./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix045_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/mix045_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 870ae97b49a86bb76d7faef1a4b6153ee575bfcf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 22:16:08,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 22:16:08,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 22:16:08,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 22:16:08,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 22:16:08,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 22:16:08,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 22:16:08,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 22:16:08,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 22:16:08,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 22:16:08,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 22:16:08,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 22:16:08,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 22:16:08,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 22:16:08,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 22:16:08,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 22:16:08,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 22:16:08,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 22:16:08,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 22:16:08,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 22:16:08,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 22:16:08,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 22:16:08,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 22:16:08,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 22:16:08,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 22:16:08,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 22:16:08,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 22:16:08,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 22:16:08,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 22:16:08,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 22:16:08,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 22:16:08,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 22:16:08,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 22:16:08,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 22:16:08,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 22:16:08,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 22:16:08,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 22:16:08,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 22:16:08,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 22:16:08,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 22:16:08,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 22:16:08,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 22:16:08,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 22:16:08,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 22:16:08,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 22:16:08,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 22:16:08,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 22:16:08,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 22:16:08,464 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 22:16:08,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 22:16:08,464 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 22:16:08,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 22:16:08,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 22:16:08,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 22:16:08,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 22:16:08,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 22:16:08,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 22:16:08,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 22:16:08,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 22:16:08,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 22:16:08,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 22:16:08,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 22:16:08,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 22:16:08,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 22:16:08,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:16:08,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 22:16:08,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 22:16:08,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 22:16:08,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 22:16:08,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 22:16:08,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 22:16:08,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 22:16:08,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 870ae97b49a86bb76d7faef1a4b6153ee575bfcf [2021-08-29 22:16:08,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 22:16:08,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 22:16:08,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 22:16:08,745 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 22:16:08,745 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 22:16:08,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix045_rmo.oepc.i [2021-08-29 22:16:08,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8847ad6c/47c5a991f27548b6aed2156d11f1d33c/FLAG0134d4764 [2021-08-29 22:16:09,151 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 22:16:09,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix045_rmo.oepc.i [2021-08-29 22:16:09,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8847ad6c/47c5a991f27548b6aed2156d11f1d33c/FLAG0134d4764 [2021-08-29 22:16:09,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8847ad6c/47c5a991f27548b6aed2156d11f1d33c [2021-08-29 22:16:09,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 22:16:09,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 22:16:09,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 22:16:09,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 22:16:09,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 22:16:09,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:16:09" (1/1) ... [2021-08-29 22:16:09,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15852b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:09, skipping insertion in model container [2021-08-29 22:16:09,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:16:09" (1/1) ... [2021-08-29 22:16:09,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 22:16:09,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 22:16:09,737 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/mix045_rmo.oepc.i[949,962] [2021-08-29 22:16:09,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:16:09,948 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 22:16:09,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix045_rmo.oepc.i[949,962] [2021-08-29 22:16:10,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 22:16:10,044 INFO L208 MainTranslator]: Completed translation [2021-08-29 22:16:10,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10 WrapperNode [2021-08-29 22:16:10,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 22:16:10,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 22:16:10,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 22:16:10,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 22:16:10,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 22:16:10,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 22:16:10,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 22:16:10,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 22:16:10,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 22:16:10,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 22:16:10,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 22:16:10,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 22:16:10,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (1/1) ... [2021-08-29 22:16:10,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 22:16:10,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 22:16:10,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 22:16:10,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 22:16:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 