./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg --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 85831c87ee726a5ebef35050faa06bdc8a4bd6c3085f34f2763b92257fb80baa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:49:52,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:49:52,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:49:52,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:49:52,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:49:52,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:49:52,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:49:52,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:49:52,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:49:52,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:49:52,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:49:52,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:49:52,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:49:52,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:49:52,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:49:52,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:49:52,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:49:52,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:49:52,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:49:52,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:49:52,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:49:52,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:49:52,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:49:52,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:49:52,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:49:52,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:49:52,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:49:52,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:49:52,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:49:52,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:49:52,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:49:52,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:49:52,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:49:52,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:49:52,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:49:52,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:49:52,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:49:52,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:49:52,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:49:52,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:49:52,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:49:52,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:49:52,308 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:49:52,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:49:52,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:49:52,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:49:52,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:49:52,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:49:52,311 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:49:52,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:49:52,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:49:52,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:49:52,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:49:52,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:49:52,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:49:52,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:49:52,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:49:52,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:49:52,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:49:52,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:49:52,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:49:52,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:49:52,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:49:52,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:49:52,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:52,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:49:52,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:49:52,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:49:52,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:49:52,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:49:52,319 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:49:52,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:49:52,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:49:52,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:49:52,320 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85831c87ee726a5ebef35050faa06bdc8a4bd6c3085f34f2763b92257fb80baa [2021-10-28 09:49:52,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:49:52,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:49:52,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:49:52,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:49:52,640 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:49:52,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2021-10-28 09:49:52,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/data/5679f54b0/03eb2464c33040db941548e8d1e5d027/FLAG44e9509b1 [2021-10-28 09:49:53,321 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:49:53,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2021-10-28 09:49:53,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/data/5679f54b0/03eb2464c33040db941548e8d1e5d027/FLAG44e9509b1 [2021-10-28 09:49:53,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/data/5679f54b0/03eb2464c33040db941548e8d1e5d027 [2021-10-28 09:49:53,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:49:53,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:49:53,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:53,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:49:53,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:49:53,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:53" (1/1) ... [2021-10-28 09:49:53,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77545f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:53, skipping insertion in model container [2021-10-28 09:49:53,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:53" (1/1) ... [2021-10-28 09:49:53,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:49:53,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:49:53,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/sv-benchmarks/c/eca-rers2012/Problem02_label02.c[15989,16002] [2021-10-28 09:49:54,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:54,038 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:49:54,122 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/sv-benchmarks/c/eca-rers2012/Problem02_label02.c[15989,16002] [2021-10-28 09:49:54,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:54,172 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:49:54,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54 WrapperNode [2021-10-28 09:49:54,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:54,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:54,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:49:54,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:49:54,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:54,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:49:54,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:49:54,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:49:54,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:49:54,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:49:54,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:49:54,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:49:54,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:54,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:49:54,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:49:54,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:49:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:49:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:49:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:49:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:49:55,634 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:49:55,635 