./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label09.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_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD --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 94406c90b46fed2ba639405486e012fa4ad77124178cc3ef79a472c538020bbf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:56:01,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:56:01,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:56:01,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:56:01,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:56:01,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:56:01,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:56:01,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:56:01,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:56:01,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:56:01,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:56:01,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:56:01,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:56:01,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:56:01,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:56:01,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:56:01,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:56:01,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:56:01,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:56:01,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:56:01,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:56:01,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:56:01,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:56:01,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:56:01,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:56:01,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:56:01,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:56:01,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:56:01,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:56:01,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:56:01,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:56:01,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:56:01,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:56:01,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:56:01,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:56:01,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:56:01,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:56:01,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:56:01,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:56:01,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:56:01,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:56:01,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:56:01,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:56:01,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:56:01,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:56:01,250 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:56:01,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:56:01,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:56:01,252 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:56:01,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:56:01,253 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:56:01,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:56:01,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:56:01,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:56:01,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:56:01,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:56:01,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:56:01,255 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:56:01,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:56:01,256 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:56:01,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:56:01,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:56:01,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:56:01,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:56:01,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:01,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:56:01,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:56:01,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:56:01,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:56:01,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:56:01,260 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:56:01,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:56:01,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:56:01,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:56:01,261 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_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94406c90b46fed2ba639405486e012fa4ad77124178cc3ef79a472c538020bbf [2021-10-28 22:56:01,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:56:01,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:56:01,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:56:01,603 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:56:01,604 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:56:01,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem16_label09.c [2021-10-28 22:56:01,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/data/735f879f2/8378e2229c6c4b4fb35f59e1d6fb7324/FLAGb037fea11 [2021-10-28 22:56:02,657 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:56:02,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/sv-benchmarks/c/eca-rers2012/Problem16_label09.c [2021-10-28 22:56:02,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/data/735f879f2/8378e2229c6c4b4fb35f59e1d6fb7324/FLAGb037fea11 [2021-10-28 22:56:02,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/data/735f879f2/8378e2229c6c4b4fb35f59e1d6fb7324 [2021-10-28 22:56:02,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:56:02,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:56:02,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:02,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:56:02,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:56:02,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:02" (1/1) ... [2021-10-28 22:56:02,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcb6733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:02, skipping insertion in model container [2021-10-28 22:56:02,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:02" (1/1) ... [2021-10-28 22:56:02,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:56:02,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:56:03,176 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_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/sv-benchmarks/c/eca-rers2012/Problem16_label09.c[5013,5026] [2021-10-28 22:56:03,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:03,743 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:56:03,783 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_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/sv-benchmarks/c/eca-rers2012/Problem16_label09.c[5013,5026] [2021-10-28 22:56:04,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:04,074 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:56:04,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04 WrapperNode [2021-10-28 22:56:04,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:04,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:56:04,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:56:04,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:56:04,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:56:04,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:56:04,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:56:04,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:56:04,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:56:04,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:56:04,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:56:04,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:56:04,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (1/1) ... [2021-10-28 22:56:04,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:04,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:04,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:56:04,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:56:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:56:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:56:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:56:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:56:07,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:56:07,855 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 22:56:07,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:07 BoogieIcfgContainer [2021-10-28 22:56:07,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:56:07,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:56:07,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:56:07,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:56:07,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:56:02" (1/3) ... [2021-10-28 22:56:07,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2241c29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:07, skipping insertion in model container [2021-10-28 22:56:07,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:04" (2/3) ... [2021-10-28 22:56:07,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2241c29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:07, skipping insertion in model container [2021-10-28 22:56:07,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:07" (3/3) ... [2021-10-28 22:56:07,875 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label09.c [2021-10-28 22:56:07,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:56:07,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:56:07,967 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:56:07,977 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 22:56:07,978 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:56:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 22:56:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-28 22:56:08,032 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:08,033 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] [2021-10-28 22:56:08,035 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:08,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:08,043 INFO L85 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2021-10-28 22:56:08,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:08,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44063061] [2021-10-28 22:56:08,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:08,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:08,499 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 22:56:08,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:08,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44063061] [2021-10-28 22:56:08,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44063061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:08,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:08,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:08,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035925379] [2021-10-28 22:56:08,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:08,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:08,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:08,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:08,539 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:11,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:11,399 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-10-28 22:56:11,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:11,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-10-28 22:56:11,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:11,423 