./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0 --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 44d07c49543a420b190637df21c7e31435249a3781140dab3c41eadeeaf7c396 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:32:08,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:32:08,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:32:08,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:32:08,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:32:08,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:32:08,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:32:08,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:32:08,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:32:08,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:32:08,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:32:08,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:32:08,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:32:08,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:32:08,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:32:08,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:32:08,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:32:08,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:32:08,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:32:08,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:32:08,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:32:08,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:32:08,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:32:08,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:32:08,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:32:08,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:32:08,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:32:08,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:32:08,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:32:08,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:32:08,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:32:08,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:32:08,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:32:08,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:32:08,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:32:08,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:32:08,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:32:08,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:32:08,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:32:08,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:32:08,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:32:08,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:32:08,249 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:32:08,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:32:08,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:32:08,250 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:32:08,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:32:08,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:32:08,253 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:32:08,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:32:08,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:32:08,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:32:08,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:32:08,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:32:08,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:32:08,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:32:08,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:32:08,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:32:08,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:32:08,256 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:32:08,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:32:08,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:32:08,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:32:08,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:32:08,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:32:08,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:32:08,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:32:08,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:32:08,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:32:08,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:32:08,259 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:32:08,259 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:32:08,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:32:08,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:32:08,262 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_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44d07c49543a420b190637df21c7e31435249a3781140dab3c41eadeeaf7c396 [2021-11-22 14:32:08,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:32:08,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:32:08,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:32:08,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:32:08,568 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:32:08,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/eca-rers2012/Problem15_label57.c [2021-11-22 14:32:08,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/data/6796f8e50/3788ddf96c364d09a2727f9d7544185c/FLAGeba4f063b [2021-11-22 14:32:09,450 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:32:09,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/sv-benchmarks/c/eca-rers2012/Problem15_label57.c [2021-11-22 14:32:09,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/data/6796f8e50/3788ddf96c364d09a2727f9d7544185c/FLAGeba4f063b [2021-11-22 14:32:09,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/data/6796f8e50/3788ddf96c364d09a2727f9d7544185c [2021-11-22 14:32:09,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:32:09,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:32:09,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:32:09,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:32:09,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:32:09,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:32:09" (1/1) ... [2021-11-22 14:32:09,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524abc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:09, skipping insertion in model container [2021-11-22 14:32:09,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:32:09" (1/1) ... [2021-11-22 14:32:09,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:32:09,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:32:09,927 WARN L230 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_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/sv-benchmarks/c/eca-rers2012/Problem15_label57.c[5113,5126] [2021-11-22 14:32:10,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:32:10,399 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:32:10,437 WARN L230 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_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/sv-benchmarks/c/eca-rers2012/Problem15_label57.c[5113,5126] [2021-11-22 14:32:10,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:32:10,781 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:32:10,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10 WrapperNode [2021-11-22 14:32:10,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:32:10,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:32:10,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:32:10,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:32:10,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:10,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,084 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-11-22 14:32:11,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:32:11,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:32:11,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:32:11,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:32:11,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:32:11,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:32:11,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:32:11,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:32:11,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (1/1) ... [2021-11-22 14:32:11,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:32:11,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:32:11,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:32:11,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:32:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:32:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:32:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:32:11,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:32:11,474 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:32:11,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:32:14,623 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:32:14,636 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:32:14,637 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 14:32:14,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:32:14 BoogieIcfgContainer [2021-11-22 14:32:14,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:32:14,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:32:14,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:32:14,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:32:14,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:32:09" (1/3) ... [2021-11-22 14:32:14,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba8205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:32:14, skipping insertion in model container [2021-11-22 14:32:14,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:10" (2/3) ... [2021-11-22 14:32:14,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba8205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:32:14, skipping insertion in model container [2021-11-22 14:32:14,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:32:14" (3/3) ... [2021-11-22 14:32:14,649 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label57.c [2021-11-22 14:32:14,654 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:32:14,655 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 14:32:14,707 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:32:14,714 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 [2021-11-22 14:32:14,714 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 14:32:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 14:32:14,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:14,749 INFO L514 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] [2021-11-22 14:32:14,749 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:14,755 INFO L85 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2021-11-22 14:32:14,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:14,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565238610] [2021-11-22 14:32:14,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:14,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:32:15,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:15,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565238610] [2021-11-22 14:32:15,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565238610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:15,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:15,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:32:15,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210574259] [2021-11-22 14:32:15,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:15,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:15,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:15,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:15,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:15,086 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:17,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:17,745 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-11-22 14:32:17,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:17,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2021-11-22 14:32:17,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:17,766 INFO L225 Difference]: With dead ends: 1154 [2021-11-22 14:32:17,767 INFO L226 Difference]: Without dead ends: 665 [2021-11-22 14:32:17,772 INFO L932 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 [2021-11-22 14:32:17,776 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 280 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:17,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-22 14:32:17,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-11-22 14:32:17,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-11-22 14:32:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-11-22 14:32:17,861 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 41 [2021-11-22 14:32:17,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:17,862 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-11-22 14:32:17,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-11-22 14:32:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 14:32:17,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:17,867 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:32:17,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:32:17,868 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:17,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:17,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1261028001, now seen corresponding path program 1 times [2021-11-22 14:32:17,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:17,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480200958] [2021-11-22 14:32:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:17,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:32:18,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:18,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480200958] [2021-11-22 14:32:18,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480200958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:18,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:18,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:32:18,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653916248] [2021-11-22 