22:16:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-29 22:16:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 22:16:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 22:16:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-29 22:16:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-29 22:16:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-29 22:16:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-29 22:16:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-29 22:16:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-29 22:16:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 22:16:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-29 22:16:10,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 22:16:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 22:16:10,224 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-29 22:16:10,683 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 22:16:10,683 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-29 22:16:10,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:16:10 BoogieIcfgContainer [2021-08-29 22:16:10,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 22:16:10,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 22:16:10,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 22:16:10,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 22:16:10,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 10:16:09" (1/3) ... [2021-08-29 22:16:10,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420c7b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:16:10, skipping insertion in model container [2021-08-29 22:16:10,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:16:10" (2/3) ... [2021-08-29 22:16:10,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420c7b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:16:10, skipping insertion in model container [2021-08-29 22:16:10,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:16:10" (3/3) ... [2021-08-29 22:16:10,690 INFO L111 eAbstractionObserver]: Analyzing ICFG mix045_rmo.oepc.i [2021-08-29 22:16:10,693 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-29 22:16:10,693 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 22:16:10,693 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-29 22:16:10,693 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-29 22:16:10,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,718 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,718 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,719 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,719 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,719 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,719 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,719 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,720 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,720 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,720 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,721 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,722 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,723 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,724 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,724 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,724 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,724 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,725 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,725 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,725 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,726 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,727 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,728 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,728 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,729 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,729 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,729 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,729 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,730 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,730 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,731 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,732 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,737 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,741 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,742 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,743 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,745 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,753 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-29 22:16:10,757 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-29 22:16:10,790 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 22:16:10,800 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 22:16:10,800 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-29 22:16:10,817 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-08-29 22:16:10,827 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 110 transitions, 235 flow [2021-08-29 22:16:10,829 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 110 transitions, 235 flow [2021-08-29 22:16:10,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 110 transitions, 235 flow [2021-08-29 22:16:10,890 INFO L129 PetriNetUnfolder]: 2/107 cut-off events. [2021-08-29 22:16:10,894 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-29 22:16:10,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2021-08-29 22:16:10,901 INFO L116 LiptonReduction]: Number of co-enabled transitions 2048 [2021-08-29 22:16:15,105 INFO L131 LiptonReduction]: Checked pairs total: 5725 [2021-08-29 22:16:15,106 INFO L133 LiptonReduction]: Total number of compositions: 92 [2021-08-29 22:16:15,112 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2021-08-29 22:16:15,146 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1034 states, 1031 states have (on average 3.3850630455868087) internal successors, (3490), 1033 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 1034 states, 1031 states have (on average 3.3850630455868087) internal successors, (3490), 1033 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-08-29 22:16:15,152 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:15,153 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-08-29 22:16:15,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:15,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:15,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1097181, now seen corresponding path program 1 times [2021-08-29 22:16:15,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:15,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427030611] [2021-08-29 22:16:15,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:15,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:15,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:15,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427030611] [2021-08-29 22:16:15,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427030611] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:15,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:15,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-29 22:16:15,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923289558] [2021-08-29 22:16:15,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 22:16:15,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:15,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 22:16:15,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:16:15,299 INFO L87 Difference]: Start difference. First operand has 1034 states, 1031 states have (on average 3.3850630455868087) internal successors, (3490), 1033 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:15,368 INFO L93 Difference]: Finished difference Result 842 states and 2654 transitions. [2021-08-29 22:16:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 22:16:15,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-08-29 22:16:15,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:15,383 INFO L225 Difference]: With dead ends: 842 [2021-08-29 22:16:15,384 INFO L226 Difference]: Without dead ends: 812 [2021-08-29 22:16:15,384 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 22:16:15,386 