INFO L225 Difference]: With dead ends: 1137 [2021-10-28 22:56:11,424 INFO L226 Difference]: Without dead ends: 662 [2021-10-28 22:56:11,429 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 22:56:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-10-28 22:56:11,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-10-28 22:56:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 0 states have call successors, (0), 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 22:56:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2021-10-28 22:56:11,538 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 47 [2021-10-28 22:56:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:11,539 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2021-10-28 22:56:11,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2021-10-28 22:56:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-28 22:56:11,546 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:11,546 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, 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] [2021-10-28 22:56:11,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:56:11,547 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:11,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:11,548 INFO L85 PathProgramCache]: Analyzing trace with hash 534923889, now seen corresponding path program 1 times [2021-10-28 22:56:11,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:11,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738251822] [2021-10-28 22:56:11,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:11,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:11,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:11,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738251822] [2021-10-28 22:56:11,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738251822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:11,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:11,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:11,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064151157] [2021-10-28 22:56:11,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:11,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:11,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:11,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:11,788 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 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 22:56:14,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:14,088 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2021-10-28 22:56:14,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:14,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 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 113 [2021-10-28 22:56:14,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:14,102 INFO L225 Difference]: With dead ends: 1980 [2021-10-28 22:56:14,102 INFO L226 Difference]: Without dead ends: 1320 [2021-10-28 22:56:14,105 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 22:56:14,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-10-28 22:56:14,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-10-28 22:56:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 0 states have call successors, (0), 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 22:56:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2021-10-28 22:56:14,200 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 113 [2021-10-28 22:56:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:14,203 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2021-10-28 22:56:14,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 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 22:56:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2021-10-28 22:56:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-28 22:56:14,221 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:14,222 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, 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] [2021-10-28 22:56:14,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:56:14,223 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:14,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:14,232 INFO L85 PathProgramCache]: Analyzing trace with hash -56855631, now seen corresponding path program 1 times [2021-10-28 22:56:14,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:14,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148108173] [2021-10-28 22:56:14,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:14,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:14,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:14,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148108173] [2021-10-28 22:56:14,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148108173] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:14,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:14,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:14,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866592839] [2021-10-28 22:56:14,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:14,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:14,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:14,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:14,417 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 22:56:16,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:16,306 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2021-10-28 22:56:16,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:16,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2021-10-28 22:56:16,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:16,322 INFO L225 Difference]: With dead ends: 3296 [2021-10-28 22:56:16,322 INFO L226 Difference]: Without dead ends: 1978 [2021-10-28 22:56:16,325 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 22:56:16,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-10-28 22:56:16,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-10-28 22:56:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 0 states have call successors, (0), 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 22:56:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2021-10-28 22:56:16,394 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 114 [2021-10-28 22:56:16,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:16,394 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2021-10-28 22:56:16,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 22:56:16,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2021-10-28 22:56:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-28 22:56:16,400 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:16,400 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:16,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:56:16,401 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:16,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:16,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1498082601, now seen corresponding path program 1 times [2021-10-28 22:56:16,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:16,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980248547] [2021-10-28 22:56:16,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:16,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:16,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:16,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980248547] [2021-10-28 22:56:16,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980248547] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:16,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:16,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:16,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300617790] [2021-10-28 22:56:16,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:16,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:16,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:16,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:16,588 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 22:56:18,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:18,512 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2021-10-28 22:56:18,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:18,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 206 [2021-10-28 22:56:18,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:18,538 INFO L225 Difference]: With dead ends: 5928 [2021-10-28 22:56:18,539 INFO L226 Difference]: Without dead ends: 3952 [2021-10-28 22:56:18,542 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 22:56:18,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-28 22:56:18,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-28 22:56:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 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 22:56:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-10-28 22:56:18,656 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 206 [2021-10-28 22:56:18,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:18,657 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-10-28 22:56:18,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 22:56:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-10-28 22:56:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-10-28 22:56:18,664 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:18,666 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:18,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:56:18,667 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:18,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:18,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1761150386, now seen corresponding path program 1 times [2021-10-28 22:56:18,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:18,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054435414] [2021-10-28 22:56:18,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:18,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:19,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:19,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054435414] [2021-10-28 22:56:19,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054435414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:19,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:19,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:19,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573625386] [2021-10-28 22:56:19,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:56:19,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:19,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:56:19,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:56:19,051 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 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 22:56:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:20,858 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-10-28 22:56:20,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:56:20,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 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 292 [2021-10-28 22:56:20,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:20,883 INFO L225 Difference]: With dead ends: 8269 [2021-10-28 22:56:20,883 INFO L226 Difference]: Without dead ends: 4319 [2021-10-28 22:56:20,888 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:20,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-10-28 22:56:20,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-10-28 22:56:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 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 22:56:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-10-28 22:56:20,987 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 292 [2021-10-28 22:56:20,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:20,989 