14:32:18,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:18,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:18,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:18,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:18,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:18,056 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:19,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:19,944 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-11-22 14:32:19,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:19,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-11-22 14:32:19,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:19,951 INFO L225 Difference]: With dead ends: 1624 [2021-11-22 14:32:19,951 INFO L226 Difference]: Without dead ends: 963 [2021-11-22 14:32:19,954 INFO L932 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 [2021-11-22 14:32:19,956 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:19,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-22 14:32:19,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-11-22 14:32:19,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-11-22 14:32:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-11-22 14:32:20,008 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 106 [2021-11-22 14:32:20,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:20,009 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-11-22 14:32:20,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-11-22 14:32:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 14:32:20,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:20,012 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:32:20,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:32:20,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:20,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:20,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1401995186, now seen corresponding path program 1 times [2021-11-22 14:32:20,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:20,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079212524] [2021-11-22 14:32:20,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:20,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:32:20,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:20,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079212524] [2021-11-22 14:32:20,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079212524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:20,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:20,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:32:20,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647120006] [2021-11-22 14:32:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:20,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 14:32:20,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:20,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 14:32:20,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 14:32:20,199 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:22,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:22,777 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2021-11-22 14:32:22,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:32:22,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-11-22 14:32:22,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:22,787 INFO L225 Difference]: With dead ends: 2244 [2021-11-22 14:32:22,788 INFO L226 Difference]: Without dead ends: 1582 [2021-11-22 14:32:22,789 INFO L932 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 [2021-11-22 14:32:22,791 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 362 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:22,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 365 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-22 14:32:22,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2021-11-22 14:32:22,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2021-11-22 14:32:22,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2021-11-22 14:32:22,828 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 111 [2021-11-22 14:32:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:22,829 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2021-11-22 14:32:22,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2021-11-22 14:32:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-22 14:32:22,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:22,834 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:22,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 14:32:22,834 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:22,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:22,835 INFO L85 PathProgramCache]: Analyzing trace with hash -44666358, now seen corresponding path program 1 times [2021-11-22 14:32:22,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:22,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541999365] [2021-11-22 14:32:22,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:22,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:23,055 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:32:23,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:23,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541999365] [2021-11-22 14:32:23,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541999365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:23,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:23,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:32:23,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279542048] [2021-11-22 14:32:23,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:23,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:32:23,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:23,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:32:23,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:32:23,063 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:27,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:27,104 INFO L93 Difference]: Finished difference Result 4668 states and 6169 transitions. [2021-11-22 14:32:27,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:32:27,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 207 [2021-11-22 14:32:27,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:27,125 INFO L225 Difference]: With dead ends: 4668 [2021-11-22 14:32:27,125 INFO L226 Difference]: Without dead ends: 3404 [2021-11-22 14:32:27,128 INFO L932 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 [2021-11-22 14:32:27,130 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 488 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:27,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 346 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-22 14:32:27,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2021-11-22 14:32:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2021-11-22 14:32:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2363905325443787) internal successors, (4179), 3380 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4179 transitions. [2021-11-22 14:32:27,229 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4179 transitions. Word has length 207 [2021-11-22 14:32:27,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:27,231 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4179 transitions. [2021-11-22 14:32:27,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4179 transitions. [2021-11-22 14:32:27,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-22 14:32:27,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:27,240 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:27,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 14:32:27,241 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:27,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:27,242 INFO L85 PathProgramCache]: Analyzing trace with hash -146108908, now seen corresponding path program 1 times [2021-11-22 14:32:27,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:27,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702673213] [2021-11-22 14:32:27,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:27,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-22 14:32:27,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:27,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702673213] [2021-11-22 14:32:27,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702673213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:27,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:27,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:32:27,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113961941] [2021-11-22 14:32:27,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:27,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:27,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:27,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:27,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:27,425 INFO L87 Difference]: Start difference. First operand 3381 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:29,206 INFO L93 Difference]: Finished difference Result 8563 states and 10751 transitions. [2021-11-22 14:32:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:29,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 211 [2021-11-22 14:32:29,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:29,237 INFO L225 Difference]: With dead ends: 8563 [2021-11-22 14:32:29,237 INFO L226 Difference]: Without dead ends: 5483 [2021-11-22 14:32:29,241 INFO L932 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 [2021-11-22 14:32:29,243 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:29,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 14:32:29,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-11-22 14:32:29,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-11-22 14:32:29,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1683403322987036) internal successors, (6399), 5477 states have internal predecessors, (6399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2021-11-22 14:32:29,421 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 211 [2021-11-22 14:32:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:29,422 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2021-11-22 14:32:29,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2021-11-22 14:32:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-22 14:32:29,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:29,436 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:29,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 14:32:29,437 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:29,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:29,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2037693932, now seen corresponding path program 1 times [2021-11-22 14:32:29,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:29,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883766159] [2021-11-22 14:32:29,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:29,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-22 14:32:29,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:29,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883766159] [2021-11-22 14:32:29,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883766159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:29,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:29,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 14:32:29,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849367286] [2021-11-22 14:32:29,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:29,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:29,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:29,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:29,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:29,731 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:31,592 INFO L93 Difference]: Finished difference Result 10655 states and 12485 transitions. [2021-11-22 14:32:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:31,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 313 [2021-11-22 14:32:31,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:31,626 INFO L225 Difference]: With dead ends: 10655 [2021-11-22 14:32:31,626 INFO L226 Difference]: Without dead ends: 5478 [2021-11-22 14:32:31,633 INFO L932 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 [2021-11-22 14:32:31,634 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:31,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-22 14:32:31,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-11-22 14:32:31,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-11-22 14:32:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1672448420668249) internal successors, (6393), 5477 states have internal predecessors, (6393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6393 transitions. [2021-11-22 14:32:31,778 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6393 transitions. Word has length 313 [2021-11-22 14:32:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:31,779 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6393 transitions. [2021-11-22 14:32:31,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6393 transitions. [2021-11-22 14:32:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-22 14:32:31,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:31,788 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:31,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 14:32:31,788 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:31,789 INFO L85 PathProgramCache]: Analyzing trace with hash -676681507, now seen corresponding path program 1 times [2021-11-22 14:32:31,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:31,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335326929] [2021-11-22 14:32:31,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:31,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-22 14:32:31,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:31,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335326929] [2021-11-22 14:32:31,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335326929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:31,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:31,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:32:31,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543949075] [2021-11-22 