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 14 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.55ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.91ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:15,387 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 22 Invalid, 27 Unknown, 0 Unchecked, 0.55ms Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 25.91ms Time] [2021-08-29 22:16:15,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2021-08-29 22:16:15,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 812. [2021-08-29 22:16:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 811 states have (on average 3.1750924784217016) internal successors, (2575), 811 states have internal predecessors, (2575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 2575 transitions. [2021-08-29 22:16:15,473 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 2575 transitions. Word has length 3 [2021-08-29 22:16:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:15,474 INFO L470 AbstractCegarLoop]: Abstraction has 812 states and 2575 transitions. [2021-08-29 22:16:15,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 2575 transitions. [2021-08-29 22:16:15,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-29 22:16:15,475 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:15,475 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:15,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 22:16:15,476 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:15,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:15,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1052805704, now seen corresponding path program 1 times [2021-08-29 22:16:15,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:15,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479106964] [2021-08-29 22:16:15,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:15,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:15,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:15,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479106964] [2021-08-29 22:16:15,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479106964] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:15,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:15,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 22:16:15,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275550901] [2021-08-29 22:16:15,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:16:15,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:15,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:16:15,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:16:15,593 INFO L87 Difference]: Start difference. First operand 812 states and 2575 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-08-29 22:16:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:15,691 INFO L93 Difference]: Finished difference Result 1606 states and 4867 transitions. [2021-08-29 22:16:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:16:15,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2021-08-29 22:16:15,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:15,697 INFO L225 Difference]: With dead ends: 1606 [2021-08-29 22:16:15,697 INFO L226 Difference]: Without dead ends: 1186 [2021-08-29 22:16:15,697 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.77ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:16:15,698 INFO L928 BasicCegarLoop]: 21 mSDtfsCounter, 30 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.56ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:15,698 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 45 Invalid, 66 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 74.56ms Time] [2021-08-29 22:16:15,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2021-08-29 22:16:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 970. [2021-08-29 22:16:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 969 states have (on average 3.065015479876161) internal successors, (2970), 969 states have internal predecessors, (2970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 2970 transitions. [2021-08-29 22:16:15,724 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 2970 transitions. Word has length 10 [2021-08-29 22:16:15,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:15,725 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 2970 transitions. [2021-08-29 22:16:15,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-08-29 22:16:15,725 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 2970 transitions. [2021-08-29 22:16:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 22:16:15,726 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:15,726 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:15,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 22:16:15,727 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:15,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:15,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1415193674, now seen corresponding path program 1 times [2021-08-29 22:16:15,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:15,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767923710] [2021-08-29 22:16:15,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:15,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:15,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:15,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767923710] [2021-08-29 22:16:15,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767923710] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:15,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:15,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 22:16:15,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305975226] [2021-08-29 22:16:15,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:16:15,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:15,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:16:15,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:16:15,771 INFO L87 Difference]: Start difference. First operand 970 states and 2970 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:15,822 INFO L93 Difference]: Finished difference Result 1050 states and 3134 transitions. [2021-08-29 22:16:15,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:16:15,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 22:16:15,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:15,827 INFO L225 Difference]: With dead ends: 1050 [2021-08-29 22:16:15,827 INFO L226 Difference]: Without dead ends: 930 [2021-08-29 22:16:15,827 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.43ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:16:15,828 INFO L928 BasicCegarLoop]: 17 mSDtfsCounter, 23 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.80ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:15,828 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 41 Invalid, 48 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 38.80ms Time] [2021-08-29 22:16:15,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2021-08-29 22:16:15,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 915. [2021-08-29 22:16:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 914 states have (on average 3.060175054704595) internal successors, (2797), 914 states have internal predecessors, (2797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 2797 transitions. [2021-08-29 22:16:15,870 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 2797 transitions. Word has length 11 [2021-08-29 22:16:15,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:15,870 INFO L470 AbstractCegarLoop]: Abstraction has 915 states and 2797 transitions. [2021-08-29 22:16:15,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 2797 transitions. [2021-08-29 22:16:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 22:16:15,872 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:15,872 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:15,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 22:16:15,872 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:15,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1731837019, now seen corresponding path program 1 times [2021-08-29 