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:49:55,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55 BoogieIcfgContainer [2021-10-28 09:49:55,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:49:55,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:49:55,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:49:55,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:49:55,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:49:53" (1/3) ... [2021-10-28 09:49:55,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4b130b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:49:55, skipping insertion in model container [2021-10-28 09:49:55,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (2/3) ... [2021-10-28 09:49:55,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4b130b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:49:55, skipping insertion in model container [2021-10-28 09:49:55,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55" (3/3) ... [2021-10-28 09:49:55,645 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2021-10-28 09:49:55,650 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:49:55,650 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:49:55,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:49:55,752 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-10-28 09:49:55,752 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:49:55,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-28 09:49:55,785 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:55,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:55,786 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:55,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:55,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1717349669, now seen corresponding path program 1 times [2021-10-28 09:49:55,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:55,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443909763] [2021-10-28 09:49:55,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:55,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:56,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:56,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443909763] [2021-10-28 09:49:56,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443909763] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:56,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:56,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:49:56,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091272715] [2021-10-28 09:49:56,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:56,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:56,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:56,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:56,324 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:57,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:57,106 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2021-10-28 09:49:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:57,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-10-28 09:49:57,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:57,121 INFO L225 Difference]: With dead ends: 630 [2021-10-28 09:49:57,121 INFO L226 Difference]: Without dead ends: 318 [2021-10-28 09:49:57,125 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-28 09:49:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-10-28 09:49:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2021-10-28 09:49:57,184 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 93 [2021-10-28 09:49:57,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:57,185 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2021-10-28 09:49:57,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2021-10-28 09:49:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-28 09:49:57,190 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:57,191 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:57,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:49:57,191 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:57,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:57,192 INFO L85 PathProgramCache]: Analyzing trace with hash -317427888, now seen corresponding path program 1 times [2021-10-28 09:49:57,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:57,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261751473] [2021-10-28 09:49:57,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:57,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:57,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:57,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261751473] [2021-10-28 09:49:57,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261751473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:57,400 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:57,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:57,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240220533] [2021-10-28 09:49:57,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:49:57,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:57,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:49:57,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:49:57,404 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:58,173 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions. [2021-10-28 09:49:58,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:49:58,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2021-10-28 09:49:58,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:58,182 INFO L225 Difference]: With dead ends: 999 [2021-10-28 09:49:58,183 INFO L226 Difference]: Without dead ends: 600 [2021-10-28 09:49:58,187 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:49:58,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-10-28 09:49:58,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2021-10-28 09:49:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.357262103505843) internal successors, (813), 599 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 813 transitions. [2021-10-28 09:49:58,248 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 813 transitions. Word has length 97 [2021-10-28 09:49:58,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:58,248 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 813 transitions. [2021-10-28 09:49:58,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 813 transitions. [2021-10-28 09:49:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-28 09:49:58,260 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:58,261 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:58,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:49:58,261 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:58,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:58,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1573604474, now seen corresponding path program 1 times [2021-10-28 09:49:58,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:58,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066209262] [2021-10-28 09:49:58,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:58,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:58,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:58,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066209262] [2021-10-28 09:49:58,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066209262] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:58,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:58,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:49:58,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702086148] [2021-10-28 09:49:58,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:58,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:58,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:58,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,375 INFO L87 Difference]: Start difference. First operand 600 states and 813 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:58,822 INFO L93 Difference]: Finished difference Result 1781 states and 2418 transitions. [2021-10-28 09:49:58,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:58,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-10-28 09:49:58,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:58,831 