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-10-28 22:56:20,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 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 22:56:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-10-28 22:56:20,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2021-10-28 22:56:20,997 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:20,998 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:20,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:56:20,998 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:20,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:20,999 INFO L85 PathProgramCache]: Analyzing trace with hash -101934500, now seen corresponding path program 1 times [2021-10-28 22:56:20,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:20,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338258231] [2021-10-28 22:56:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:21,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:21,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:21,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338258231] [2021-10-28 22:56:21,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338258231] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:21,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:21,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:56:21,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840300779] [2021-10-28 22:56:21,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 22:56:21,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:21,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:56:21,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:56:21,293 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 6 states have internal predecessors, (379), 0 states have call successors, (0), 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 22:56:23,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:23,194 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-10-28 22:56:23,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:56:23,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 6 states have internal predecessors, (379), 0 states have call successors, (0), 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 379 [2021-10-28 22:56:23,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:23,219 INFO L225 Difference]: With dead ends: 8090 [2021-10-28 22:56:23,219 INFO L226 Difference]: Without dead ends: 3952 [2021-10-28 22:56:23,224 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:56:23,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-28 22:56:23,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-28 22:56:23,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 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 22:56:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-10-28 22:56:23,314 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 379 [2021-10-28 22:56:23,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:23,315 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-10-28 22:56:23,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 6 states have internal predecessors, (379), 0 states have call successors, (0), 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 22:56:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-10-28 22:56:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-10-28 22:56:23,323 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:23,324 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:23,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:56:23,324 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:23,325 INFO L85 PathProgramCache]: Analyzing trace with hash -70581644, now seen corresponding path program 1 times [2021-10-28 22:56:23,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:23,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775475973] [2021-10-28 22:56:23,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:23,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-28 22:56:23,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:23,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775475973] [2021-10-28 22:56:23,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775475973] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:56:23,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592088269] [2021-10-28 22:56:23,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:23,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:56:23,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:23,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:56:23,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:56:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:23,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:56:23,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:56:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-10-28 22:56:25,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592088269] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:25,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 22:56:25,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 22:56:25,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401878077] [2021-10-28 22:56:25,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:25,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:25,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:25,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:25,570 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 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 22:56:26,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:26,835 INFO L93 Difference]: Finished difference Result 4941 states and 5287 transitions. [2021-10-28 22:56:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:26,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 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 386 [2021-10-28 22:56:26,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:26,868 INFO L225 Difference]: With dead ends: 4941 [2021-10-28 22:56:26,869 INFO L226 Difference]: Without dead ends: 4939 [2021-10-28 22:56:26,871 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:26,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2021-10-28 22:56:26,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4281. [2021-10-28 22:56:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.0771028037383177) internal successors, (4610), 4280 states have internal predecessors, (4610), 0 states have call successors, (0), 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 22:56:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 4610 transitions. [2021-10-28 22:56:26,985 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 4610 transitions. Word has length 386 [2021-10-28 22:56:26,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:26,986 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 4610 transitions. [2021-10-28 22:56:26,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 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 22:56:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4610 transitions. [2021-10-28 22:56:27,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-10-28 22:56:27,009 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:27,010 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:27,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:56:27,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-28 22:56:27,234 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:27,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:27,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1502235120, now seen corresponding path program 1 times [2021-10-28 22:56:27,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:27,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610438648] [2021-10-28 22:56:27,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:27,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-10-28 22:56:27,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:27,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610438648] [2021-10-28 22:56:27,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610438648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:27,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:27,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:27,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229133829] [2021-10-28 22:56:27,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:56:27,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:27,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:56:27,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:56:27,566 INFO L87 Difference]: Start difference. First operand 4281 states and 4610 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 22:56:29,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:29,697 INFO L93 Difference]: Finished difference Result 12179 states and 13189 transitions. [2021-10-28 22:56:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:56:29,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 585 [2021-10-28 22:56:29,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:29,747 INFO L225 Difference]: With dead ends: 12179 [2021-10-28 22:56:29,747 INFO L226 Difference]: Without dead ends: 8229 [2021-10-28 22:56:29,754 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 22:56:29,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2021-10-28 22:56:29,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 7900. [2021-10-28 22:56:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0724142296493226) internal successors, (8471), 7899 states have internal predecessors, (8471), 0 states have call successors, (0), 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 22:56:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8471 transitions. [2021-10-28 22:56:29,956 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8471 transitions. Word has length 585 [2021-10-28 22:56:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:29,958 INFO L470 AbstractCegarLoop]: Abstraction has 7900 states and 8471 transitions. [2021-10-28 22:56:29,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 22:56:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8471 transitions. [2021-10-28 22:56:29,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2021-10-28 22:56:29,995 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:29,996 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:29,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:56:29,996 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:29,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:29,997 INFO L85 PathProgramCache]: Analyzing trace with hash -901361519, now seen corresponding path program 1 times [2021-10-28 22:56:29,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:29,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023940682] [2021-10-28 22:56:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:29,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:30,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 871 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-10-28 22:56:30,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:30,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023940682] [2021-10-28 22:56:30,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023940682] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:30,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:30,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:30,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926416926] [2021-10-28 22:56:30,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:30,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:30,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:30,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:30,398 INFO L87 Difference]: Start difference. First operand 