22:16:15,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:15,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653519456] [2021-08-29 22:16:15,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:15,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:15,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:15,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653519456] [2021-08-29 22:16:15,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653519456] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:15,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:15,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:16:15,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430589627] [2021-08-29 22:16:15,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:16:15,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:15,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:16:15,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:16:15,927 INFO L87 Difference]: Start difference. First operand 915 states and 2797 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:16,017 INFO L93 Difference]: Finished difference Result 1242 states and 3599 transitions. [2021-08-29 22:16:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 22:16:16,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 22:16:16,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:16,022 INFO L225 Difference]: With dead ends: 1242 [2021-08-29 22:16:16,022 INFO L226 Difference]: Without dead ends: 1033 [2021-08-29 22:16:16,022 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.14ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:16:16,023 INFO L928 BasicCegarLoop]: 20 mSDtfsCounter, 54 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.60ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:16,023 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 54 Invalid, 71 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 66.60ms Time] [2021-08-29 22:16:16,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2021-08-29 22:16:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 802. [2021-08-29 22:16:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 801 states have (on average 3.016229712858926) internal successors, (2416), 801 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 2416 transitions. [2021-08-29 22:16:16,041 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 2416 transitions. Word has length 11 [2021-08-29 22:16:16,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:16,041 INFO L470 AbstractCegarLoop]: Abstraction has 802 states and 2416 transitions. [2021-08-29 22:16:16,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 2416 transitions. [2021-08-29 22:16:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-29 22:16:16,043 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:16,043 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:16,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 22:16:16,043 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:16,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:16,043 INFO L82 PathProgramCache]: Analyzing trace with hash 2147295622, now seen corresponding path program 1 times [2021-08-29 22:16:16,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:16,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054842338] [2021-08-29 22:16:16,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:16,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:16,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:16,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054842338] [2021-08-29 22:16:16,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054842338] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:16,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:16,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 22:16:16,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344149445] [2021-08-29 22:16:16,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:16:16,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:16,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:16:16,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:16:16,079 INFO L87 Difference]: Start difference. First operand 802 states and 2416 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:16,127 INFO L93 Difference]: Finished difference Result 886 states and 2599 transitions. [2021-08-29 22:16:16,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:16:16,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-29 22:16:16,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:16,131 INFO L225 Difference]: With dead ends: 886 [2021-08-29 22:16:16,131 INFO L226 Difference]: Without dead ends: 786 [2021-08-29 22:16:16,132 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.23ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:16:16,132 INFO L928 BasicCegarLoop]: 17 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.04ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:16,132 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 42 Invalid, 47 Unknown, 0 Unchecked, 0.59ms Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 38.04ms Time] [2021-08-29 22:16:16,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2021-08-29 22:16:16,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 786. [2021-08-29 22:16:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 785 states have (on average 3.0012738853503187) internal successors, (2356), 785 states have internal predecessors, (2356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 2356 transitions. [2021-08-29 22:16:16,147 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 2356 transitions. Word has length 12 [2021-08-29 22:16:16,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:16,148 INFO L470 AbstractCegarLoop]: Abstraction has 786 states and 2356 transitions. [2021-08-29 22:16:16,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 2356 transitions. [2021-08-29 22:16:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 22:16:16,149 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:16,149 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:16,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 22:16:16,149 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:16,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:16,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1784807428, now seen corresponding path program 1 times [2021-08-29 22:16:16,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:16,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277862512] [2021-08-29 22:16:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:16,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:16,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:16,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277862512] [2021-08-29 22:16:16,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277862512] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:16,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:16,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:16:16,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417726231] [2021-08-29 22:16:16,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:16:16,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:16,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:16:16,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:16:16,192 INFO L87 Difference]: Start difference. First operand 786 states and 2356 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:16,255 INFO L93 Difference]: Finished difference Result 690 states and 1788 transitions. [2021-08-29 22:16:16,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:16:16,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-29 22:16:16,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:16,258 INFO L225 Difference]: With dead ends: 690 [2021-08-29 22:16:16,258 INFO L226 Difference]: Without dead ends: 510 [2021-08-29 22:16:16,258 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.82ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:16:16,259 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.40ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.74ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:16,259 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 31 Invalid, 65 Unknown, 0 