INFO L225 Difference]: With dead ends: 1781 [2021-10-28 09:49:58,831 INFO L226 Difference]: Without dead ends: 1183 [2021-10-28 09:49:58,832 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-10-28 09:49:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1173. [2021-10-28 09:49:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1172 states have (on average 1.3114334470989761) internal successors, (1537), 1172 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1537 transitions. [2021-10-28 09:49:58,880 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1537 transitions. Word has length 111 [2021-10-28 09:49:58,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:58,880 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1537 transitions. [2021-10-28 09:49:58,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:58,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1537 transitions. [2021-10-28 09:49:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-28 09:49:58,891 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:58,891 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:58,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:49:58,892 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:58,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:58,894 INFO L85 PathProgramCache]: Analyzing trace with hash -77950967, now seen corresponding path program 1 times [2021-10-28 09:49:58,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:58,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098838058] [2021-10-28 09:49:58,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:58,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:59,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:59,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098838058] [2021-10-28 09:49:59,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098838058] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:59,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:59,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:49:59,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616048642] [2021-10-28 09:49:59,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:59,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:59,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:59,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,005 INFO L87 Difference]: Start difference. First operand 1173 states and 1537 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:59,510 INFO L93 Difference]: Finished difference Result 3329 states and 4387 transitions. [2021-10-28 09:49:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:59,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2021-10-28 09:49:59,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:59,523 INFO L225 Difference]: With dead ends: 3329 [2021-10-28 09:49:59,523 INFO L226 Difference]: Without dead ends: 2158 [2021-10-28 09:49:59,526 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-10-28 09:49:59,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2155. [2021-10-28 09:49:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.1996285979572887) internal successors, (2584), 2154 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2584 transitions. [2021-10-28 09:49:59,583 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2584 transitions. Word has length 117 [2021-10-28 09:49:59,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:59,584 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2584 transitions. [2021-10-28 09:49:59,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2584 transitions. [2021-10-28 09:49:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-28 09:49:59,588 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:59,589 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:59,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:49:59,589 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:59,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:59,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1454931417, now seen corresponding path program 1 times [2021-10-28 09:49:59,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:59,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126746881] [2021-10-28 09:49:59,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:59,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:59,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:59,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126746881] [2021-10-28 09:49:59,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126746881] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:49:59,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887888345] [2021-10-28 09:49:59,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:59,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:49:59,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:49:59,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:49:59,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:49:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:59,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:49:59,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 09:50:00,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887888345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:00,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:50:00,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:50:00,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156573118] [2021-10-28 09:50:00,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:00,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:00,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:00,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:50:00,346 INFO L87 Difference]: Start difference. First operand 2155 states and 2584 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:00,804 INFO L93 Difference]: Finished difference Result 5309 states and 6449 transitions. [2021-10-28 09:50:00,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:00,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 120 [2021-10-28 09:50:00,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:00,824 INFO L225 Difference]: With dead ends: 5309 [2021-10-28 09:50:00,825 INFO L226 Difference]: Without dead ends: 3156 [2021-10-28 09:50:00,828 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:50:00,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2021-10-28 09:50:00,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 2876. [2021-10-28 09:50:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2875 states have (on average 1.1815652173913043) internal successors, (3397), 2875 states have internal predecessors, (3397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:00,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3397 transitions. [2021-10-28 09:50:00,924 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3397 transitions. Word has length 120 [2021-10-28 09:50:00,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:00,926 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 3397 transitions. [2021-10-28 09:50:00,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:00,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3397 transitions. [2021-10-28 09:50:00,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-10-28 09:50:00,932 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:00,932 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:00,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:01,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:01,147 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1204169373, now seen corresponding path program 1 times [2021-10-28 09:50:01,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733889024] [2021-10-28 09:50:01,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 09:50:01,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:01,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733889024] [2021-10-28 09:50:01,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733889024] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:01,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:01,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:01,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033777225] [2021-10-28 