14:32:31,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:31,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:31,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:31,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:31,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:31,994 INFO L87 Difference]: Start difference. First operand 5478 states and 6393 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:34,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:34,260 INFO L93 Difference]: Finished difference Result 11851 states and 14145 transitions. [2021-11-22 14:32:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:34,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 328 [2021-11-22 14:32:34,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:34,297 INFO L225 Difference]: With dead ends: 11851 [2021-11-22 14:32:34,298 INFO L226 Difference]: Without dead ends: 6674 [2021-11-22 14:32:34,305 INFO L932 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 [2021-11-22 14:32:34,306 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 274 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:34,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 14:32:34,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2021-11-22 14:32:34,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4577. [2021-11-22 14:32:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 4576 states have (on average 1.1840034965034965) internal successors, (5418), 4576 states have internal predecessors, (5418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5418 transitions. [2021-11-22 14:32:34,445 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5418 transitions. Word has length 328 [2021-11-22 14:32:34,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:34,446 INFO L470 AbstractCegarLoop]: Abstraction has 4577 states and 5418 transitions. [2021-11-22 14:32:34,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5418 transitions. [2021-11-22 14:32:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-11-22 14:32:34,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:34,457 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:34,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 14:32:34,458 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:34,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:34,460 INFO L85 PathProgramCache]: Analyzing trace with hash -753271270, now seen corresponding path program 1 times [2021-11-22 14:32:34,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:34,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449315533] [2021-11-22 14:32:34,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:34,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-22 14:32:34,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:34,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449315533] [2021-11-22 14:32:34,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449315533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:34,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:34,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:32:34,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606123510] [2021-11-22 14:32:34,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:34,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:34,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:34,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:34,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:34,673 INFO L87 Difference]: Start difference. First operand 4577 states and 5418 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:36,582 INFO L93 Difference]: Finished difference Result 10955 states and 13233 transitions. [2021-11-22 14:32:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:36,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 387 [2021-11-22 14:32:36,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:36,625 INFO L225 Difference]: With dead ends: 10955 [2021-11-22 14:32:36,626 INFO L226 Difference]: Without dead ends: 6679 [2021-11-22 14:32:36,632 INFO L932 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 [2021-11-22 14:32:36,633 INFO L933 BasicCegarLoop]: 600 mSDtfsCounter, 287 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:36,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-22 14:32:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2021-11-22 14:32:36,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6081. [2021-11-22 14:32:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 1.1572368421052632) internal successors, (7036), 6080 states have internal predecessors, (7036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7036 transitions. [2021-11-22 14:32:36,765 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7036 transitions. Word has length 387 [2021-11-22 14:32:36,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:36,766 INFO L470 AbstractCegarLoop]: Abstraction has 6081 states and 7036 transitions. [2021-11-22 14:32:36,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7036 transitions. [2021-11-22 14:32:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-11-22 14:32:36,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:36,778 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:36,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 14:32:36,778 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:36,779 INFO L85 PathProgramCache]: Analyzing trace with hash -20645050, now seen corresponding path program 1 times [2021-11-22 14:32:36,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:36,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420024777] [2021-11-22 14:32:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:36,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:32:37,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:37,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420024777] [2021-11-22 14:32:37,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420024777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:37,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:37,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:32:37,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120019368] [2021-11-22 14:32:37,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:37,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:37,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:37,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:37,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:37,029 INFO L87 Difference]: Start difference. First operand 6081 states and 7036 transitions. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:38,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:38,525 INFO L93 Difference]: Finished difference Result 11857 states and 13761 transitions. [2021-11-22 14:32:38,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:38,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 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 393 [2021-11-22 14:32:38,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:38,545 INFO L225 Difference]: With dead ends: 11857 [2021-11-22 14:32:38,545 INFO L226 Difference]: Without dead ends: 6077 [2021-11-22 14:32:38,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:38,554 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:38,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-22 14:32:38,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6077 states. [2021-11-22 14:32:38,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6077 to 6075. [2021-11-22 14:32:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6075 states, 6074 states have (on average 1.141751728679618) internal successors, (6935), 6074 states have internal predecessors, (6935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6075 states to 6075 states and 6935 transitions. [2021-11-22 14:32:38,646 INFO L78 Accepts]: Start accepts. Automaton has 6075 states and 6935 transitions. Word has length 393 [2021-11-22 14:32:38,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:38,647 INFO L470 AbstractCegarLoop]: Abstraction has 6075 states and 6935 transitions. [2021-11-22 14:32:38,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 6075 states and 6935 transitions. [2021-11-22 14:32:38,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2021-11-22 14:32:38,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:38,658 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2021-11-22 14:32:38,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 14:32:38,658 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:38,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:38,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2057320301, now seen corresponding path program 1 times [2021-11-22 14:32:38,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:38,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577732481] [2021-11-22 14:32:38,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:38,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:32:38,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:38,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577732481] [2021-11-22 14:32:38,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577732481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:38,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:38,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:32:38,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813044741] [2021-11-22 14:32:38,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:38,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:38,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:38,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:38,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:38,892 INFO L87 Difference]: Start difference. First operand 6075 states and 6935 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:40,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:40,557 INFO L93 Difference]: Finished difference Result 13954 states and 16191 transitions. [2021-11-22 14:32:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:40,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 404 [2021-11-22 14:32:40,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:40,577 INFO L225 Difference]: With dead ends: 13954 [2021-11-22 14:32:40,578 INFO L226 Difference]: Without dead ends: 8180 [2021-11-22 14:32:40,586 INFO L932 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 [2021-11-22 14:32:40,586 INFO L933 BasicCegarLoop]: 561 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:40,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 599 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 14:32:40,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8180 states. [2021-11-22 14:32:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8180 to 7579. [2021-11-22 14:32:40,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.1307732911058326) internal successors, (8569), 7578 states have internal predecessors, (8569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8569 transitions. [2021-11-22 14:32:40,829 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8569 transitions. Word has length 404 [2021-11-22 14:32:40,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:40,830 INFO L470 AbstractCegarLoop]: Abstraction has 7579 states and 8569 transitions. [2021-11-22 14:32:40,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:40,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8569 transitions. [2021-11-22 14:32:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-11-22 14:32:40,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:40,839 INFO L514 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:40,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 14:32:40,840 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:40,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:40,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1510592960, now seen corresponding path program 1 times [2021-11-22 14:32:40,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:40,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336305820] [2021-11-22 14:32:40,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:40,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-22 14:32:41,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:41,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336305820] [2021-11-22 14:32:41,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336305820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:41,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:41,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:32:41,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810297752] [2021-11-22 14:32:41,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:41,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:41,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:41,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:41,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:41,102 INFO L87 Difference]: Start difference. First operand 7579 states and 8569 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:43,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:43,085 INFO L93 Difference]: Finished difference Result 16651 states and 19125 transitions. [2021-11-22 14:32:43,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:43,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 418 [2021-11-22 14:32:43,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:43,105 INFO L225 Difference]: With dead ends: 16651 [2021-11-22 14:32:43,106 INFO L226 Difference]: Without dead ends: 9373 [2021-11-22 14:32:43,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:43,116 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 349 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:43,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [349 Valid, 152 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-22 14:32:43,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9373 states. [2021-11-22 14:32:43,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9373 to 8775. [2021-11-22 14:32:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8775 states, 8774 states have (on average 1.1498746295874174) internal