7900 states and 8471 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 22:56:31,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:31,797 INFO L93 Difference]: Finished difference Result 18430 states and 19933 transitions. [2021-10-28 22:56:31,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:31,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 689 [2021-10-28 22:56:31,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:31,824 INFO L225 Difference]: With dead ends: 18430 [2021-10-28 22:56:31,824 INFO L226 Difference]: Without dead ends: 11190 [2021-10-28 22:56:31,835 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 22:56:31,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2021-10-28 22:56:32,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2021-10-28 22:56:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0761462150326213) internal successors, (12041), 11189 states have internal predecessors, (12041), 0 states have call successors, (0), 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 22:56:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 12041 transitions. [2021-10-28 22:56:32,060 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 12041 transitions. Word has length 689 [2021-10-28 22:56:32,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:32,061 INFO L470 AbstractCegarLoop]: Abstraction has 11190 states and 12041 transitions. [2021-10-28 22:56:32,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 22:56:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 12041 transitions. [2021-10-28 22:56:32,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2021-10-28 22:56:32,083 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:32,084 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-10-28 22:56:32,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:56:32,085 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:32,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:32,086 INFO L85 PathProgramCache]: Analyzing trace with hash 808963991, now seen corresponding path program 1 times [2021-10-28 22:56:32,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:32,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998570141] [2021-10-28 22:56:32,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:32,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 978 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-10-28 22:56:32,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:32,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998570141] [2021-10-28 22:56:32,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998570141] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:32,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:32,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:32,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965446999] [2021-10-28 22:56:32,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:56:32,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:32,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:56:32,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:56:32,685 INFO L87 Difference]: Start difference. First operand 11190 states and 12041 transitions. Second operand has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 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 22:56:34,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:34,304 INFO L93 Difference]: Finished difference Result 21720 states and 23413 transitions. [2021-10-28 22:56:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:34,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 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 808 [2021-10-28 22:56:34,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:34,330 INFO L225 Difference]: With dead ends: 21720 [2021-10-28 22:56:34,330 INFO L226 Difference]: Without dead ends: 11190 [2021-10-28 22:56:34,342 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 22:56:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2021-10-28 22:56:34,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2021-10-28 22:56:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0758780945571544) internal successors, (12038), 11189 states have internal predecessors, (12038), 0 states have call successors, (0), 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 22:56:34,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 12038 transitions. [2021-10-28 22:56:34,634 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 12038 transitions. Word has length 808 [2021-10-28 22:56:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:34,635 INFO L470 AbstractCegarLoop]: Abstraction has 11190 states and 12038 transitions. [2021-10-28 22:56:34,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 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 22:56:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 12038 transitions. [2021-10-28 22:56:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2021-10-28 22:56:34,657 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:34,658 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2021-10-28 22:56:34,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 22:56:34,658 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:34,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash -766008283, now seen corresponding path program 1 times [2021-10-28 22:56:34,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:34,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205977275] [2021-10-28 22:56:34,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:34,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2021-10-28 22:56:35,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:35,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205977275] [2021-10-28 22:56:35,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205977275] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:35,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:35,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:35,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393661272] [2021-10-28 22:56:35,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:35,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:35,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:35,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:35,151 INFO L87 Difference]: Start difference. First operand 11190 states and 12038 transitions. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 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 22:56:36,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:36,436 INFO L93 Difference]: Finished difference Result 24352 states and 26363 transitions. [2021-10-28 22:56:36,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:36,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 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 869 [2021-10-28 22:56:36,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:36,468 INFO L225 Difference]: With dead ends: 24352 [2021-10-28 22:56:36,468 INFO L226 Difference]: Without dead ends: 13822 [2021-10-28 22:56:36,480 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 22:56:36,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-10-28 22:56:36,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13164. [2021-10-28 22:56:36,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0656385322494872) internal successors, (14027), 13163 states have internal predecessors, (14027), 0 states have call successors, (0), 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 22:56:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14027 transitions. [2021-10-28 22:56:36,853 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14027 transitions. Word has length 869 [2021-10-28 22:56:36,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:36,855 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 14027 transitions. [2021-10-28 22:56:36,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 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 22:56:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14027 transitions. [2021-10-28 22:56:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2021-10-28 22:56:36,879 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:36,880 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2021-10-28 22:56:36,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 22:56:36,881 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:36,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1485338972, now seen corresponding path program 1 times [2021-10-28 22:56:36,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:36,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472709054] [2021-10-28 22:56:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:36,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:37,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-28 22:56:37,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:37,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472709054] [2021-10-28 22:56:37,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472709054] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:37,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:37,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:37,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76692708] [2021-10-28 22:56:37,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:37,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:37,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:37,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:37,346 INFO L87 Difference]: Start difference. First operand 13164 states and 14027 transitions. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 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 22:56:38,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:38,569 INFO L93 Difference]: Finished difference Result 30603 states and 32692 transitions. [2021-10-28 22:56:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:38,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 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 870 [2021-10-28 22:56:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:38,607 INFO L225 Difference]: With dead ends: 30603 [2021-10-28 22:56:38,607 INFO L226 Difference]: Without dead ends: 16783 [2021-10-28 22:56:38,621 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 22:56:38,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-28 22:56:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16454. [2021-10-28 22:56:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0502643894730443) internal successors, (17280), 16453 states have internal predecessors, (17280), 0 states have call successors, (0), 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 22:56:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 17280 transitions. [2021-10-28 22:56:38,888 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 17280 transitions. Word has length 870 [2021-10-28 22:56:38,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:38,889 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 17280 transitions. [2021-10-28 22:56:38,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 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 22:56:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 17280 transitions. [2021-10-28 22:56:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2021-10-28 22:56:38,912 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:38,913 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 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, 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, 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] [2021-10-28 22:56:38,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 22:56:38,914 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:38,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash 613983290, now