Unchecked, 0.40ms Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 54.74ms Time] [2021-08-29 22:16:16,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2021-08-29 22:16:16,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2021-08-29 22:16:16,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 509 states have (on average 2.5147347740667976) internal successors, (1280), 509 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1280 transitions. [2021-08-29 22:16:16,268 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1280 transitions. Word has length 13 [2021-08-29 22:16:16,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:16,268 INFO L470 AbstractCegarLoop]: Abstraction has 510 states and 1280 transitions. [2021-08-29 22:16:16,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1280 transitions. [2021-08-29 22:16:16,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 22:16:16,269 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:16,269 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:16,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 22:16:16,269 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:16,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:16,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1615140668, now seen corresponding path program 1 times [2021-08-29 22:16:16,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:16,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481166739] [2021-08-29 22:16:16,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:16,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:16,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:16,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481166739] [2021-08-29 22:16:16,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481166739] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:16,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:16,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:16:16,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853663987] [2021-08-29 22:16:16,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:16:16,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:16,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:16:16,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:16:16,330 INFO L87 Difference]: Start difference. First operand 510 states and 1280 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:16,411 INFO L93 Difference]: Finished difference Result 382 states and 872 transitions. [2021-08-29 22:16:16,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 22:16:16,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2021-08-29 22:16:16,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:16,412 INFO L225 Difference]: With dead ends: 382 [2021-08-29 22:16:16,412 INFO L226 Difference]: Without dead ends: 292 [2021-08-29 22:16:16,413 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.31ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:16:16,413 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 51 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.55ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.12ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:16,413 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 41 Invalid, 88 Unknown, 0 Unchecked, 0.55ms Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 72.12ms Time] [2021-08-29 22:16:16,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-08-29 22:16:16,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 280. [2021-08-29 22:16:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 279 states have (on average 2.218637992831541) internal successors, (619), 279 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 619 transitions. [2021-08-29 22:16:16,418 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 619 transitions. Word has length 16 [2021-08-29 22:16:16,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:16,418 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 619 transitions. [2021-08-29 22:16:16,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,418 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 619 transitions. [2021-08-29 22:16:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 22:16:16,419 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:16,419 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:16,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 22:16:16,419 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:16,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:16,419 INFO L82 PathProgramCache]: Analyzing trace with hash 899643751, now seen corresponding path program 1 times [2021-08-29 22:16:16,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:16,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796085220] [2021-08-29 22:16:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:16,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:16,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:16,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:16,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796085220] [2021-08-29 22:16:16,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796085220] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:16,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:16,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 22:16:16,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550733671] [2021-08-29 22:16:16,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 22:16:16,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:16,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 22:16:16,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:16:16,487 INFO L87 Difference]: Start difference. First operand 280 states and 619 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:16,561 INFO L93 Difference]: Finished difference Result 244 states and 547 transitions. [2021-08-29 22:16:16,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 22:16:16,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2021-08-29 22:16:16,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:16,562 INFO L225 Difference]: With dead ends: 244 [2021-08-29 22:16:16,562 INFO L226 Difference]: Without dead ends: 177 [2021-08-29 22:16:16,562 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.79ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:16:16,562 INFO L928 BasicCegarLoop]: 12 mSDtfsCounter, 68 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.57ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.92ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:16,563 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 41 Invalid, 91 Unknown, 0 Unchecked, 0.57ms Time], IncrementalHoareTripleChecker [11 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 64.92ms Time] [2021-08-29 22:16:16,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-08-29 22:16:16,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 168. [2021-08-29 22:16:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 2.317365269461078) internal successors, (387), 167 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 387 transitions. [2021-08-29 22:16:16,565 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 387 transitions. Word has length 19 [2021-08-29 22:16:16,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:16,566 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 387 transitions. [2021-08-29 22:16:16,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 387 transitions. [2021-08-29 22:16:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:16:16,566 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:16,566 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:16,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 22:16:16,566 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:16,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:16,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1821601641, now seen corresponding path program 1 times [2021-08-29 22:16:16,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:16,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925662602] [2021-08-29 22:16:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:16,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:16,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:16,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925662602] [2021-08-29 