successors, (10089), 8774 states have internal predecessors, (10089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8775 states to 8775 states and 10089 transitions. [2021-11-22 14:32:43,263 INFO L78 Accepts]: Start accepts. Automaton has 8775 states and 10089 transitions. Word has length 418 [2021-11-22 14:32:43,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:43,264 INFO L470 AbstractCegarLoop]: Abstraction has 8775 states and 10089 transitions. [2021-11-22 14:32:43,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 8775 states and 10089 transitions. [2021-11-22 14:32:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-11-22 14:32:43,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:43,274 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:43,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 14:32:43,275 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:43,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:43,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1491910520, now seen corresponding path program 1 times [2021-11-22 14:32:43,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:43,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969729602] [2021-11-22 14:32:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:43,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-22 14:32:43,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:43,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969729602] [2021-11-22 14:32:43,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969729602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:43,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:43,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:32:43,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340303298] [2021-11-22 14:32:43,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:43,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:43,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:43,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:43,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:43,541 INFO L87 Difference]: Start difference. First operand 8775 states and 10089 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:45,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:45,303 INFO L93 Difference]: Finished difference Result 17550 states and 20205 transitions. [2021-11-22 14:32:45,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:45,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 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 493 [2021-11-22 14:32:45,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:45,323 INFO L225 Difference]: With dead ends: 17550 [2021-11-22 14:32:45,323 INFO L226 Difference]: Without dead ends: 9076 [2021-11-22 14:32:45,333 INFO L932 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 [2021-11-22 14:32:45,334 INFO L933 BasicCegarLoop]: 579 mSDtfsCounter, 251 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:45,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 618 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 14:32:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2021-11-22 14:32:45,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 9073. [2021-11-22 14:32:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9073 states, 9072 states have (on average 1.123015873015873) internal successors, (10188), 9072 states have internal predecessors, (10188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:45,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 10188 transitions. [2021-11-22 14:32:45,488 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 10188 transitions. Word has length 493 [2021-11-22 14:32:45,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:45,489 INFO L470 AbstractCegarLoop]: Abstraction has 9073 states and 10188 transitions. [2021-11-22 14:32:45,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 10188 transitions. [2021-11-22 14:32:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-11-22 14:32:45,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:45,499 INFO L514 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, 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, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:45,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 14:32:45,499 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:45,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:45,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1747364082, now seen corresponding path program 1 times [2021-11-22 14:32:45,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:45,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855430584] [2021-11-22 14:32:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:45,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 487 proven. 39 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-22 14:32:45,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:45,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855430584] [2021-11-22 14:32:45,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855430584] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:32:45,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650752130] [2021-11-22 14:32:45,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:45,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:32:45,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:32:45,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:32:45,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 14:32:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:46,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:32:46,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:32:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-11-22 14:32:47,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:32:47,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650752130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:47,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 14:32:47,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-22 14:32:47,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470413026] [2021-11-22 14:32:47,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:47,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:47,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:47,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:47,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:32:47,280 INFO L87 Difference]: Start difference. First operand 9073 states and 10188 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:49,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:49,329 INFO L93 Difference]: Finished difference Result 19937 states and 22660 transitions. [2021-11-22 14:32:49,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:49,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 525 [2021-11-22 14:32:49,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:49,357 INFO L225 Difference]: With dead ends: 19937 [2021-11-22 14:32:49,357 INFO L226 Difference]: Without dead ends: 11165 [2021-11-22 14:32:49,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:32:49,369 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 376 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:49,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 447 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-22 14:32:49,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11165 states. [2021-11-22 14:32:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11165 to 11165. [2021-11-22 14:32:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11165 states, 11164 states have (on average 1.1282694374776066) internal successors, (12596), 11164 states have internal predecessors, (12596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11165 states to 11165 states and 12596 transitions. [2021-11-22 14:32:49,534 INFO L78 Accepts]: Start accepts. Automaton has 11165 states and 12596 transitions. Word has length 525 [2021-11-22 14:32:49,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:49,535 INFO L470 AbstractCegarLoop]: Abstraction has 11165 states and 12596 transitions. [2021-11-22 14:32:49,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:49,536 INFO L276 IsEmpty]: Start isEmpty. Operand 11165 states and 12596 transitions. [2021-11-22 14:32:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2021-11-22 14:32:49,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:49,550 INFO L514 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, 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, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:49,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 14:32:49,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:32:49,773 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:49,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:49,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2144669948, now seen corresponding path program 1 times [2021-11-22 14:32:49,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:49,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122677651] [2021-11-22 14:32:49,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:49,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-11-22 14:32:50,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:50,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122677651] [2021-11-22 14:32:50,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122677651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:50,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:32:50,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:32:50,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813062083] [2021-11-22 14:32:50,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:50,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:50,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:50,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:50,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:32:50,081 INFO L87 Difference]: Start difference. First operand 11165 states and 12596 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) [2021-11-22 14:32:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:52,403 INFO L93 Difference]: Finished difference Result 26528 states and 30184 transitions. [2021-11-22 14:32:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:52,404 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 529 [2021-11-22 14:32:52,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:52,430 INFO L225 Difference]: With dead ends: 26528 [2021-11-22 14:32:52,431 INFO L226 Difference]: Without dead ends: 15664 [2021-11-22 14:32:52,442 INFO L932 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 [2021-11-22 14:32:52,443 INFO L933 BasicCegarLoop]: 565 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:52,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 598 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 14:32:52,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15664 states. [2021-11-22 14:32:52,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15664 to 15055. [2021-11-22 14:32:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15055 states, 15054 states have (on average 1.1198352597316328) internal successors, (16858), 15054 states have internal predecessors, (16858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15055 states to 15055 states and 16858 transitions. [2021-11-22 14:32:52,671 INFO L78 Accepts]: Start accepts. Automaton has 15055 states and 16858 transitions. Word has length 529 [2021-11-22 14:32:52,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:52,672 INFO L470 AbstractCegarLoop]: Abstraction has 15055 states and 16858 transitions. [2021-11-22 14:32:52,672 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) [2021-11-22 14:32:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 15055 states and 16858 transitions. [2021-11-22 14:32:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2021-11-22 14:32:52,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:52,686 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:32:52,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 14:32:52,686 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:52,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:52,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1150914448, now seen corresponding path program 1 times [2021-11-22 14:32:52,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:52,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219399840] [2021-11-22 14:32:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:52,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 644 proven. 