seen corresponding path program 1 times [2021-10-28 22:56:38,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:38,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83060563] [2021-10-28 22:56:38,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:38,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-28 22:56:39,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:39,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83060563] [2021-10-28 22:56:39,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83060563] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:39,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:39,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:39,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483280368] [2021-10-28 22:56:39,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:39,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:39,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:39,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:39,516 INFO L87 Difference]: Start difference. First operand 16454 states and 17280 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 22:56:40,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:40,963 INFO L93 Difference]: Finished difference Result 33564 states and 35286 transitions. [2021-10-28 22:56:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:40,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 882 [2021-10-28 22:56:40,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:41,001 INFO L225 Difference]: With dead ends: 33564 [2021-10-28 22:56:41,002 INFO L226 Difference]: Without dead ends: 17770 [2021-10-28 22:56:41,018 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 22:56:41,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-28 22:56:41,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17112. [2021-10-28 22:56:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0424872888784993) internal successors, (17838), 17111 states have internal predecessors, (17838), 0 states have call successors, (0), 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 22:56:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17838 transitions. [2021-10-28 22:56:41,301 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17838 transitions. Word has length 882 [2021-10-28 22:56:41,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:41,302 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17838 transitions. [2021-10-28 22:56:41,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 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 22:56:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17838 transitions. [2021-10-28 22:56:41,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2021-10-28 22:56:41,323 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:41,324 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 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 22:56:41,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 22:56:41,325 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:41,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:41,326 INFO L85 PathProgramCache]: Analyzing trace with hash 460822706, now seen corresponding path program 1 times [2021-10-28 22:56:41,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:41,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478974119] [2021-10-28 22:56:41,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:41,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2021-10-28 22:56:41,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:41,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478974119] [2021-10-28 22:56:41,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478974119] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:41,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:41,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:41,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765931452] [2021-10-28 22:56:41,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:41,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:41,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:41,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:41,849 INFO L87 Difference]: Start difference. First operand 17112 states and 17838 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 22:56:43,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:43,012 INFO L93 Difference]: Finished difference Result 33564 states and 35010 transitions. [2021-10-28 22:56:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:43,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 896 [2021-10-28 22:56:43,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:43,041 INFO L225 Difference]: With dead ends: 33564 [2021-10-28 22:56:43,042 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 22:56:43,052 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 22:56:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 22:56:43,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2021-10-28 22:56:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0377189846263855) internal successors, (17415), 16782 states have internal predecessors, (17415), 0 states have call successors, (0), 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 22:56:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17415 transitions. [2021-10-28 22:56:43,307 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17415 transitions. Word has length 896 [2021-10-28 22:56:43,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:43,309 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17415 transitions. [2021-10-28 22:56:43,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 22:56:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17415 transitions. [2021-10-28 22:56:43,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1224 [2021-10-28 22:56:43,344 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:43,345 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 22:56:43,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 22:56:43,346 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:43,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:43,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1392589201, now seen corresponding path program 1 times [2021-10-28 22:56:43,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:43,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925585472] [2021-10-28 22:56:43,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:43,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-10-28 22:56:44,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:44,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925585472] [2021-10-28 22:56:44,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925585472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:44,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:44,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:44,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726376465] [2021-10-28 22:56:44,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:44,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:44,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:44,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:44,055 INFO L87 Difference]: Start difference. First operand 16783 states and 17415 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 22:56:45,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:45,461 INFO L93 Difference]: Finished difference Result 35538 states and 36961 transitions. [2021-10-28 22:56:45,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:45,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 1223 [2021-10-28 22:56:45,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:45,491 INFO L225 Difference]: With dead ends: 35538 [2021-10-28 22:56:45,491 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 22:56:45,508 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 22:56:45,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 22:56:45,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-10-28 22:56:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0329612529951493) internal successors, (17675), 17111 states have internal predecessors, (17675), 0 states have call successors, (0), 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 22:56:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17675 transitions. [2021-10-28 22:56:45,941 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17675 transitions. Word has length 1223 [2021-10-28 22:56:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:45,943 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17675 transitions. [2021-10-28 22:56:45,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 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 22:56:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17675 transitions. [2021-10-28 22:56:45,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1356 [2021-10-28 22:56:45,987 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:45,988 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 22:56:45,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 22:56:45,988 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:45,990 INFO L85 PathProgramCache]: Analyzing trace with hash -90338572, now seen corresponding path program 1 times [2021-10-28 22:56:45,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:45,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449389883] [2021-10-28 22:56:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:45,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4274 backedges. 2876 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2021-10-28 22:56:46,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:46,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449389883] [2021-10-28 22:56:46,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449389883] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:46,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:46,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:46,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315262848] [2021-10-28 22:56:46,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:46,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:46,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:46,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:46,601 INFO L87 Difference]: Start difference. First operand 17112 states and 17675 transitions. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 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 22:56:47,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:47,896 INFO L93 Difference]: Finished difference Result 33893 states and 35014 transitions. [2021-10-28 22:56:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 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 1355 [2021-10-28 22:56:47,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:47,922 INFO L225 Difference]: With dead ends: 33893 [2021-10-28 22:56:47,922 INFO L226 Difference]: Without dead ends: 17112 [2021-10-28 22:56:47,933 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 22:56:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-28 22:56:48,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2021-10-28 22:56:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0267548563937552) internal successors, (17231), 16782 states have internal predecessors, (17231), 0 states have call successors, (0), 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 22:56:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17231 transitions. [2021-10-28 22:56:48,366 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17231 transitions. Word has length 1355 [2021-10-28 22:56:48,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:48,368 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17231 transitions. [2021-10-28 22:56:48,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 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 22:56:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17231 transitions. [2021-10-28 22:56:48,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2021-10-28 22:56:48,424 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:48,427 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-28 22:56:48,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 22:56:48,427 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:48,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:48,429 INFO L85 PathProgramCache]: Analyzing trace with hash 889284322, now seen corresponding path program 1 times [2021-10-28 22:56:48,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:48,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508210646] [2021-10-28 22:56:48,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:48,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3411 backedges. 