09:50:01,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:01,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:01,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:01,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:01,266 INFO L87 Difference]: Start difference. First operand 2876 states and 3397 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:01,766 INFO L93 Difference]: Finished difference Result 6735 states and 8084 transitions. [2021-10-28 09:50:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:01,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 146 [2021-10-28 09:50:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:01,787 INFO L225 Difference]: With dead ends: 6735 [2021-10-28 09:50:01,787 INFO L226 Difference]: Without dead ends: 3861 [2021-10-28 09:50:01,791 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:01,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2021-10-28 09:50:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3714. [2021-10-28 09:50:01,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3714 states, 3713 states have (on average 1.2006463775922436) internal successors, (4458), 3713 states have internal predecessors, (4458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3714 states and 4458 transitions. [2021-10-28 09:50:01,934 INFO L78 Accepts]: Start accepts. Automaton has 3714 states and 4458 transitions. Word has length 146 [2021-10-28 09:50:01,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:01,935 INFO L470 AbstractCegarLoop]: Abstraction has 3714 states and 4458 transitions. [2021-10-28 09:50:01,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 4458 transitions. [2021-10-28 09:50:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-10-28 09:50:01,941 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:01,942 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:01,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:50:01,942 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:01,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1012722605, now seen corresponding path program 1 times [2021-10-28 09:50:01,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487197539] [2021-10-28 09:50:01,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 09:50:02,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:02,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487197539] [2021-10-28 09:50:02,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487197539] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:02,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:02,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:02,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473827159] [2021-10-28 09:50:02,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:02,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:02,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:02,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:02,012 INFO L87 Difference]: Start difference. First operand 3714 states and 4458 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:02,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:02,474 INFO L93 Difference]: Finished difference Result 7573 states and 9006 transitions. [2021-10-28 09:50:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:02,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 150 [2021-10-28 09:50:02,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:02,493 INFO L225 Difference]: With dead ends: 7573 [2021-10-28 09:50:02,493 INFO L226 Difference]: Without dead ends: 3581 [2021-10-28 09:50:02,498 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:02,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3581 states. [2021-10-28 09:50:02,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3581 to 3283. [2021-10-28 09:50:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3282 states have (on average 1.154174283973187) internal successors, (3788), 3282 states have internal predecessors, (3788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 3788 transitions. [2021-10-28 09:50:02,627 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 3788 transitions. Word has length 150 [2021-10-28 09:50:02,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:02,627 INFO L470 AbstractCegarLoop]: Abstraction has 3283 states and 3788 transitions. [2021-10-28 09:50:02,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 3788 transitions. [2021-10-28 09:50:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-28 09:50:02,634 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:02,634 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:02,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:50:02,634 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:02,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:02,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1515050692, now seen corresponding path program 1 times [2021-10-28 09:50:02,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:02,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914615565] [2021-10-28 09:50:02,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:02,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-28 09:50:02,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:02,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914615565] [2021-10-28 09:50:02,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914615565] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:02,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:02,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:02,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368080413] [2021-10-28 09:50:02,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:02,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:02,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:02,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:02,712 INFO L87 Difference]: Start difference. First operand 3283 states and 3788 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:03,141 INFO L93 Difference]: Finished difference Result 6260 states and 7221 transitions. [2021-10-28 09:50:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:03,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 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 159 [2021-10-28 09:50:03,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:03,154 INFO L225 Difference]: With dead ends: 6260 [2021-10-28 09:50:03,154 INFO L226 Difference]: Without dead ends: 2279 [2021-10-28 09:50:03,158 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:03,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2021-10-28 09:50:03,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2139. [2021-10-28 09:50:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2138 states have (on average 1.1000935453695042) internal successors, (2352), 2138 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2352 transitions. [2021-10-28 09:50:03,248 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2352 transitions. Word has length 159 [2021-10-28 09:50:03,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:03,249 INFO L470 AbstractCegarLoop]: Abstraction has 2139 states and 2352 transitions. [2021-10-28 09:50:03,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2352 transitions. [2021-10-28 09:50:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-28 09:50:03,257 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:03,258 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:03,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:50:03,258 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:03,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:03,259 INFO L85 PathProgramCache]: Analyzing trace with hash -156969243, now seen corresponding path program 1 times [2021-10-28 09:50:03,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:03,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210865038] [2021-10-28 09:50:03,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:03,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:50:03,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:03,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210865038] [2021-10-28 