-22 14:46:23,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-09-22 14:46:23,161 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-09-22 14:46:23,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-09-22 14:46:23,166 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-09-22 14:46:23,166 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-09-22 14:46:23,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 02:46:23 BasicIcfg [2021-09-22 14:46:23,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-09-22 14:46:23,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-09-22 14:46:23,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-09-22 14:46:23,169 INFO L275 PluginConnector]: Witness Printer initialized [2021-09-22 14:46:23,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:46:02" (3/4) ... [2021-09-22 14:46:23,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-09-22 14:46:23,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-09-22 14:46:23,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-09-22 14:46:23,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2021-09-22 14:46:23,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-09-22 14:46:23,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-09-22 14:46:23,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-09-22 14:46:23,246 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-09-22 14:46:23,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-09-22 14:46:23,248 INFO L168 Benchmark]: Toolchain (without parser) took 23743.57 ms. Allocated memory was 56.6 MB in the beginning and 239.1 MB in the end (delta: 182.5 MB). Free memory was 34.0 MB in the beginning and 161.5 MB in the end (delta: -127.5 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-09-22 14:46:23,248 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 38.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-09-22 14:46:23,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.92 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.8 MB in the beginning and 38.1 MB in the end (delta: -4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-09-22 14:46:23,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.57 ms. Allocated memory is still 69.2 MB. Free memory was 38.1 MB in the beginning and 51.5 MB in the end (delta: -13.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:46:23,250 INFO L168 Benchmark]: Boogie Preprocessor took 71.06 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 48.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-09-22 14:46:23,250 INFO L168 Benchmark]: RCFGBuilder took 2573.96 ms. Allocated memory was 69.2 MB in the beginning and 115.3 MB in the end (delta: 46.1 MB). Free memory was 48.5 MB in the beginning and 85.6 MB in the end (delta: -37.1 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2021-09-22 14:46:23,250 INFO L168 Benchmark]: TraceAbstraction took 20305.89 ms. Allocated memory was 115.3 MB in the beginning and 239.1 MB in the end (delta: 123.7 MB). Free memory was 85.6 MB in the beginning and 169.9 MB in the end (delta: -84.3 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-09-22 14:46:23,250 INFO L168 Benchmark]: Witness Printer took 77.66 ms. Allocated memory is still 239.1 MB. Free memory was 169.9 MB in the beginning and 161.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-09-22 14:46:23,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 38.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 613.92 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.8 MB in the beginning and 38.1 MB in the end (delta: -4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.57 ms. Allocated memory is still 69.2 MB. Free memory was 38.1 MB in the beginning and 51.5 MB in the end (delta: -13.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.06 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 48.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2573.96 ms. Allocated memory was 69.2 MB in the beginning and 115.3 MB in the end (delta: 46.1 MB). Free memory was 48.5 MB in the beginning and 85.6 MB in the end (delta: -37.1 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20305.89 ms. Allocated memory was 115.3 MB in the beginning and 239.1 MB in the end (delta: 123.7 MB). Free memory was 85.6 MB in the beginning and 169.9 MB in the end (delta: -84.3 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * Witness Printer took 77.66 ms. Allocated memory is still 239.1 MB. Free memory was 169.9 MB in the beginning and 161.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14053.8ms, 94 PlacesBefore, 28 PlacesAfterwards, 89 TransitionsBefore, 21 TransitionsAfterwards, 1122 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 77 TotalNumberOfCompositions, 3324 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1316, positive: 1149, positive conditional: 0, positive unconditional: 1149, negative: 167, negative conditional: 0, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 791, positive: 737, positive conditional: 0, positive unconditional: 737, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 791, positive: 726, positive conditional: 0, positive unconditional: 726, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 65, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 546, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 509, negative conditional: 0, negative unconditional: 509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1316, positive: 412, positive conditional: 0, positive unconditional: 412, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 791, unknown conditional: 0, unknown unconditional: 791] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - 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 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 109 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 20152.3ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 15.6ms, AutomataDifference: 2269.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14101.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 254 SDtfs, 314 SDslu, 491 SDs, 0 SdLazy, 641 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 861.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1849.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 85.3ms AutomataMinimizationTime, 14 MinimizatonAttempts, 100 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 57.8ms SsaConstructionTime, 658.3ms SatisfiabilityAnalysisTime, 2693.4ms InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 2337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-09-22 14:46:23,300 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...