1624 proven. 0 refuted. 0 times theorem prover too weak. 1787 trivial. 0 not checked. [2021-10-28 22:56:49,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:49,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508210646] [2021-10-28 22:56:49,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508210646] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:49,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:49,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:49,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687698109] [2021-10-28 22:56:49,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:49,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:49,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:49,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:49,219 INFO L87 Difference]: Start difference. First operand 16783 states and 17231 transitions. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 22:56:50,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:50,417 INFO L93 Difference]: Finished difference Result 33233 states and 34128 transitions. [2021-10-28 22:56:50,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:50,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 1365 [2021-10-28 22:56:50,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:50,420 INFO L225 Difference]: With dead ends: 33233 [2021-10-28 22:56:50,420 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:56:50,430 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 22:56:50,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:56:50,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:56:50,431 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 22:56:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:56:50,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1365 [2021-10-28 22:56:50,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:50,432 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:56:50,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 22:56:50,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:56:50,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:56:50,435 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:50,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 22:56:50,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:56:50,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:50,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:50,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:50,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:51,906 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,906 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,906 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,906 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,907 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,907 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,907 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,907 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,907 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,908 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,908 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,908 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,908 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,909 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,909 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,909 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 22:56:51,909 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 22:56:51,909 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 22:56:51,909 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,910 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,910 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,910 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,910 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,910 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,911 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,911 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,911 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,911 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,911 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,912 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,912 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,912 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,912 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,912 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,913 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,913 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,913 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 22:56:51,913 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 22:56:51,913 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 22:56:51,914 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,914 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,914 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,914 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,914 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,915 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,915 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,915 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,915 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,915 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,916 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 22:56:51,916 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 22:56:51,916 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 22:56:51,916 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,916 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,917 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,917 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,917 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,917 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,917 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,918 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,918 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,918 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,918 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,918 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,919 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,919 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,919 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,919 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,919 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,920 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,920 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,920 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 22:56:51,920 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,920 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 22:56:51,921 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 22:56:51,921 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse15 (+ 87 ~a18~0))) (let ((.cse9 (<= .cse15 0)) (.cse4 (= 5 ~a12~0)) (.cse6 (= ~a15~0 3)) (.cse0 (= ~a16~0 9)) (.cse13 (<= 4 ~a15~0)) (.cse12 (= ~a12~0 8)) (.cse7 (= ~a16~0 8)) (.cse1 (= 7 ~a12~0)) (.cse3 (<= 0 .cse15)) (.cse10 (<= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse14 (<= 6 ~a12~0)) (.cse2 (= ~a12~0 9)) (.cse8 (<= ~a15~0 3)) (.cse11 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and .cse3 .cse0 .cse8) (and .cse0 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse9) (and .cse7 .cse10) (and .cse4 .cse6 .cse11) (and .cse0 .cse12) (and .cse7 .cse13 .cse1) (and (<= ~a12~0 5) .cse5 .cse13) (and .cse7 .cse12) (and .cse8 .cse12) (and .cse2 .cse7) (and .cse8 .cse11 .cse1) (and .cse3 .cse8 .cse10 .cse14) (and .cse10 .cse5 .cse14) (and .cse2 .cse8 .cse11)))) [2021-10-28 22:56:51,921 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,922 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,922 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,922 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,922 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,923 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,923 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,923 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,923 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,923 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,924 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 22:56:51,924 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 22:56:51,924 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,924 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 22:56:51,924 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,924 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,925 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,925 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,925 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,925 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,926 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,926 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,926 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,926 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,926 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,927 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,927 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,927 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,927 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,927 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,928 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,928 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 22:56:51,928 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,928 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 22:56:51,928 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 22:56:51,929 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,929 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,929 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,929 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,929 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,930 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,930 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,930 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,930 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,930 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,931 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,931 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 22:56:51,931 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 22:56:51,931 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,931 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 22:56:51,932 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,932 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse15 (+ 87 ~a18~0))) (let ((.cse5 (<= .cse15 0)) (.cse12 (<= 4 ~a15~0)) (.cse11 (= ~a12~0 8)) (.cse3 (= ~a16~0 8)) (.cse0 (= ~a16~0 9)) (.cse7 (= 5 ~a12~0)) (.cse8 (= ~a15~0 3)) (.cse1 (= 7 ~a12~0)) (.cse6 (<= 0 .cse15)) (.cse9 (<= ~a12~0 6)) (.cse13 (<= ~a16~0 11)) (.cse14 (<= 6 ~a12~0)) (.cse2 (= ~a12~0 9)) (.cse4 (<= ~a15~0 3)) (.cse10 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (and .cse6 .cse0 .cse4) (and .cse2 .cse4 .cse5) (and .cse3 .cse9) (and .cse7 .cse8 .cse10) (and .cse0 .cse11) (and .cse3 .cse12 .cse1) (and (<= ~a12~0 5) .cse13 .cse12) (and .cse3 .cse11) (and .cse4 .cse11) (and .cse2 .cse3) (and .cse0 .cse7 .cse8) (and .cse4 .cse10 .cse1) (and .cse6 .cse4 .cse9 .cse14) (and .cse9 .cse13 .cse14) (and .cse2 .cse4 .cse10)))) [2021-10-28 22:56:51,932 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,932 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,933 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,933 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,933 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,933 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,933 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,934 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,934 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:56:51,934 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,934 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,934 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,935 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,935 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,935 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,935 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 22:56:51,935 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,936 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 22:56:51,936 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 22:56:51,936 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,936 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-28 22:56:51,936 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,937 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,937 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,937 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,937 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,937 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,938 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,938 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,938 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,938 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,938 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,939 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 22:56:51,939 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,939 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 22:56:51,939 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,939 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 22:56:51,940 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,940 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,940 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,940 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,940 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,941 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,941 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,941 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,941 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,941 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,942 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,942 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,942 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,942 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,942 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,943 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,943 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 22:56:51,943 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 22:56:51,943 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 22:56:51,943 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:56:51,944 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-10-28 22:56:51,944 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse15 (+ 87 ~a18~0))) (let ((.cse9 (<= .cse15 0)) (.cse4 (= 5 ~a12~0)) (.cse6 (= ~a15~0 3)) (.cse0 (= ~a16~0 9)) (.cse13 (<= 4 ~a15~0)) (.cse12 (= ~a12~0 8)) (.cse7 (= ~a16~0 8)) (.cse1 (= 7 ~a12~0)) (.cse3 (<= 0 .cse15)) (.cse10 (<= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse14 (<= 6 ~a12~0)) (.cse2 (= ~a12~0 9)) (.cse8 (<= ~a15~0 3)) (.cse11 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and .cse3 .cse0 .cse8) (and .cse0 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse9) (and .cse7 .cse10) (and .cse4 .cse6 .cse11) (and .cse0 .cse12) (and .cse7 .cse13 .cse1) (and (<= ~a12~0 5) .cse5 .cse13) (and .cse7 .cse12) (and .cse8 .cse12) (and .cse2 .cse7) (and .cse8 .cse11 .cse1) (and .cse3 .cse8 .cse10 .cse14) (and .cse10 .cse5 .cse14) (and .cse2 .cse8 .cse11)))) [2021-10-28 22:56:51,944 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,944 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,945 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,945 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,945 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,945 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,945 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,946 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,946 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,946 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,946 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,946 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,947 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,947 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,947 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 22:56:51,947 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,947 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 22:56:51,948 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 22:56:51,948 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,948 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,948 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,948 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,949 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,949 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,949 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,949 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,949 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,950 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,950 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,950 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,950 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-28 22:56:51,950 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,951 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,951 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,951 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,951 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,951 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 22:56:51,952 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 22:56:51,952 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 22:56:51,952 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,952 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,953 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,953 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,953 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,953 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,953 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,954 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,954 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,954 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,954 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,954 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,955 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,955 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 22:56:51,955 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,955 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 22:56:51,955 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 22:56:51,956 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,956 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,956 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,956 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,956 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,957 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,957 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,957 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,957 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,958 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,958 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,958 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,958 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,958 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,959 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 22:56:51,959 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 22:56:51,959 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 22:56:51,959 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,959 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,960 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,960 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,960 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,960 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,960 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,961 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,961 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,961 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,961 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,961 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,962 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,962 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,962 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 22:56:51,962 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,962 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 22:56:51,963 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 22:56:51,963 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,963 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,963 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,963 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,963 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,964 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,964 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,964 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,964 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,964 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,965 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,965 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,965 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,965 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,965 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 22:56:51,966 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 22:56:51,966 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 22:56:51,966 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,966 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,966 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,967 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,967 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,967 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,967 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,967 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,968 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,968 