22:16:16,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925662602] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:16,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:16,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 22:16:16,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221313832] [2021-08-29 22:16:16,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 22:16:16,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:16,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 22:16:16,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-29 22:16:16,675 INFO L87 Difference]: Start difference. First operand 168 states and 387 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:16,828 INFO L93 Difference]: Finished difference Result 328 states and 720 transitions. [2021-08-29 22:16:16,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 22:16:16,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 22:16:16,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:16,830 INFO L225 Difference]: With dead ends: 328 [2021-08-29 22:16:16,830 INFO L226 Difference]: Without dead ends: 266 [2021-08-29 22:16:16,830 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 76.91ms TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-29 22:16:16,831 INFO L928 BasicCegarLoop]: 21 mSDtfsCounter, 65 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.78ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.23ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:16,831 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 82 Invalid, 153 Unknown, 0 Unchecked, 0.78ms Time], IncrementalHoareTripleChecker [20 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 106.23ms Time] [2021-08-29 22:16:16,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-08-29 22:16:16,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 188. [2021-08-29 22:16:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 2.2620320855614975) internal successors, (423), 187 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 423 transitions. [2021-08-29 22:16:16,834 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 423 transitions. Word has length 23 [2021-08-29 22:16:16,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:16,834 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 423 transitions. [2021-08-29 22:16:16,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 423 transitions. [2021-08-29 22:16:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:16:16,835 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:16,835 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:16,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 22:16:16,835 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:16,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:16,836 INFO L82 PathProgramCache]: Analyzing trace with hash -547684723, now seen corresponding path program 2 times [2021-08-29 22:16:16,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:16,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064827798] [2021-08-29 22:16:16,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:16,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:16,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:16,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064827798] [2021-08-29 22:16:16,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064827798] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:16,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:16,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 22:16:16,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034508081] [2021-08-29 22:16:16,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 22:16:16,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:16,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 22:16:16,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 22:16:16,923 INFO L87 Difference]: Start difference. First operand 188 states and 423 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:16,960 INFO L93 Difference]: Finished difference Result 278 states and 620 transitions. [2021-08-29 22:16:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 22:16:16,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 22:16:16,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:16,961 INFO L225 Difference]: With dead ends: 278 [2021-08-29 22:16:16,961 INFO L226 Difference]: Without dead ends: 128 [2021-08-29 22:16:16,961 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:16:16,962 INFO L928 BasicCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.94ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:16,963 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 43 Invalid, 46 Unknown, 0 Unchecked, 0.17ms Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 30.94ms Time] [2021-08-29 22:16:16,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-08-29 22:16:16,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-08-29 22:16:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 2.1496062992125986) internal successors, (273), 127 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 273 transitions. [2021-08-29 22:16:16,965 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 273 transitions. Word has length 23 [2021-08-29 22:16:16,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:16,966 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 273 transitions. [2021-08-29 22:16:16,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 273 transitions. [2021-08-29 22:16:16,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:16:16,967 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:16,967 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:16,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 22:16:16,967 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:16,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:16,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1570725459, now seen corresponding path program 3 times [2021-08-29 22:16:16,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:16,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572696682] [2021-08-29 22:16:16,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:16,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:17,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:17,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572696682] [2021-08-29 22:16:17,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572696682] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:17,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:17,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 22:16:17,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150494159] [2021-08-29 22:16:17,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 22:16:17,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:17,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 22:16:17,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 22:16:17,022 INFO L87 Difference]: Start difference. First operand 128 states and 273 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:17,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:17,065 INFO L93 Difference]: Finished difference Result 182 states and 383 transitions. [2021-08-29 22:16:17,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 22:16:17,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 22:16:17,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:17,066 INFO L225 Difference]: With dead ends: 182 [2021-08-29 22:16:17,066 INFO L226 Difference]: Without dead ends: 112 [2021-08-29 22:16:17,066 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.64ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-29 22:16:17,067 INFO L928 BasicCegarLoop]: 15 mSDtfsCounter, 21 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.22ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.08ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:17,067 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 41 Invalid, 52 Unknown, 0 Unchecked, 0.22ms Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 38.08ms Time] [2021-08-29 22:16:17,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-08-29 