09:50:03,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210865038] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:03,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:03,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:03,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142495654] [2021-10-28 09:50:03,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:03,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:03,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:03,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:03,352 INFO L87 Difference]: Start difference. First operand 2139 states and 2352 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:03,793 INFO L93 Difference]: Finished difference Result 4560 states and 5013 transitions. [2021-10-28 09:50:03,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:03,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 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 200 [2021-10-28 09:50:03,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:03,805 INFO L225 Difference]: With dead ends: 4560 [2021-10-28 09:50:03,805 INFO L226 Difference]: Without dead ends: 2281 [2021-10-28 09:50:03,808 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:03,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2021-10-28 09:50:03,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2021-10-28 09:50:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 2276 states have (on average 1.0795254833040422) internal successors, (2457), 2276 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 2457 transitions. [2021-10-28 09:50:03,867 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 2457 transitions. Word has length 200 [2021-10-28 09:50:03,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:03,868 INFO L470 AbstractCegarLoop]: Abstraction has 2277 states and 2457 transitions. [2021-10-28 09:50:03,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2457 transitions. [2021-10-28 09:50:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-28 09:50:03,876 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:03,876 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:03,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:50:03,876 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:03,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:03,877 INFO L85 PathProgramCache]: Analyzing trace with hash -558163709, now seen corresponding path program 1 times [2021-10-28 09:50:03,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:03,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537408405] [2021-10-28 09:50:03,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:03,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-28 09:50:03,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:03,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537408405] [2021-10-28 09:50:03,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537408405] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:03,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:03,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:03,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97191710] [2021-10-28 09:50:03,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:03,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:03,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:03,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:03,958 INFO L87 Difference]: Start difference. First operand 2277 states and 2457 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:04,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:04,408 INFO L93 Difference]: Finished difference Result 5112 states and 5560 transitions. [2021-10-28 09:50:04,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:04,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 221 [2021-10-28 09:50:04,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:04,409 INFO L225 Difference]: With dead ends: 5112 [2021-10-28 09:50:04,409 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:50:04,414 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:04,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:50:04,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:50:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:50:04,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2021-10-28 09:50:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:04,415 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:50:04,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:04,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:50:04,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:50:04,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:50:04,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:50:04,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:50:04,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:04,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:04,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:04,879 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,879 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,879 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-28 09:50:04,880 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,881 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-28 09:50:04,882 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-28 09:50:04,883 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-28 09:50:04,884 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-28 09:50:04,884 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-28 09:50:04,884 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,884 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,884 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,884 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-28 09:50:04,884 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-28 09:50:04,884 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-28 09:50:04,885 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-28 09:50:04,886 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-28 09:50:04,886 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-28 09:50:04,886 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-28 09:50:04,886 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,886 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,886 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,886 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-28 09:50:04,886 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-28 09:50:04,888 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-28 09:50:04,888 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-28 09:50:04,888 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-28 09:50:04,888 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-28 09:50:04,889 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-28 09:50:04,889 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-28 09:50:04,889 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,889 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,889 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,889 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-28 09:50:04,890 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:50:04,890 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-28 09:50:04,890 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-28 09:50:04,890 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-28 09:50:04,890 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-28 09:50:04,890 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-28 09:50:04,891 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-28 09:50:04,891 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-28 09:50:04,891 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,891 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,891 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,891 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-28 09:50:04,892 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-28 09:50:04,892 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-28 09:50:04,892 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-28 09:50:04,892 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-28 09:50:04,892 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-28 09:50:04,892 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-28 09:50:04,892 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-28 09:50:04,893 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-28 09:50:04,893 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,893 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,893 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,893 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-28 09:50:04,893 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-28 09:50:04,894 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-28 09:50:04,894 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-28 09:50:04,894 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-28 09:50:04,894 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-28 09:50:04,894 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:50:04,894 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2021-10-28 09:50:04,895 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,895 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,895 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,895 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-28 09:50:04,895 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-28 09:50:04,895 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-28 09:50:04,896 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-28 09:50:04,896 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-28 09:50:04,896 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-28 09:50:04,896 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-28 09:50:04,896 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-28 09:50:04,896 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,897 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,897 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,897 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-28 09:50:04,897 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-28 09:50:04,897 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-28 09:50:04,897 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-28 09:50:04,898 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-28 09:50:04,898 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,898 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,898 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,898 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-28 09:50:04,898 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-28 09:50:04,898 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-28 09:50:04,899 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-28 09:50:04,899 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-28 09:50:04,899 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-28 09:50:04,899 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-28 09:50:04,899 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-28 09:50:04,899 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-28 09:50:04,900 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-28 09:50:04,900 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-28 09:50:04,900 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,900 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,900 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-28 09:50:04,900 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-28 09:50:04,900 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-28 09:50:04,901 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-28 09:50:04,901 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-28 09:50:04,901 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-28 09:50:04,901 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-28 09:50:04,901 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-28 09:50:04,901 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-28 09:50:04,902 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse10 (= ~a11~0 0)) (.cse2 (<= ~a25~0 0)) (.cse8 (<= ~a19~0 0)) (.cse0 (<= 9 ~a28~0)) (.cse1 (= ~a11~0 1)) (.cse9 (<= ~a28~0 10)) (.cse5 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a19~0 1)) (.cse4 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2) (and .cse1 .cse4 .cse8) (and .cse1 .cse4 .cse2) (and .cse5 .cse3 .cse1 .cse6 .cse9 .cse7) (and .cse10 .cse9 .cse2) (and .cse10 .cse4 .cse8) (and .cse3 .cse1 .cse9 .cse8) (and .cse3 .cse10) (and .cse1 .cse2 .cse8) (and .cse10 .cse2 .cse8) (and .cse0 .cse3 .cse1 .cse9) (and .cse5 .cse3 .cse6 .cse7 .cse4))) [2021-10-28 09:50:04,902 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,902 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,902 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-28 09:50:04,902 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-28 09:50:04,903 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-28 09:50:04,903 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-28 09:50:04,903 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-28 09:50:04,903 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-28 09:50:04,903 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-28 09:50:04,903 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,904 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,904 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-28 09:50:04,904 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-28 09:50:04,904 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-28 09:50:04,904 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-28 09:50:04,904 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-28 09:50:04,904 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-28 09:50:04,905 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-28 09:50:04,905 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-28 09:50:04,905 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-28 09:50:04,905 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,905 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,905 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-28 09:50:04,906 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-28 09:50:04,906 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-28 09:50:04,906 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-28 09:50:04,906 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:50:04,906 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-28 09:50:04,906 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-28 09:50:04,907 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse10 (= ~a11~0 0)) (.cse2 (<= ~a25~0 0)) (.cse8 (<= ~a19~0 0)) (.cse0 (<= 9 ~a28~0)) (.cse1 (= ~a11~0 1)) (.cse9 (<= ~a28~0 10)) (.cse5 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a19~0 1)) (.cse4 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2) (and .cse1 .cse4 .cse8) (and .cse1 .cse4 .cse2) (and .cse5 .cse3 .cse1 .cse6 .cse9 .cse7) (and .cse10 .cse9 .cse2) (and .cse10 .cse4 .cse8) (and .cse3 .cse1 .cse9 .cse8) (and .cse3 .cse10) (and .cse1 .cse2 .cse8) (and .cse10 .cse2 .cse8) (and .cse0 .cse3 .cse1 .cse9) (and .cse5 .cse3 .cse6 .cse7 .cse4))) [2021-10-28 09:50:04,907 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,907 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,907 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-28 09:50:04,907 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-28 09:50:04,907 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-28 09:50:04,907 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-28 09:50:04,908 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-28 09:50:04,908 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,908 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,908 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-28 09:50:04,908 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-28 09:50:04,908 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-28 09:50:04,909 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-28 09:50:04,909 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-28 09:50:04,909 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-28 09:50:04,909 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-28 09:50:04,909 