39 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2021-11-22 14:32:53,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:53,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219399840] [2021-11-22 14:32:53,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219399840] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:32:53,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217948214] [2021-11-22 14:32:53,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:53,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:32:53,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:32:53,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:32:53,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 14:32:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:53,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:32:53,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:32:54,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-11-22 14:32:54,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:32:54,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217948214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:32:54,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 14:32:54,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-22 14:32:54,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968999791] [2021-11-22 14:32:54,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:32:54,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:32:54,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:32:54,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:32:54,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:32:54,343 INFO L87 Difference]: Start difference. First operand 15055 states and 16858 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:56,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:32:56,223 INFO L93 Difference]: Finished difference Result 29806 states and 33404 transitions. [2021-11-22 14:32:56,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:32:56,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 604 [2021-11-22 14:32:56,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:32:56,242 INFO L225 Difference]: With dead ends: 29806 [2021-11-22 14:32:56,242 INFO L226 Difference]: Without dead ends: 15052 [2021-11-22 14:32:56,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:32:56,255 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 252 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-22 14:32:56,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 604 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-22 14:32:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15052 states. [2021-11-22 14:32:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15052 to 15052. [2021-11-22 14:32:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15052 states, 15051 states have (on average 1.0794631585941135) internal successors, (16247), 15051 states have internal predecessors, (16247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15052 states to 15052 states and 16247 transitions. [2021-11-22 14:32:56,443 INFO L78 Accepts]: Start accepts. Automaton has 15052 states and 16247 transitions. Word has length 604 [2021-11-22 14:32:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:32:56,444 INFO L470 AbstractCegarLoop]: Abstraction has 15052 states and 16247 transitions. [2021-11-22 14:32:56,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:32:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 15052 states and 16247 transitions. [2021-11-22 14:32:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-11-22 14:32:56,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:32:56,514 INFO L514 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:32:56,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:32:56,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-22 14:32:56,737 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:32:56,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:32:56,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2107718095, now seen corresponding path program 1 times [2021-11-22 14:32:56,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:32:56,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654319770] [2021-11-22 14:32:56,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:56,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:32:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-22 14:32:56,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:32:56,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654319770] [2021-11-22 14:32:56,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654319770] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:32:56,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578365456] [2021-11-22 14:32:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:32:56,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:32:56,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:32:56,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:32:57,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 14:32:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:32:57,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 14:32:57,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:32:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-22 14:32:58,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 14:33:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 571 proven. 39 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-22 14:33:00,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578365456] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 14:33:00,821 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 14:33:00,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-22 14:33:00,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86178833] [2021-11-22 14:33:00,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 14:33:00,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 14:33:00,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:00,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 14:33:00,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-22 14:33:00,826 INFO L87 Difference]: Start difference. First operand 15052 states and 16247 transitions. Second operand has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:07,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:07,609 INFO L93 Difference]: Finished difference Result 38434 states and 41452 transitions. [2021-11-22 14:33:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-22 14:33:07,610 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 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 605 [2021-11-22 14:33:07,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:07,624 INFO L225 Difference]: With dead ends: 38434 [2021-11-22 14:33:07,625 INFO L226 Difference]: Without dead ends: 16247 [2021-11-22 14:33:07,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1219 GetRequests, 1205 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-11-22 14:33:07,636 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 2890 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 6348 mSolverCounterSat, 633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 6981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 6348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:07,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2890 Valid, 308 Invalid, 6981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [633 Valid, 6348 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-11-22 14:33:07,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16247 states. [2021-11-22 14:33:07,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16247 to 12357. [2021-11-22 14:33:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0382000647458725) internal successors, (12828), 12356 states have internal predecessors, (12828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12828 transitions. [2021-11-22 14:33:07,804 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12828 transitions. Word has length 605 [2021-11-22 14:33:07,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:07,804 INFO L470 AbstractCegarLoop]: Abstraction has 12357 states and 12828 transitions. [2021-11-22 14:33:07,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12828 transitions. [2021-11-22 14:33:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2021-11-22 14:33:07,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:07,816 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:33:07,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:33:08,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-22 14:33:08,045 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:08,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:08,045 INFO L85 PathProgramCache]: Analyzing trace with hash -357542820, now seen corresponding path program 1 times [2021-11-22 14:33:08,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:08,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860424587] [2021-11-22 14:33:08,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:08,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-11-22 14:33:08,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:08,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860424587] [2021-11-22 14:33:08,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860424587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:08,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:33:08,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:33:08,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917097779] [2021-11-22 14:33:08,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:08,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:33:08,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:08,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:33:08,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:33:08,347 INFO L87 Difference]: Start difference. First operand 12357 states and 12828 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:09,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:09,579 INFO L93 Difference]: Finished difference Result 28295 states and 29423 transitions. [2021-11-22 14:33:09,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:33:09,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 642 [2021-11-22 14:33:09,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:09,599 INFO L225 Difference]: With dead ends: 28295 [2021-11-22 14:33:09,600 INFO L226 Difference]: Without dead ends: 15940 [2021-11-22 14:33:09,609 INFO L932 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 [2021-11-22 14:33:09,610 INFO L933 BasicCegarLoop]: 496 mSDtfsCounter, 273 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:09,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 535 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 14:33:09,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2021-11-22 14:33:09,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15043. [2021-11-22 14:33:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15043 states, 15042 states have (on average 1.032974338518814) internal successors, (15538), 15042 states have internal predecessors, (15538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15043 states to 15043 states and 15538 transitions. [2021-11-22 14:33:09,858 INFO L78 Accepts]: Start accepts. Automaton has 15043 states and 15538 transitions. Word has length 642 [2021-11-22 14:33:09,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:09,860 INFO L470 AbstractCegarLoop]: Abstraction has 15043 states and 15538 transitions. [2021-11-22 14:33:09,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 15043 states and 15538 transitions. [2021-11-22 14:33:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2021-11-22 14:33:09,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:09,877 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:33:09,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-22 14:33:09,878 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:09,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash -698917892, now seen corresponding path program 1 times [2021-11-22 14:33:09,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:09,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812889954] [2021-11-22 14:33:09,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:09,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-11-22 14:33:10,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:10,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812889954] [2021-11-22 14:33:10,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812889954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:10,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:33:10,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 14:33:10,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227163726] [2021-11-22 14:33:10,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:10,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:33:10,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:10,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:33:10,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:33:10,194 INFO L87 Difference]: Start difference. First operand 15043 states and 15538 transitions. Second operand has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:11,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:11,975 INFO L93 Difference]: Finished difference Result 33973 states and 35169 transitions. [2021-11-22 14:33:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:33:11,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 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 666 [2021-11-22 14:33:11,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:11,989 INFO L225 Difference]: With dead ends: 33973 [2021-11-22 14:33:11,989 INFO L226 Difference]: Without dead ends: 18932 [2021-11-22 14:33:11,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 14:33:11,998 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 691 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 1684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:11,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [691 Valid, 426 Invalid, 1684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 14:33:12,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18932 states. [2021-11-22 14:33:12,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18932 to 18035. [2021-11-22 14:33:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18035 states, 18034 states have (on average 1.0311633581013642) internal successors, (18596), 18034 states have internal predecessors, (18596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18035 states to 18035 states and 18596 transitions. [2021-11-22 14:33:12,299 INFO L78 Accepts]: Start accepts. Automaton has 18035 states and 18596 transitions. Word has length 666 [2021-11-22 14:33:12,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:12,300 INFO L470 AbstractCegarLoop]: Abstraction has 18035 states and 18596 transitions. [2021-11-22 14:33:12,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 18035 states and 18596 transitions. [2021-11-22 14:33:12,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2021-11-22 14:33:12,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:12,315 INFO L514 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, 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, 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, 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] [2021-11-22 14:33:12,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-22 14:33:12,316 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1885333812, now seen corresponding path program 1 times [2021-11-22 14:33:12,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:12,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650740110] [2021-11-22 