22:16:17,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-08-29 22:16:17,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 2.099099099099099) internal successors, (233), 111 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 233 transitions. [2021-08-29 22:16:17,069 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 233 transitions. Word has length 23 [2021-08-29 22:16:17,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:17,070 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 233 transitions. [2021-08-29 22:16:17,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 233 transitions. [2021-08-29 22:16:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:16:17,070 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:17,070 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:17,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 22:16:17,071 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:17,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1770058821, now seen corresponding path program 4 times [2021-08-29 22:16:17,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:17,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608207706] [2021-08-29 22:16:17,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:17,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 22:16:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 22:16:17,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 22:16:17,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608207706] [2021-08-29 22:16:17,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608207706] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 22:16:17,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 22:16:17,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 22:16:17,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639074900] [2021-08-29 22:16:17,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 22:16:17,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 22:16:17,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 22:16:17,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-29 22:16:17,172 INFO L87 Difference]: Start difference. First operand 112 states and 233 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:17,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 22:16:17,289 INFO L93 Difference]: Finished difference Result 127 states and 256 transitions. [2021-08-29 22:16:17,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 22:16:17,289 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 22:16:17,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 22:16:17,289 INFO L225 Difference]: With dead ends: 127 [2021-08-29 22:16:17,289 INFO L226 Difference]: Without dead ends: 66 [2021-08-29 22:16:17,290 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 72.33ms TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-08-29 22:16:17,290 INFO L928 BasicCegarLoop]: 21 mSDtfsCounter, 46 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.55ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.09ms IncrementalHoareTripleChecker+Time [2021-08-29 22:16:17,290 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 90 Invalid, 130 Unknown, 0 Unchecked, 0.55ms Time], IncrementalHoareTripleChecker [16 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 74.09ms Time] [2021-08-29 22:16:17,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-08-29 22:16:17,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-08-29 22:16:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.7692307692307692) internal successors, (115), 65 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 115 transitions. [2021-08-29 22:16:17,291 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 115 transitions. Word has length 23 [2021-08-29 22:16:17,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 22:16:17,292 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 115 transitions. [2021-08-29 22:16:17,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 22:16:17,292 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2021-08-29 22:16:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 22:16:17,292 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 22:16:17,292 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 22:16:17,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 22:16:17,292 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-29 22:16:17,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 22:16:17,293 INFO L82 PathProgramCache]: Analyzing trace with hash -669474307, now seen corresponding path program 5 times [2021-08-29 22:16:17,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 22:16:17,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464762852] [2021-08-29 22:16:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 22:16:17,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 22:16:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:16:17,324 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 22:16:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 22:16:17,391 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 22:16:17,391 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 22:16:17,392 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-08-29 22:16:17,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-08-29 22:16:17,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-08-29 22:16:17,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-08-29 22:16:17,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-08-29 22:16:17,394 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-08-29 22:16:17,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 22:16:17,397 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-29 22:16:17,397 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 22:16:17,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 10:16:17 BasicIcfg [2021-08-29 22:16:17,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 22:16:17,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 22:16:17,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 22:16:17,451 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 22:16:17,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:16:10" (3/4) ... [2021-08-29 22:16:17,452 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 22:16:17,527 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 22:16:17,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 22:16:17,527 INFO L158 Benchmark]: Toolchain (without parser) took 8010.99ms. Allocated memory was 56.6MB in the beginning and 169.9MB in the end (delta: 113.2MB). Free memory was 33.7MB in the beginning and 89.7MB in the end (delta: -56.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2021-08-29 22:16:17,527 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 22:16:17,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.98ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.4MB in the beginning and 43.2MB in the end (delta: -9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 22:16:17,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.14ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 40.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:16:17,528 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 38.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 22:16:17,530 INFO L158 Benchmark]: RCFGBuilder took 534.48ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 38.4MB in the beginning and 80.8MB in the end (delta: -42.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-08-29 22:16:17,531 INFO L158 Benchmark]: TraceAbstraction took 6764.03ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 80.3MB in the beginning and 107.5MB in the end (delta: -27.3MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2021-08-29 22:16:17,531 INFO L158 Benchmark]: Witness Printer took 76.56ms. Allocated memory is still 169.9MB. Free memory was 107.5MB in the beginning and 89.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-08-29 22:16:17,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.98ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.4MB in the beginning and 43.2MB in the end (delta: -9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.14ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 40.