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-28 09:50:04,909 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-28 09:50:04,909 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,910 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,910 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-28 09:50:04,910 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,910 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:50:04,910 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-28 09:50:04,910 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-28 09:50:04,911 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-28 09:50:04,911 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-28 09:50:04,911 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-28 09:50:04,911 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-28 09:50:04,911 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,911 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,911 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,912 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-28 09:50:04,912 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-28 09:50:04,912 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-28 09:50:04,912 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-28 09:50:04,912 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-28 09:50:04,912 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,912 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,913 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:50:04,913 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-28 09:50:04,913 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-28 09:50:04,913 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-28 09:50:04,913 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-28 09:50:04,913 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-28 09:50:04,914 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-28 09:50:04,917 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:04,918 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:50:04,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:50:04 BoogieIcfgContainer [2021-10-28 09:50:04,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:50:04,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:50:04,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:50:04,955 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:50:04,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55" (3/4) ... [2021-10-28 09:50:04,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:50:04,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:50:04,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:50:04,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:50:04,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:50:05,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:50:05,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:50:05,144 INFO L168 Benchmark]: Toolchain (without parser) took 11532.95 ms. Allocated memory was 81.8 MB in the beginning and 234.9 MB in the end (delta: 153.1 MB). Free memory was 46.2 MB in the beginning and 87.6 MB in the end (delta: -41.4 MB). Peak memory consumption was 111.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:05,144 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 59.8 MB in the beginning and 59.7 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:50:05,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.55 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 46.1 MB in the beginning and 61.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:05,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.31 ms. Allocated memory is still 100.7 MB. Free memory was 61.8 MB in the beginning and 56.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:05,146 INFO L168 Benchmark]: Boogie Preprocessor took 66.73 ms. Allocated memory is still 100.7 MB. Free memory was 56.3 MB in the beginning and 52.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:05,146 INFO L168 Benchmark]: RCFGBuilder took 1291.64 ms. Allocated memory is still 100.7 MB. Free memory was 52.1 MB in the beginning and 68.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:05,147 INFO L168 Benchmark]: TraceAbstraction took 9315.91 ms. Allocated memory was 100.7 MB in the beginning and 234.9 MB in the end (delta: 134.2 MB). Free memory was 67.5 MB in the beginning and 102.5 MB in the end (delta: -35.0 MB). Peak memory consumption was 98.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:05,147 INFO L168 Benchmark]: Witness Printer took 186.82 ms. Allocated memory is still 234.9 MB. Free memory was 102.5 MB in the beginning and 87.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:05,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 59.8 MB in the beginning and 59.7 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 562.55 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 46.1 MB in the beginning and 61.8 MB in the end (delta: -15.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.31 ms. Allocated memory is still 100.7 MB. Free memory was 61.8 MB in the beginning and 56.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.73 ms. Allocated memory is still 100.7 MB. Free memory was 56.3 MB in the beginning and 52.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1291.64 ms. Allocated memory is still 100.7 MB. Free memory was 52.1 MB in the beginning and 68.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9315.91 ms. Allocated memory was 100.7 MB in the beginning and 234.9 MB in the end (delta: 134.2 MB). Free memory was 67.5 MB in the beginning and 102.5 MB in the end (delta: -35.0 MB). Peak memory consumption was 98.8 MB. Max. memory is 16.1 GB. * Witness Printer took 186.82 ms. Allocated memory is still 234.9 MB. Free memory was 102.5 MB in the beginning and 87.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 461]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1540 SDtfs, 1336 SDslu, 204 SDs, 0 SdLazy, 3994 SolverSat, 753 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3714occurred in iteration=6, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 882 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 63 NumberOfFragments, 331 HoareAnnotationTreeSize, 3 FomulaSimplifications, 672 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 190 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1534 NumberOfCodeBlocks, 1534 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1523 ConstructedInterpolants, 0 QuantifiedInterpolants, 5587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 755/771 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((((9 <= a28 && a11 == 1) && a25 <= 0) || ((a25 == 1 && a11 == 1) && a28 <= 7)) || ((((a17 == 8 && a11 == 1) && a21 == 1) && a19 == 1) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a19 <= 0)) || ((a11 == 1 && a28 <= 7) && a25 <= 0)) || (((((a17 == 8 && a25 == 1) && a11 == 1) && a21 == 1) && a28 <= 10) && a19 == 1)) || ((a11 == 0 && a28 <= 10) && a25 <= 0)) || ((a11 == 0 && a28 <= 7) && a19 <= 0)) || (((a25 == 1 && a11 == 1) && a28 <= 10) && a19 <= 0)) || (a25 == 1 && a11 == 0)) || ((a11 == 1 && a25 <= 0) && a19 <= 0)) || ((a11 == 0 && a25 <= 0) && a19 <= 0)) || (((9 <= a28 && a25 == 1) && a11 == 1) && a28 <= 10)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 <= 7) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((((9 <= a28 && a11 == 1) && a25 <= 0) || ((a25 == 1 && a11 == 1) && a28 <= 7)) || ((((a17 == 8 && a11 == 1) && a21 == 1) && a19 == 1) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a19 <= 0)) || ((a11 == 1 && a28 <= 7) && a25 <= 0)) || (((((a17 == 8 && a25 == 1) && a11 == 1) && a21 == 1) && a28 <= 10) && a19 == 1)) || ((a11 == 0 && a28 <= 10) && a25 <= 0)) || ((a11 == 0 && a28 <= 7) && a19 <= 0)) || (((a25 == 1 && a11 == 1) && a28 <= 10) && a19 <= 0)) || (a25 == 1 && a11 == 0)) || ((a11 == 1 && a25 <= 0) && a19 <= 0)) || ((a11 == 0 && a25 <= 0) && a19 <= 0)) || (((9 <= a28 && a25 == 1) && a11 == 1) && a28 <= 10)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 <= 7) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:50:05,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f368806-22ba-4421-b08f-d258199ac338/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...