14:33:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:12,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2021-11-22 14:33:12,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:12,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650740110] [2021-11-22 14:33:12,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650740110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:12,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:33:12,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:33:12,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146935337] [2021-11-22 14:33:12,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:12,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:33:12,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:12,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:33:12,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:33:12,562 INFO L87 Difference]: Start difference. First operand 18035 states and 18596 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:13,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:13,716 INFO L93 Difference]: Finished difference Result 36065 states and 37196 transitions. [2021-11-22 14:33:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:33:13,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 697 [2021-11-22 14:33:13,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:13,729 INFO L225 Difference]: With dead ends: 36065 [2021-11-22 14:33:13,729 INFO L226 Difference]: Without dead ends: 18331 [2021-11-22 14:33:13,738 INFO L932 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 [2021-11-22 14:33:13,738 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:13,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 67 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 14:33:13,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18331 states. [2021-11-22 14:33:13,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18331 to 18031. [2021-11-22 14:33:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18031 states, 18030 states have (on average 1.031003882418192) internal successors, (18589), 18030 states have internal predecessors, (18589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:13,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18031 states to 18031 states and 18589 transitions. [2021-11-22 14:33:13,903 INFO L78 Accepts]: Start accepts. Automaton has 18031 states and 18589 transitions. Word has length 697 [2021-11-22 14:33:13,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:13,904 INFO L470 AbstractCegarLoop]: Abstraction has 18031 states and 18589 transitions. [2021-11-22 14:33:13,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 18031 states and 18589 transitions. [2021-11-22 14:33:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2021-11-22 14:33:13,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:13,922 INFO L514 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, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:33:13,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-22 14:33:13,923 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:13,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:13,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1320990413, now seen corresponding path program 1 times [2021-11-22 14:33:13,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:13,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969939864] [2021-11-22 14:33:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:13,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2021-11-22 14:33:14,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:14,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969939864] [2021-11-22 14:33:14,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969939864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:14,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:33:14,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:33:14,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959775367] [2021-11-22 14:33:14,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:14,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:33:14,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:14,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:33:14,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:33:14,273 INFO L87 Difference]: Start difference. First operand 18031 states and 18589 transitions. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:15,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:15,453 INFO L93 Difference]: Finished difference Result 38449 states and 39675 transitions. [2021-11-22 14:33:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:33:15,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 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 768 [2021-11-22 14:33:15,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:15,468 INFO L225 Difference]: With dead ends: 38449 [2021-11-22 14:33:15,469 INFO L226 Difference]: Without dead ends: 20719 [2021-11-22 14:33:15,475 INFO L932 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 [2021-11-22 14:33:15,476 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 184 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:15,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 161 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 14:33:15,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20719 states. [2021-11-22 14:33:15,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20719 to 19523. [2021-11-22 14:33:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19523 states, 19522 states have (on average 1.0284806884540518) internal successors, (20078), 19522 states have internal predecessors, (20078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 20078 transitions. [2021-11-22 14:33:15,653 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 20078 transitions. Word has length 768 [2021-11-22 14:33:15,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:15,653 INFO L470 AbstractCegarLoop]: Abstraction has 19523 states and 20078 transitions. [2021-11-22 14:33:15,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 20078 transitions. [2021-11-22 14:33:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2021-11-22 14:33:15,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:15,671 INFO L514 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, 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, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:33:15,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-22 14:33:15,671 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:15,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2047922790, now seen corresponding path program 1 times [2021-11-22 14:33:15,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:15,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668050366] [2021-11-22 14:33:15,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:15,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 669 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2021-11-22 14:33:15,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:15,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668050366] [2021-11-22 14:33:15,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668050366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:15,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:33:15,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:33:15,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741006624] [2021-11-22 14:33:15,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:15,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:33:15,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:15,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:33:15,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:33:15,968 INFO L87 Difference]: Start difference. First operand 19523 states and 20078 transitions. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:17,015 INFO L93 Difference]: Finished difference Result 41433 states and 42655 transitions. [2021-11-22 14:33:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:33:17,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 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 789 [2021-11-22 14:33:17,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:17,033 INFO L225 Difference]: With dead ends: 41433 [2021-11-22 14:33:17,033 INFO L226 Difference]: Without dead ends: 21912 [2021-11-22 14:33:17,041 INFO L932 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 [2021-11-22 14:33:17,042 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 163 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:17,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 460 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-22 14:33:17,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21912 states. [2021-11-22 14:33:17,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21912 to 17124. [2021-11-22 14:33:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17124 states, 17123 states have (on average 1.0263972434736903) internal successors, (17575), 17123 states have internal predecessors, (17575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:17,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17124 states to 17124 states and 17575 transitions. [2021-11-22 14:33:17,216 INFO L78 Accepts]: Start accepts. Automaton has 17124 states and 17575 transitions. Word has length 789 [2021-11-22 14:33:17,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:17,217 INFO L470 AbstractCegarLoop]: Abstraction has 17124 states and 17575 transitions. [2021-11-22 14:33:17,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 17124 states and 17575 transitions. [2021-11-22 14:33:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2021-11-22 14:33:17,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:17,230 INFO L514 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:33:17,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-22 14:33:17,231 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:17,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:17,231 INFO L85 PathProgramCache]: Analyzing trace with hash 462925156, now seen corresponding path program 1 times [2021-11-22 14:33:17,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:17,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967207948] [2021-11-22 14:33:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:17,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2021-11-22 14:33:17,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:17,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967207948] [2021-11-22 14:33:17,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967207948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:17,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:33:17,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:33:17,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924068450] [2021-11-22 14:33:17,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:17,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:33:17,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:17,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:33:17,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:33:17,530 INFO L87 Difference]: Start difference. First operand 17124 states and 17575 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:18,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:18,788 INFO L93 Difference]: Finished difference Result 36039 states and 37016 transitions. [2021-11-22 14:33:18,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:33:18,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 826 [2021-11-22 14:33:18,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:18,811 INFO L225 Difference]: With dead ends: 36039 [2021-11-22 14:33:18,811 INFO L226 Difference]: Without dead ends: 19216 [2021-11-22 14:33:18,817 INFO L932 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 [2021-11-22 14:33:18,818 INFO L933 BasicCegarLoop]: 464 mSDtfsCounter, 310 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:18,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 504 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 14:33:18,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19216 states. [2021-11-22 14:33:19,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19216 to 18020. [2021-11-22 14:33:19,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18020 states, 18019 states have (on average 1.0254176147399967) internal successors, (18477), 18019 states have internal predecessors, (18477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 18477 transitions. [2021-11-22 14:33:19,071 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 18477 transitions. Word has length 826 [2021-11-22 14:33:19,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:19,072 INFO L470 AbstractCegarLoop]: Abstraction has 18020 states and 18477 transitions. [2021-11-22 14:33:19,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 18477 transitions. [2021-11-22 14:33:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2021-11-22 14:33:19,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:19,090 INFO L514 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 14:33:19,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-22 14:33:19,090 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:19,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:19,091 INFO L85 PathProgramCache]: Analyzing trace with hash 849786758, now seen corresponding path program 1 times [2021-11-22 14:33:19,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:19,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780317923] [2021-11-22 14:33:19,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:19,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 597 proven. 