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 38.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.48ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 38.4MB in the beginning and 80.8MB in the end (delta: -42.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6764.03ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 80.3MB in the beginning and 107.5MB in the end (delta: -27.3MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. * Witness Printer took 76.56ms. Allocated memory is still 169.9MB. Free memory was 107.5MB in the beginning and 89.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4276.86ms, 118 PlacesBefore, 38 PlacesAfterwards, 110 TransitionsBefore, 29 TransitionsAfterwards, 2048 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 92 TotalNumberOfCompositions, 5725 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2587, positive: 2401, positive conditional: 0, positive unconditional: 2401, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1364, positive: 1318, positive conditional: 0, positive unconditional: 1318, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1364, positive: 1304, positive conditional: 0, positive unconditional: 1304, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 196, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2587, positive: 1083, positive conditional: 0, positive unconditional: 1083, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 1364, unknown conditional: 0, unknown unconditional: 1364] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L715] 0 int a = 0; [L716] 0 _Bool a$flush_delayed; [L717] 0 int a$mem_tmp; [L718] 0 _Bool a$r_buff0_thd0; [L719] 0 _Bool a$r_buff0_thd1; [L720] 0 _Bool a$r_buff0_thd2; [L721] 0 _Bool a$r_buff0_thd3; [L722] 0 _Bool a$r_buff1_thd0; [L723] 0 _Bool a$r_buff1_thd1; [L724] 0 _Bool a$r_buff1_thd2; [L725] 0 _Bool a$r_buff1_thd3; [L726] 0 _Bool a$read_delayed; [L727] 0 int *a$read_delayed_var; [L728] 0 int a$w_buff0; [L729] 0 _Bool a$w_buff0_used; [L730] 0 int a$w_buff1; [L731] 0 _Bool a$w_buff1_used; [L732] 0 _Bool main$tmp_guard0; [L733] 0 _Bool main$tmp_guard1; [L735] 0 int x = 0; [L737] 0 int y = 0; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L841] 0 pthread_t t1205; [L842] FCALL, FORK 0 pthread_create(&t1205, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L843] 0 pthread_t t1206; [L844] FCALL, FORK 0 pthread_create(&t1206, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L845] 0 pthread_t t1207; [L846] FCALL, FORK 0 pthread_create(&t1207, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L745] 1 a$w_buff1 = a$w_buff0 [L746] 1 a$w_buff0 = 1 [L747] 1 a$w_buff1_used = a$w_buff0_used [L748] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L750] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L751] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L752] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L753] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L754] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L774] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L777] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L794] 3 y = 2 [L797] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L780] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L780] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L780] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L780] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L781] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L781] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L782] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L782] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L783] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L783] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L784] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L784] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L800] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L803] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L804] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L805] 3 a$flush_delayed = weak$$choice2 [L806] 3 a$mem_tmp = a [L807] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L807] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L808] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L808] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L809] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L809] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L810] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L810] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L811] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L812] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L812] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L813] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] 3 __unbuffered_p2_EBX = a [L815] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L815] 3 a = a$flush_delayed ? a$mem_tmp : a [L816] 3 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L760] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L760] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L761] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L761] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L762] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L762] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L763] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L763] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L764] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L764] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L819] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L819] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L820] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L820] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L821] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L821] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L822] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L822] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L823] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L823] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 3 return 0; [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L852] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L852] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L852] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L852] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L853] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L853] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L854] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L854] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L855] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L855] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L856] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L856] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L859] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 842]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 846]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 139 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6607.04ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 14.65ms, AutomataDifference: 1013.03ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 4345.40ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 434 SdHoareTripleChecker+Valid, 685.03ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 434 mSDsluCounter, 573 SdHoareTripleChecker+Invalid, 557.75ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 720 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 814 IncrementalHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 197 mSDtfsCounter, 814 mSolverCounterSat, 6.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 255.09ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1034occurred in iteration=0, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 192.38ms AutomataMinimizationTime, 12 MinimizatonAttempts, 561 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 39.87ms SsaConstructionTime, 246.42ms SatisfiabilityAnalysisTime, 525.00ms InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-29 22:16:17,577 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...