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,968 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,968 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,968 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,969 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,969 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:56:51,969 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,969 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 22:56:51,969 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 22:56:51,969 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,970 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,970 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,970 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,970 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,970 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,971 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,971 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,971 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,971 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,971 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,972 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,972 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 22:56:51,972 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 22:56:51,972 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,972 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,973 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,973 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,973 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,973 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,973 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,973 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,974 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,974 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,974 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,974 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,974 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,975 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,975 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,975 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,975 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 22:56:51,975 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 22:56:51,976 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,976 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,976 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,976 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,976 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,977 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,977 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,977 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,977 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,977 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:56:51,977 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,978 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,978 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 22:56:51,978 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 22:56:51,978 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,978 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,979 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,979 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,979 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,979 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,979 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,980 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,980 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,980 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,980 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,980 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,981 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,981 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,981 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,981 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,981 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,982 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 22:56:51,982 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 22:56:51,982 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,982 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,982 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,982 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,983 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,983 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,983 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-28 22:56:51,983 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,983 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,984 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,984 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 22:56:51,984 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-28 22:56:51,984 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,984 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,985 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-28 22:56:51,985 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 22:56:51,985 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 22:56:51,985 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 22:56:51,990 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:51,991 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:56:52,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:56:52 BoogieIcfgContainer [2021-10-28 22:56:52,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:56:52,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:56:52,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:56:52,021 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:56:52,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:07" (3/4) ... [2021-10-28 22:56:52,025 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:56:52,070 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 22:56:52,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 22:56:52,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:56:52,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:56:52,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:56:52,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:56:52,358 INFO L168 Benchmark]: Toolchain (without parser) took 49629.04 ms. Allocated memory was 136.3 MB in the beginning and 822.1 MB in the end (delta: 685.8 MB). Free memory was 96.7 MB in the beginning and 528.8 MB in the end (delta: -432.1 MB). Peak memory consumption was 254.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:52,358 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:56:52,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1346.27 ms. Allocated memory is still 136.3 MB. Free memory was 96.7 MB in the beginning and 63.8 MB in the end (delta: 32.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:52,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 264.95 ms. Allocated memory is still 136.3 MB. Free memory was 63.8 MB in the beginning and 95.0 MB in the end (delta: -31.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:52,360 INFO L168 Benchmark]: Boogie Preprocessor took 246.93 ms. Allocated memory is still 136.3 MB. Free memory was 95.0 MB in the beginning and 91.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:52,360 INFO L168 Benchmark]: RCFGBuilder took 3268.31 ms. Allocated memory was 136.3 MB in the beginning and 216.0 MB in the end (delta: 79.7 MB). Free memory was 91.3 MB in the beginning and 158.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:52,361 INFO L168 Benchmark]: TraceAbstraction took 44155.57 ms. Allocated memory was 216.0 MB in the beginning and 822.1 MB in the end (delta: 606.1 MB). Free memory was 158.0 MB in the beginning and 566.5 MB in the end (delta: -408.6 MB). Peak memory consumption was 577.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:52,361 INFO L168 Benchmark]: Witness Printer took 335.73 ms. Allocated memory is still 822.1 MB. Free memory was 566.5 MB in the beginning and 528.8 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:52,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1346.27 ms. Allocated memory is still 136.3 MB. Free memory was 96.7 MB in the beginning and 63.8 MB in the end (delta: 32.9 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 264.95 ms. Allocated memory is still 136.3 MB. Free memory was 63.8 MB in the beginning and 95.0 MB in the end (delta: -31.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 246.93 ms. Allocated memory is still 136.3 MB. Free memory was 95.0 MB in the beginning and 91.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3268.31 ms. Allocated memory was 136.3 MB in the beginning and 216.0 MB in the end (delta: 79.7 MB). Free memory was 91.3 MB in the beginning and 158.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44155.57 ms. Allocated memory was 216.0 MB in the beginning and 822.1 MB in the end (delta: 606.1 MB). Free memory was 158.0 MB in the beginning and 566.5 MB in the end (delta: -408.6 MB). Peak memory consumption was 577.1 MB. Max. memory is 16.1 GB. * Witness Printer took 335.73 ms. Allocated memory is still 822.1 MB. Free memory was 566.5 MB in the beginning and 528.8 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 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: 158]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.0s, OverallIterations: 17, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 28.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4288 SDtfs, 4316 SDslu, 215 SDs, 0 SdLazy, 15592 SolverSat, 2806 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 436 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17112occurred in iteration=13, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 3328 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 208 NumberOfFragments, 562 HoareAnnotationTreeSize, 4 FomulaSimplifications, 5709 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1607 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 11465 NumberOfCodeBlocks, 11465 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 11447 ConstructedInterpolants, 0 QuantifiedInterpolants, 29450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 18 InterpolantComputations, 17 PerfectInterpolantSequences, 21604/21640 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 == 9 && 7 == a12) || (a12 == 9 && a16 == 9)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && 5 == a12) && a15 == 3)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || (a16 == 9 && a12 == 8)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a16 == 8 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 == 9 && 7 == a12) || (a12 == 9 && a16 == 9)) || (((0 <= 87 + a18 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || (((a16 == 9 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || (a16 == 9 && a12 == 8)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a16 == 8 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((a16 == 9 && 7 == a12) || (a12 == 9 && a16 == 9)) || (((0 <= 87 + a18 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 8 && a15 <= 3) && 87 + a18 <= 0)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || (((a16 == 9 && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || (a16 == 9 && a12 == 8)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 5 && a16 <= 11) && 4 <= a15)) || (a16 == 8 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || (a12 == 9 && a16 == 8)) || ((a15 <= 3 && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 22:56:52,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba2aec29-4a43-4be5-a61f-5c6b719bb52b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...