269 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-22 14:33:19,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:19,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780317923] [2021-11-22 14:33:19,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780317923] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:33:19,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502311707] [2021-11-22 14:33:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:19,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:33:19,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:33:19,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:33:19,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 14:33:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:19,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 14:33:19,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:33:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 14:33:22,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:33:22,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502311707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:22,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 14:33:22,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-11-22 14:33:22,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874015931] [2021-11-22 14:33:22,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:22,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:33:22,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:22,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:33:22,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:33:22,255 INFO L87 Difference]: Start difference. First operand 18020 states and 18477 transitions. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:23,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:23,990 INFO L93 Difference]: Finished difference Result 24915 states and 25518 transitions. [2021-11-22 14:33:23,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:33:23,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 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 847 [2021-11-22 14:33:23,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:24,015 INFO L225 Difference]: With dead ends: 24915 [2021-11-22 14:33:24,015 INFO L226 Difference]: Without dead ends: 24913 [2021-11-22 14:33:24,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:33:24,021 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 501 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1144 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:24,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [501 Valid, 130 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 767 Invalid, 0 Unknown, 1144 Unchecked, 1.6s Time] [2021-11-22 14:33:24,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24913 states. [2021-11-22 14:33:24,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24913 to 18921. [2021-11-22 14:33:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18921 states, 18920 states have (on average 1.0254228329809725) internal successors, (19401), 18920 states have internal predecessors, (19401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18921 states to 18921 states and 19401 transitions. [2021-11-22 14:33:24,255 INFO L78 Accepts]: Start accepts. Automaton has 18921 states and 19401 transitions. Word has length 847 [2021-11-22 14:33:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:24,255 INFO L470 AbstractCegarLoop]: Abstraction has 18921 states and 19401 transitions. [2021-11-22 14:33:24,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 18921 states and 19401 transitions. [2021-11-22 14:33:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2021-11-22 14:33:24,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:24,268 INFO L514 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, 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, 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, 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, 2, 2, 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] [2021-11-22 14:33:24,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:33:24,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-22 14:33:24,473 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:24,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:24,473 INFO L85 PathProgramCache]: Analyzing trace with hash -300250501, now seen corresponding path program 1 times [2021-11-22 14:33:24,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:24,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426741284] [2021-11-22 14:33:24,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:24,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 671 proven. 269 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-22 14:33:24,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:24,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426741284] [2021-11-22 14:33:24,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426741284] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 14:33:24,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086201164] [2021-11-22 14:33:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:24,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:33:24,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:33:24,889 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 14:33:24,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 14:33:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:25,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 14:33:25,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:33:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-22 14:33:26,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 14:33:26,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086201164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:26,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 14:33:26,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-11-22 14:33:26,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437425966] [2021-11-22 14:33:26,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:26,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 14:33:26,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:26,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 14:33:26,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:33:26,761 INFO L87 Difference]: Start difference. First operand 18921 states and 19401 transitions. Second operand has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:29,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:29,219 INFO L93 Difference]: Finished difference Result 43235 states and 44308 transitions. [2021-11-22 14:33:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 14:33:29,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 0 states have call successors, (0), 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 884 [2021-11-22 14:33:29,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:29,242 INFO L225 Difference]: With dead ends: 43235 [2021-11-22 14:33:29,243 INFO L226 Difference]: Without dead ends: 24615 [2021-11-22 14:33:29,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:33:29,253 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 468 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:29,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [468 Valid, 121 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-22 14:33:29,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24615 states. [2021-11-22 14:33:29,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24615 to 18622. [2021-11-22 14:33:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18622 states, 18621 states have (on average 1.0251866172600828) internal successors, (19090), 18621 states have internal predecessors, (19090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18622 states to 18622 states and 19090 transitions. [2021-11-22 14:33:29,513 INFO L78 Accepts]: Start accepts. Automaton has 18622 states and 19090 transitions. Word has length 884 [2021-11-22 14:33:29,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:29,514 INFO L470 AbstractCegarLoop]: Abstraction has 18622 states and 19090 transitions. [2021-11-22 14:33:29,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 18622 states and 19090 transitions. [2021-11-22 14:33:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2021-11-22 14:33:29,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 14:33:29,533 INFO L514 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, 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, 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, 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, 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] [2021-11-22 14:33:29,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:33:29,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 14:33:29,749 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 14:33:29,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:33:29,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1588521142, now seen corresponding path program 1 times [2021-11-22 14:33:29,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:33:29,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711387455] [2021-11-22 14:33:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:33:29,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:33:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:33:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 924 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2021-11-22 14:33:30,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:33:30,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711387455] [2021-11-22 14:33:30,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711387455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:33:30,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:33:30,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:33:30,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965821897] [2021-11-22 14:33:30,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:33:30,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:33:30,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:33:30,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:33:30,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:33:30,112 INFO L87 Difference]: Start difference. First operand 18622 states and 19090 transitions. Second operand has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:31,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:33:31,093 INFO L93 Difference]: Finished difference Result 30323 states and 31022 transitions. [2021-11-22 14:33:31,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:33:31,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 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 909 [2021-11-22 14:33:31,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 14:33:31,095 INFO L225 Difference]: With dead ends: 30323 [2021-11-22 14:33:31,095 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 14:33:31,103 INFO L932 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 [2021-11-22 14:33:31,110 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 321 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 14:33:31,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 68 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 14:33:31,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 14:33:31,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 14:33:31,112 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) [2021-11-22 14:33:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 14:33:31,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 909 [2021-11-22 14:33:31,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 14:33:31,113 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:33:31,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:33:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:33:31,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 14:33:31,116 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 14:33:31,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-22 14:33:31,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 14:33:42,507 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,508 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,509 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,510 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,511 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-11-22 14:33:42,512 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,513 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-22 14:33:42,514 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-11-22 14:33:42,515 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,516 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,517 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,518 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,518 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-11-22 14:33:42,518 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-11-22 14:33:42,518 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,518 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-22 14:33:42,518 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-11-22 14:33:42,518 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,519 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-22 14:33:42,520 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-22 14:33:42,521 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,522 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-22 14:33:42,523 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,524 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-11-22 14:33:42,525 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,526 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,527 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,528 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-22 14:33:42,528 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-22 14:33:42,528 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-11-22 14:33:42,528 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-11-22 14:33:42,528 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,528 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,528 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,528 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,529 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse16 (+ ~a0~0 61)) (.cse18 (+ ~a4~0 86)) (.cse20 (+ ~a0~0 147)) (.cse4 (+ ~a29~0 127))) (let ((.cse7 (<= .cse4 0)) (.cse2 (= 2 ~a2~0)) (.cse10 (<= ~a29~0 43)) (.cse14 (= ~a2~0 4)) (.cse19 (< 0 .cse20)) (.cse17 (<= (+ ~a0~0 105) 0)) (.cse0 (< 0 .cse18)) (.cse12 (<= .cse20 0)) (.cse9 (= 3 ~a2~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ 98 ~a0~0) 0)) (.cse6 (= ~a2~0 1)) (.cse13 (< 0 (+ (div (+ 599999 ~a0~0) 299926) 1))) (.cse8 (<= .cse16 0)) (.cse15 (< 43 ~a29~0)) (.cse5 (<= (+ 89 ~a4~0) 0)) (.cse11 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 0 .cse4) .cse5 .cse6 (<= 0 (+ 44 ~a0~0)) .cse7) (and .cse5 .cse6 .cse8) (and .cse1 .cse3 .cse9 .cse10) (and .cse5 .cse3 .cse11) (and .cse0 .cse1 .cse12 .cse11 .cse13) (and .cse5 .cse14 .cse10) (and .cse15 .cse1 .cse3 .cse11 .cse13) (and (< 0 .cse16) .cse5 .cse11) (and .cse17 .cse15 .cse2 .cse8) (and .cse6 (<= .cse18 0) .cse8 (<= (+ ~a29~0 144) 0)) (and .cse2 .cse5) (and .cse5 .cse11 .cse7) (and .cse5 .cse14 .cse8) (and .cse5 .cse9) (and .cse19 .cse1 .cse3 .cse9) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse1 (or (and .cse6 .cse8) (and .cse0 .cse6)) .cse13 .cse10) (and .cse1 .cse12 .cse14) (and .cse17 .cse0 .cse15 .cse1 .cse14) (and .cse19 .cse3 (or (and .cse0 .cse1 .cse11) (and .cse17 .cse1 .cse11))) (and .cse15 .cse1 .cse12 .cse6) (and .cse0 .cse1 .cse12 .cse9) (and .cse1 .cse3 .cse6 .cse13 .cse8) (and .cse15 .cse5 .cse11)))) [2021-11-22 14:33:42,529 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-22 14:33:42,529 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-22 14:33:42,529 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,529 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,529 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,529 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,529 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-22 14:33:42,530 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-11-22 14:33:42,531 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-11-22 14:33:42,532 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,532 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,532 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 14:33:42,532 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,532 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,532 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,532 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,532 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse16 (+ ~a0~0 61)) (.cse18 (+ ~a4~0 86)) (.cse20 (+ ~a0~0 147)) (.cse4 (+ ~a29~0 127))) (let ((.cse7 (<= .cse4 0)) (.cse2 (= 2 ~a2~0)) (.cse10 (<= ~a29~0 43)) (.cse14 (= ~a2~0 4)) (.cse19 (< 0 .cse20)) (.cse17 (<= (+ ~a0~0 105) 0)) (.cse0 (< 0 .cse18)) (.cse12 (<= .cse20 0)) (.cse9 (= 3 ~a2~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ 98 ~a0~0) 0)) (.cse6 (= ~a2~0 1)) (.cse13 (< 0 (+ (div (+ 599999 ~a0~0) 299926) 1))) (.cse8 (<= .cse16 0)) (.cse15 (< 43 ~a29~0)) (.cse5 (<= (+ 89 ~a4~0) 0)) (.cse11 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 0 .cse4) .cse5 .cse6 (<= 0 (+ 44 ~a0~0)) .cse7) (and .cse5 .cse6 .cse8) (and .cse1 .cse3 .cse9 .cse10) (and .cse5 .cse3 .cse11) (and .cse0 .cse1 .cse12 .cse11 .cse13) (and .cse5 .cse14 .cse10) (and .cse15 .cse1 .cse3 .cse11 .cse13) (and (< 0 .cse16) .cse5 .cse11) (and .cse17 .cse15 .cse2 .cse8) (and .cse2 .cse5) (and .cse5 .cse11 .cse7) (and .cse5 .cse14 .cse8) (and .cse6 (<= .cse18 0) (<= (+ ~a29~0 144) 0)) (and .cse5 .cse9) (and .cse19 .cse1 .cse3 .cse9) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse1 (or (and .cse6 .cse8) (and .cse0 .cse6)) .cse13 .cse10) (and .cse1 .cse12 .cse14) (and .cse17 .cse0 .cse15 .cse1 .cse14) (and .cse19 .cse3 (or (and .cse0 .cse1 .cse11) (and .cse17 .cse1 .cse11))) (and .cse15 .cse1 .cse12 .cse6) (and .cse0 .cse1 .cse12 .cse9) (and .cse1 .cse3 .cse6 .cse13 .cse8) (and .cse15 .cse5 .cse11)))) [2021-11-22 14:33:42,532 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-22 14:33:42,533 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,534 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,535 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,536 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-11-22 14:33:42,537 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,538 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse16 (+ ~a0~0 61)) (.cse18 (+ ~a4~0 86)) (.cse20 (+ ~a0~0 147)) (.cse4 (+ ~a29~0 127))) (let ((.cse7 (<= .cse4 0)) (.cse2 (= 2 ~a2~0)) (.cse10 (<= ~a29~0 43)) (.cse14 (= ~a2~0 4)) (.cse19 (< 0 .cse20)) (.cse17 (<= (+ ~a0~0 105) 0)) (.cse0 (< 0 .cse18)) (.cse12 (<= .cse20 0)) (.cse9 (= 3 ~a2~0)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ 98 ~a0~0) 0)) (.cse6 (= ~a2~0 1)) (.cse13 (< 0 (+ (div (+ 599999 ~a0~0) 299926) 1))) (.cse8 (<= .cse16 0)) (.cse15 (< 43 ~a29~0)) (.cse5 (<= (+ 89 ~a4~0) 0)) (.cse11 (<= 5 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 0 .cse4) .cse5 .cse6 (<= 0 (+ 44 ~a0~0)) .cse7) (and .cse5 .cse6 .cse8) (and .cse1 .cse3 .cse9 .cse10) (and .cse5 .cse3 .cse11) (and .cse0 .cse1 .cse12 .cse11 .cse13) (and .cse5 .cse14 .cse10) (and .cse15 .cse1 .cse3 .cse11 .cse13) (and (< 0 .cse16) .cse5 .cse11) (and .cse17 .cse15 .cse2 .cse8) (and .cse2 .cse5) (and .cse5 .cse11 .cse7) (and .cse5 .cse14 .cse8) (and .cse6 (<= .cse18 0) (<= (+ ~a29~0 144) 0)) (and .cse5 .cse9) (and .cse19 .cse1 .cse3 .cse9) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse1 (or (and .cse6 .cse8) (and .cse0 .cse6)) .cse13 .cse10) (and .cse1 .cse12 .cse14) (and .cse17 .cse0 .cse15 .cse1 .cse14) (and .cse19 .cse3 (or (and .cse0 .cse1 .cse11) (and .cse17 .cse1 .cse11))) (and .cse15 .cse1 .cse12 .cse6) (and .cse0 .cse1 .cse12 .cse9) (and .cse1 .cse3 .cse6 .cse13 .cse8) (and .cse15 .cse5 .cse11)))) [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,539 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 14:33:42,540 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-11-22 14:33:42,541 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,542 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,543 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-22 14:33:42,544 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-11-22 14:33:42,548 INFO L732 BasicCegarLoop]: Path program 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] [2021-11-22 14:33:42,549 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 14:33:42,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:33:42 BoogieIcfgContainer [2021-11-22 14:33:42,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 14:33:42,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:33:42,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:33:42,587 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:33:42,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:32:14" (3/4) ... [2021-11-22 14:33:42,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 14:33:42,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-22 14:33:42,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 14:33:42,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 14:33:42,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 14:33:42,869 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 14:33:42,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:33:42,870 INFO L158 Benchmark]: Toolchain (without parser) took 93290.10ms. Allocated memory was 104.9MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 65.7MB in the beginning and 878.2MB in the end (delta: -812.5MB). Peak memory consumption was 222.3MB. Max. memory is 16.1GB. [2021-11-22 14:33:42,870 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:33:42,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.86ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 65.5MB in the beginning and 84.9MB in the end (delta: -19.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-11-22 14:33:42,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 301.66ms. Allocated memory is still 140.5MB. Free memory was 84.9MB in the beginning and 80.9MB in the end (delta: 4.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2021-11-22 14:33:42,872 INFO L158 Benchmark]: Boogie Preprocessor took 239.48ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 67.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-22 14:33:42,875 INFO L158 Benchmark]: RCFGBuilder took 3313.92ms. Allocated memory was 140.5MB in the beginning and 230.7MB in the end (delta: 90.2MB). Free memory was 67.6MB in the beginning and 100.8MB in the end (delta: -33.2MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2021-11-22 14:33:42,876 INFO L158 Benchmark]: TraceAbstraction took 87944.81ms. Allocated memory was 230.7MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 100.8MB in the beginning and 920.6MB in the end (delta: -819.8MB). Peak memory consumption was 657.6MB. Max. memory is 16.1GB. [2021-11-22 14:33:42,876 INFO L158 Benchmark]: Witness Printer took 282.45ms. Allocated memory is still 1.1GB. Free memory was 920.6MB in the beginning and 878.2MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-22 14:33:42,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.86ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 65.5MB in the beginning and 84.9MB in the end (delta: -19.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 301.66ms. Allocated memory is still 140.5MB. Free memory was 84.9MB in the beginning and 80.9MB in the end (delta: 4.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 239.48ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 67.6MB in the end (delta: 13.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3313.92ms. Allocated memory was 140.5MB in the beginning and 230.7MB in the end (delta: 90.2MB). Free memory was 67.6MB in the beginning and 100.8MB in the end (delta: -33.2MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * TraceAbstraction took 87944.81ms. Allocated memory was 230.7MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 100.8MB in the beginning and 920.6MB in the end (delta: -819.8MB). Peak memory consumption was 657.6MB. Max. memory is 16.1GB. * Witness Printer took 282.45ms. Allocated memory is still 1.1GB. Free memory was 920.6MB in the beginning and 878.2MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * 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: 140]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.8s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 52.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10561 SdHoareTripleChecker+Valid, 48.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10561 mSDsluCounter, 9030 SdHoareTripleChecker+Invalid, 41.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1144 IncrementalHoareTripleChecker+Unchecked, 1141 mSDsCounter, 4819 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29766 IncrementalHoareTripleChecker+Invalid, 35729 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4819 mSolverCounterUnsat, 7889 mSDtfsCounter, 29766 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4153 GetRequests, 4097 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19523occurred in iteration=20, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.0s AutomataMinimizationTime, 25 MinimizatonAttempts, 30003 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 217 NumberOfFragments, 1434 HoareAnnotationTreeSize, 4 FomulaSimplifications, 21223 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 47835 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 16168 NumberOfCodeBlocks, 16168 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 16742 ConstructedInterpolants, 39 QuantifiedInterpolants, 56537 SizeOfPredicates, 7 NumberOfNonLiveVariables, 4239 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 31 InterpolantComputations, 24 PerfectInterpolantSequences, 18742/19475 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a29 <= 43)) || ((89 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 < (599999 + a0) / 299926 + 1)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && 0 < (599999 + a0) / 299926 + 1)) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) || (((a0 + 105 <= 0 && 43 < a29) && 2 == a2) && a0 + 61 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 < (599999 + a0) / 299926 + 1) && a29 <= 43)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((a0 + 105 <= 0 && 0 < a4 + 86) && 43 < a29) && 42 + a4 <= 0) && a2 == 4)) || ((0 < a0 + 147 && 98 + a0 <= 0) && (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && 5 <= a2)))) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && 0 < (599999 + a0) / 299926 + 1) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && 5 <= a2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a29 <= 43)) || ((89 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 < (599999 + a0) / 299926 + 1)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && 0 < (599999 + a0) / 299926 + 1)) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) || (((a0 + 105 <= 0 && 43 < a29) && 2 == a2) && a0 + 61 <= 0)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 < (599999 + a0) / 299926 + 1) && a29 <= 43)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((a0 + 105 <= 0 && 0 < a4 + 86) && 43 < a29) && 42 + a4 <= 0) && a2 == 4)) || ((0 < a0 + 147 && 98 + a0 <= 0) && (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && 5 <= a2)))) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && 0 < (599999 + a0) / 299926 + 1) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && 5 <= a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) && a29 <= 43)) || ((89 + a4 <= 0 && 98 + a0 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 5 <= a2) && 0 < (599999 + a0) / 299926 + 1)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && 0 < (599999 + a0) / 299926 + 1)) || ((0 < a0 + 61 && 89 + a4 <= 0) && 5 <= a2)) || (((a0 + 105 <= 0 && 43 < a29) && 2 == a2) && a0 + 61 <= 0)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (((0 < a0 + 147 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 < (599999 + a0) / 299926 + 1) && a29 <= 43)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 4)) || ((((a0 + 105 <= 0 && 0 < a4 + 86) && 43 < a29) && 42 + a4 <= 0) && a2 == 4)) || ((0 < a0 + 147 && 98 + a0 <= 0) && (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) || ((a0 + 105 <= 0 && 42 + a4 <= 0) && 5 <= a2)))) || (((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && 0 < (599999 + a0) / 299926 + 1) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && 5 <= a2) RESULT: Ultimate proved your program to be correct! [2021-11-22 14:33:42,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c22963a-c68a-4b9d-bf13-d33b6c2d418c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE