./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt --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 d347897b483e2048bb7af7fe5bb03b68d0369bfa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:11:14,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:11:14,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:11:14,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:11:14,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:11:14,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:11:14,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:11:14,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:11:14,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:11:14,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:11:14,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:11:14,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:11:14,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:11:14,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:11:14,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:11:14,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:11:14,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:11:14,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:11:14,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:11:14,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:11:14,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:11:14,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:11:14,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:11:14,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:11:14,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:11:14,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:11:14,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:11:14,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:11:14,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:11:14,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:11:14,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:11:14,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:11:14,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:11:14,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:11:14,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:11:14,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:11:14,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:11:14,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:11:14,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:11:14,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:11:14,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:11:14,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:11:14,207 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:11:14,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:11:14,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:11:14,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:11:14,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:11:14,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:11:14,210 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:11:14,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:11:14,211 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:11:14,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:11:14,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:11:14,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:11:14,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:11:14,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:11:14,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:11:14,214 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:11:14,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:11:14,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:11:14,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:11:14,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:11:14,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:11:14,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:11:14,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:11:14,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:11:14,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:11:14,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:11:14,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:11:14,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:11:14,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:11:14,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:11:14,218 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_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d347897b483e2048bb7af7fe5bb03b68d0369bfa [2021-10-13 01:11:14,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:11:14,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:11:14,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:11:14,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:11:14,560 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:11:14,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2021-10-13 01:11:14,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/data/f35f53d00/9e136467246543dcb02a36f2946b4502/FLAGad600e685 [2021-10-13 01:11:15,318 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:11:15,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2021-10-13 01:11:15,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/data/f35f53d00/9e136467246543dcb02a36f2946b4502/FLAGad600e685 [2021-10-13 01:11:15,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/data/f35f53d00/9e136467246543dcb02a36f2946b4502 [2021-10-13 01:11:15,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:11:15,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:11:15,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:11:15,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:11:15,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:11:15,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:11:15" (1/1) ... [2021-10-13 01:11:15,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d3c74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:15, skipping insertion in model container [2021-10-13 01:11:15,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:11:15" (1/1) ... [2021-10-13 01:11:15,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:11:15,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:11:16,034 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/sv-benchmarks/c/eca-rers2012/Problem02_label22.c[16445,16458] [2021-10-13 01:11:16,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:11:16,086 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:11:16,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/sv-benchmarks/c/eca-rers2012/Problem02_label22.c[16445,16458] [2021-10-13 01:11:16,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:11:16,307 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:11:16,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16 WrapperNode [2021-10-13 01:11:16,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:11:16,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:11:16,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:11:16,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:11:16,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:11:16,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:11:16,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:11:16,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:11:16,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:11:16,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:11:16,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:11:16,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:11:16,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (1/1) ... [2021-10-13 01:11:16,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:11:16,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:11:16,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:11:16,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:11:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:11:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:11:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:11:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:11:17,897 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:11:17,910 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 01:11:17,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:17 BoogieIcfgContainer [2021-10-13 01:11:17,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:11:17,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:11:17,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:11:17,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:11:17,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:11:15" (1/3) ... [2021-10-13 01:11:17,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc324f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:11:17, skipping insertion in model container [2021-10-13 01:11:17,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:16" (2/3) ... [2021-10-13 01:11:17,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc324f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:11:17, skipping insertion in model container [2021-10-13 01:11:17,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:17" (3/3) ... [2021-10-13 01:11:17,922 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2021-10-13 01:11:17,927 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:11:17,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:11:18,011 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:11:18,016 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 01:11:18,017 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:11:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-13 01:11:18,052 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:18,052 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:18,053 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:18,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:18,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1473688725, now seen corresponding path program 1 times [2021-10-13 01:11:18,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:18,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932648698] [2021-10-13 01:11:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:18,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:11:18,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:18,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932648698] [2021-10-13 01:11:18,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932648698] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:18,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:18,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:11:18,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613541086] [2021-10-13 01:11:18,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:18,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:18,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:18,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:18,560 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:19,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:19,418 INFO L93 Difference]: Finished difference Result 600 states and 1037 transitions. [2021-10-13 01:11:19,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:19,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-10-13 01:11:19,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:19,444 INFO L225 Difference]: With dead ends: 600 [2021-10-13 01:11:19,445 INFO L226 Difference]: Without dead ends: 309 [2021-10-13 01:11:19,453 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:19,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-13 01:11:19,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2021-10-13 01:11:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 306 states have (on average 1.3300653594771241) internal successors, (407), 306 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:19,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2021-10-13 01:11:19,540 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 97 [2021-10-13 01:11:19,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:19,542 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2021-10-13 01:11:19,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:19,543 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2021-10-13 01:11:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-13 01:11:19,553 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:19,554 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 01:11:19,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:11:19,555 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:19,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:19,559 INFO L82 PathProgramCache]: Analyzing trace with hash -2108530240, now seen corresponding path program 1 times [2021-10-13 01:11:19,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:19,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128378838] [2021-10-13 01:11:19,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:19,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:11:19,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:19,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128378838] [2021-10-13 01:11:19,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128378838] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:19,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:19,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:11:19,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920754405] [2021-10-13 01:11:19,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:19,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:19,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:19,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:19,820 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:20,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:20,351 INFO L93 Difference]: Finished difference Result 758 states and 1034 transitions. [2021-10-13 01:11:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:20,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2021-10-13 01:11:20,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:20,355 INFO L225 Difference]: With dead ends: 758 [2021-10-13 01:11:20,356 INFO L226 Difference]: Without dead ends: 453 [2021-10-13 01:11:20,357 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:20,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-10-13 01:11:20,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2021-10-13 01:11:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 452 states have (on average 1.2787610619469028) internal successors, (578), 452 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 578 transitions. [2021-10-13 01:11:20,374 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 578 transitions. Word has length 102 [2021-10-13 01:11:20,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:20,375 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 578 transitions. [2021-10-13 01:11:20,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 578 transitions. [2021-10-13 01:11:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-13 01:11:20,378 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:20,378 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 01:11:20,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:11:20,379 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:20,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:20,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879525, now seen corresponding path program 1 times [2021-10-13 01:11:20,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:20,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536258649] [2021-10-13 01:11:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:20,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:11:20,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:20,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536258649] [2021-10-13 01:11:20,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536258649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:20,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:20,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:11:20,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189548299] [2021-10-13 01:11:20,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:20,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:20,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:20,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:20,475 INFO L87 Difference]: Start difference. First operand 453 states and 578 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:20,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:20,970 INFO L93 Difference]: Finished difference Result 1325 states and 1691 transitions. [2021-10-13 01:11:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:20,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-13 01:11:20,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:20,976 INFO L225 Difference]: With dead ends: 1325 [2021-10-13 01:11:20,976 INFO L226 Difference]: Without dead ends: 874 [2021-10-13 01:11:20,977 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:20,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-13 01:11:20,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2021-10-13 01:11:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 1.2302405498281788) internal successors, (1074), 873 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1074 transitions. [2021-10-13 01:11:21,005 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1074 transitions. Word has length 114 [2021-10-13 01:11:21,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:21,006 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1074 transitions. [2021-10-13 01:11:21,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1074 transitions. [2021-10-13 01:11:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-13 01:11:21,009 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:21,009 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:21,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:11:21,010 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:21,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:21,011 INFO L82 PathProgramCache]: Analyzing trace with hash 92854696, now seen corresponding path program 1 times [2021-10-13 01:11:21,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:21,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139685157] [2021-10-13 01:11:21,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:21,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:21,108 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:11:21,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:21,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139685157] [2021-10-13 01:11:21,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139685157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:21,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:21,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:11:21,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179814565] [2021-10-13 01:11:21,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:21,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:21,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:21,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:21,111 INFO L87 Difference]: Start difference. First operand 874 states and 1074 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:21,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:21,609 INFO L93 Difference]: Finished difference Result 2027 states and 2555 transitions. [2021-10-13 01:11:21,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:21,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2021-10-13 01:11:21,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:21,619 INFO L225 Difference]: With dead ends: 2027 [2021-10-13 01:11:21,619 INFO L226 Difference]: Without dead ends: 1155 [2021-10-13 01:11:21,621 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:21,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2021-10-13 01:11:21,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1154. [2021-10-13 01:11:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.2437120555073722) internal successors, (1434), 1153 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1434 transitions. [2021-10-13 01:11:21,652 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1434 transitions. Word has length 127 [2021-10-13 01:11:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:21,652 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 1434 transitions. [2021-10-13 01:11:21,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:21,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1434 transitions. [2021-10-13 01:11:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-13 01:11:21,656 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:21,656 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:21,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:11:21,657 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:21,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:21,657 INFO L82 PathProgramCache]: Analyzing trace with hash 952160173, now seen corresponding path program 1 times [2021-10-13 01:11:21,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:21,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419685762] [2021-10-13 01:11:21,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:21,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:11:21,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:21,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419685762] [2021-10-13 01:11:21,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419685762] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:21,728 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:21,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:11:21,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691321905] [2021-10-13 01:11:21,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:21,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:21,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:21,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:21,730 INFO L87 Difference]: Start difference. First operand 1154 states and 1434 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:21,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:21,976 INFO L93 Difference]: Finished difference Result 2295 states and 2852 transitions. [2021-10-13 01:11:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:21,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2021-10-13 01:11:21,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:21,983 INFO L225 Difference]: With dead ends: 2295 [2021-10-13 01:11:21,984 INFO L226 Difference]: Without dead ends: 1143 [2021-10-13 01:11:21,985 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:21,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2021-10-13 01:11:22,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1143. [2021-10-13 01:11:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1142 states have (on average 1.1996497373029773) internal successors, (1370), 1142 states have internal predecessors, (1370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1370 transitions. [2021-10-13 01:11:22,019 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1370 transitions. Word has length 130 [2021-10-13 01:11:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:22,019 INFO L470 AbstractCegarLoop]: Abstraction has 1143 states and 1370 transitions. [2021-10-13 01:11:22,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1370 transitions. [2021-10-13 01:11:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-13 01:11:22,026 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:22,027 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:22,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:11:22,029 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:22,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:22,030 INFO L82 PathProgramCache]: Analyzing trace with hash -60341521, now seen corresponding path program 1 times [2021-10-13 01:11:22,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:22,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970015558] [2021-10-13 01:11:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:22,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-13 01:11:22,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:22,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970015558] [2021-10-13 01:11:22,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970015558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:22,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:22,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:11:22,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505337506] [2021-10-13 01:11:22,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:22,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:22,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:22,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:22,129 INFO L87 Difference]: Start difference. First operand 1143 states and 1370 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:22,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:22,528 INFO L93 Difference]: Finished difference Result 3128 states and 3710 transitions. [2021-10-13 01:11:22,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:22,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 136 [2021-10-13 01:11:22,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:22,547 INFO L225 Difference]: With dead ends: 3128 [2021-10-13 01:11:22,547 INFO L226 Difference]: Without dead ends: 1987 [2021-10-13 01:11:22,557 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2021-10-13 01:11:22,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1704. [2021-10-13 01:11:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1703 states have (on average 1.1720493247210804) internal successors, (1996), 1703 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 1996 transitions. [2021-10-13 01:11:22,623 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 1996 transitions. Word has length 136 [2021-10-13 01:11:22,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:22,624 INFO L470 AbstractCegarLoop]: Abstraction has 1704 states and 1996 transitions. [2021-10-13 01:11:22,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 1996 transitions. [2021-10-13 01:11:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-13 01:11:22,628 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:22,629 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:22,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 01:11:22,629 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:22,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:22,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1997465720, now seen corresponding path program 1 times [2021-10-13 01:11:22,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:22,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003385201] [2021-10-13 01:11:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:22,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:22,704 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 01:11:22,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:22,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003385201] [2021-10-13 01:11:22,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003385201] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:22,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:22,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:11:22,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29045670] [2021-10-13 01:11:22,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:22,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:22,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:22,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:22,709 INFO L87 Difference]: Start difference. First operand 1704 states and 1996 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:23,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:23,132 INFO L93 Difference]: Finished difference Result 3686 states and 4295 transitions. [2021-10-13 01:11:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:23,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 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 143 [2021-10-13 01:11:23,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:23,141 INFO L225 Difference]: With dead ends: 3686 [2021-10-13 01:11:23,141 INFO L226 Difference]: Without dead ends: 1702 [2021-10-13 01:11:23,144 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:23,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2021-10-13 01:11:23,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1562. [2021-10-13 01:11:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1561 states have (on average 1.0890454836643177) internal successors, (1700), 1561 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 1700 transitions. [2021-10-13 01:11:23,184 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 1700 transitions. Word has length 143 [2021-10-13 01:11:23,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:23,184 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 1700 transitions. [2021-10-13 01:11:23,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1700 transitions. [2021-10-13 01:11:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-13 01:11:23,188 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:23,188 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:23,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 01:11:23,189 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:23,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:23,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1562737042, now seen corresponding path program 1 times [2021-10-13 01:11:23,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:23,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145425411] [2021-10-13 01:11:23,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:23,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:23,308 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 01:11:23,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:23,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145425411] [2021-10-13 01:11:23,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145425411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:23,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:23,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:11:23,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685834237] [2021-10-13 01:11:23,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:11:23,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:23,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:11:23,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:11:23,312 INFO L87 Difference]: Start difference. First operand 1562 states and 1700 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:24,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:24,049 INFO L93 Difference]: Finished difference Result 3292 states and 3584 transitions. [2021-10-13 01:11:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:11:24,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 147 [2021-10-13 01:11:24,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:24,058 INFO L225 Difference]: With dead ends: 3292 [2021-10-13 01:11:24,059 INFO L226 Difference]: Without dead ends: 1732 [2021-10-13 01:11:24,061 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 36.8ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:11:24,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2021-10-13 01:11:24,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1559. [2021-10-13 01:11:24,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1558 states have (on average 1.0937098844672657) internal successors, (1704), 1558 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 1704 transitions. [2021-10-13 01:11:24,104 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 1704 transitions. Word has length 147 [2021-10-13 01:11:24,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:24,104 INFO L470 AbstractCegarLoop]: Abstraction has 1559 states and 1704 transitions. [2021-10-13 01:11:24,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1704 transitions. [2021-10-13 01:11:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-10-13 01:11:24,110 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:24,110 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:24,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 01:11:24,110 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:24,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:24,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1048369386, now seen corresponding path program 1 times [2021-10-13 01:11:24,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:24,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607702879] [2021-10-13 01:11:24,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:24,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 01:11:24,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:24,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607702879] [2021-10-13 01:11:24,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607702879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:24,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:24,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:11:24,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72039134] [2021-10-13 01:11:24,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:24,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:24,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:24,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:24,197 INFO L87 Difference]: Start difference. First operand 1559 states and 1704 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:24,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:24,597 INFO L93 Difference]: Finished difference Result 3676 states and 4006 transitions. [2021-10-13 01:11:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:24,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 191 [2021-10-13 01:11:24,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:24,607 INFO L225 Difference]: With dead ends: 3676 [2021-10-13 01:11:24,607 INFO L226 Difference]: Without dead ends: 1137 [2021-10-13 01:11:24,610 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:24,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2021-10-13 01:11:24,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1136. [2021-10-13 01:11:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1135 states have (on average 1.0669603524229074) internal successors, (1211), 1135 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1211 transitions. [2021-10-13 01:11:24,644 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1211 transitions. Word has length 191 [2021-10-13 01:11:24,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:24,644 INFO L470 AbstractCegarLoop]: Abstraction has 1136 states and 1211 transitions. [2021-10-13 01:11:24,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1211 transitions. [2021-10-13 01:11:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-10-13 01:11:24,648 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:24,649 INFO L512 BasicCegarLoop]: trace histogram [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, 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] [2021-10-13 01:11:24,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 01:11:24,650 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:24,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:24,650 INFO L82 PathProgramCache]: Analyzing trace with hash -64714671, now seen corresponding path program 1 times [2021-10-13 01:11:24,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:24,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081958375] [2021-10-13 01:11:24,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:24,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 01:11:24,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:24,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081958375] [2021-10-13 01:11:24,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081958375] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:24,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:24,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:11:24,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853954050] [2021-10-13 01:11:24,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:24,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:24,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:24,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:24,778 INFO L87 Difference]: Start difference. First operand 1136 states and 1211 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:25,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:25,119 INFO L93 Difference]: Finished difference Result 2694 states and 2858 transitions. [2021-10-13 01:11:25,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:25,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 198 [2021-10-13 01:11:25,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:25,127 INFO L225 Difference]: With dead ends: 2694 [2021-10-13 01:11:25,127 INFO L226 Difference]: Without dead ends: 1276 [2021-10-13 01:11:25,129 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:11:25,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2021-10-13 01:11:25,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1134. [2021-10-13 01:11:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1133 states have (on average 1.0388349514563107) internal successors, (1177), 1133 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1177 transitions. [2021-10-13 01:11:25,162 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1177 transitions. Word has length 198 [2021-10-13 01:11:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:25,163 INFO L470 AbstractCegarLoop]: Abstraction has 1134 states and 1177 transitions. [2021-10-13 01:11:25,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1177 transitions. [2021-10-13 01:11:25,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-13 01:11:25,168 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:11:25,182 INFO L512 BasicCegarLoop]: trace histogram [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, 2, 2, 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] [2021-10-13 01:11:25,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 01:11:25,183 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:11:25,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:25,183 INFO L82 PathProgramCache]: Analyzing trace with hash -318196994, now seen corresponding path program 1 times [2021-10-13 01:11:25,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:25,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488613034] [2021-10-13 01:11:25,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:25,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 88 proven. 106 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 01:11:25,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:25,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488613034] [2021-10-13 01:11:25,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488613034] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:11:25,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971305159] [2021-10-13 01:11:25,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:25,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:11:25,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:11:25,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:11:25,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:11:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:25,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:11:25,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:11:26,289 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2021-10-13 01:11:26,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971305159] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:26,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 01:11:26,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-13 01:11:26,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803346239] [2021-10-13 01:11:26,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:11:26,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:26,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:11:26,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:11:26,293 INFO L87 Difference]: Start difference. First operand 1134 states and 1177 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:26,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:26,469 INFO L93 Difference]: Finished difference Result 2123 states and 2208 transitions. [2021-10-13 01:11:26,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:11:26,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 234 [2021-10-13 01:11:26,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:11:26,471 INFO L225 Difference]: With dead ends: 2123 [2021-10-13 01:11:26,471 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:11:26,474 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:11:26,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:11:26,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:11:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:11:26,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2021-10-13 01:11:26,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:11:26,475 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:11:26,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:11:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:11:26,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:11:26,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:11:26,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:11:26,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:11:26,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:11:26,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:11:26,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:11:26,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:11:27,111 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,111 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,111 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,111 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-13 01:11:27,111 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-13 01:11:27,112 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-13 01:11:27,112 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-13 01:11:27,112 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-13 01:11:27,112 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-13 01:11:27,112 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-13 01:11:27,112 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-13 01:11:27,112 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,112 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,113 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,113 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-13 01:11:27,113 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-13 01:11:27,113 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-13 01:11:27,113 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-13 01:11:27,113 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-13 01:11:27,113 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,113 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,114 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,114 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-13 01:11:27,114 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-13 01:11:27,114 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-13 01:11:27,114 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-13 01:11:27,114 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-13 01:11:27,114 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-13 01:11:27,114 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-13 01:11:27,115 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-13 01:11:27,115 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-13 01:11:27,115 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-13 01:11:27,115 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,115 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,115 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,115 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-13 01:11:27,115 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-13 01:11:27,116 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-13 01:11:27,116 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-13 01:11:27,116 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-13 01:11:27,116 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-13 01:11:27,116 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-13 01:11:27,116 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,116 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,117 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,117 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-13 01:11:27,117 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-13 01:11:27,117 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-13 01:11:27,117 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-13 01:11:27,117 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-13 01:11:27,117 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-13 01:11:27,117 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-13 01:11:27,118 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,118 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,118 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,118 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-13 01:11:27,118 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-13 01:11:27,118 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-13 01:11:27,118 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-13 01:11:27,118 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-13 01:11:27,119 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,119 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,119 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,119 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-13 01:11:27,119 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-13 01:11:27,119 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-13 01:11:27,120 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-13 01:11:27,120 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-13 01:11:27,120 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-13 01:11:27,120 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-13 01:11:27,120 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-13 01:11:27,120 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,121 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,121 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,121 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-13 01:11:27,121 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:11:27,121 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-13 01:11:27,121 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-13 01:11:27,122 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-13 01:11:27,122 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-13 01:11:27,122 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-13 01:11:27,122 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-13 01:11:27,122 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-13 01:11:27,138 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,139 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,139 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,139 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-13 01:11:27,139 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-13 01:11:27,139 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-13 01:11:27,139 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-13 01:11:27,140 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-13 01:11:27,140 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-13 01:11:27,140 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-13 01:11:27,140 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-13 01:11:27,140 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-13 01:11:27,140 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,140 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,141 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,141 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-13 01:11:27,141 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-13 01:11:27,141 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-13 01:11:27,141 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-13 01:11:27,141 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-13 01:11:27,142 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-13 01:11:27,142 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:11:27,142 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 473) no Hoare annotation was computed. [2021-10-13 01:11:27,142 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,142 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,142 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,143 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-13 01:11:27,143 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-13 01:11:27,143 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-13 01:11:27,143 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-13 01:11:27,143 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-13 01:11:27,143 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-13 01:11:27,143 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-13 01:11:27,144 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-13 01:11:27,144 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,144 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,144 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,144 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-13 01:11:27,144 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-13 01:11:27,145 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-13 01:11:27,145 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-13 01:11:27,145 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-13 01:11:27,145 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,145 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,145 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,146 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-13 01:11:27,146 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-13 01:11:27,146 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-13 01:11:27,146 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-13 01:11:27,146 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-13 01:11:27,146 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-13 01:11:27,146 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-13 01:11:27,147 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-13 01:11:27,147 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-13 01:11:27,147 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-13 01:11:27,147 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-13 01:11:27,147 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,147 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,148 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-13 01:11:27,148 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-13 01:11:27,148 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-13 01:11:27,148 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-13 01:11:27,148 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-13 01:11:27,148 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-13 01:11:27,148 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-13 01:11:27,149 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-13 01:11:27,149 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-13 01:11:27,149 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse3 (<= 10 ~a28~0)) (.cse5 (= ~a19~0 1)) (.cse0 (<= 8 ~a17~0)) (.cse4 (<= ~a28~0 10)) (.cse6 (= ~a25~0 1)) (.cse7 (= ~a11~0 1)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4) (and .cse3 .cse1 .cse4 .cse5) (and (= ~a17~0 8) .cse6 (= ~a28~0 11) (= ~a21~0 1) .cse5 (not .cse7)) (and .cse6 .cse1 .cse5 .cse2) (and .cse0 .cse1 .cse4 .cse5) (and (<= 9 ~a28~0) .cse7 .cse1 .cse4) (and .cse0 .cse1 .cse4 (not .cse6)) (and .cse7 .cse1 .cse2))) [2021-10-13 01:11:27,149 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,150 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,150 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-13 01:11:27,150 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-13 01:11:27,150 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-13 01:11:27,150 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-13 01:11:27,150 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-13 01:11:27,151 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-13 01:11:27,151 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-13 01:11:27,151 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,151 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,151 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-13 01:11:27,151 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-13 01:11:27,152 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-13 01:11:27,152 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-13 01:11:27,152 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-13 01:11:27,152 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-13 01:11:27,152 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-13 01:11:27,152 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-13 01:11:27,152 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-13 01:11:27,153 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,153 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,153 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-13 01:11:27,153 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-13 01:11:27,153 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-13 01:11:27,153 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-13 01:11:27,154 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:11:27,154 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-13 01:11:27,154 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-13 01:11:27,154 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (<= 10 ~a28~0)) (.cse5 (= ~a19~0 1)) (.cse0 (<= 8 ~a17~0)) (.cse4 (<= ~a28~0 10)) (.cse6 (= ~a25~0 1)) (.cse7 (= ~a11~0 1)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4) (and .cse3 .cse1 .cse4 .cse5) (and (= ~a17~0 8) .cse6 (= ~a28~0 11) (= ~a21~0 1) .cse5 (not .cse7)) (and .cse6 .cse1 .cse5 .cse2) (and .cse0 .cse1 .cse4 .cse5) (and (<= 9 ~a28~0) .cse7 .cse1 .cse4) (and .cse0 .cse1 .cse4 (not .cse6)) (and .cse7 .cse1 .cse2))) [2021-10-13 01:11:27,154 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,154 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,155 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-13 01:11:27,155 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-13 01:11:27,155 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-13 01:11:27,155 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-13 01:11:27,155 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-13 01:11:27,155 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,156 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,156 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-13 01:11:27,156 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-13 01:11:27,156 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-13 01:11:27,156 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-13 01:11:27,156 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-13 01:11:27,156 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-13 01:11:27,157 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-13 01:11:27,157 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-13 01:11:27,157 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-13 01:11:27,157 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,157 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,157 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-13 01:11:27,157 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,158 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:11:27,158 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-13 01:11:27,158 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-13 01:11:27,158 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-13 01:11:27,158 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-13 01:11:27,158 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-13 01:11:27,159 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-13 01:11:27,174 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,175 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,175 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,175 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-13 01:11:27,175 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-13 01:11:27,175 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-13 01:11:27,175 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-13 01:11:27,176 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-13 01:11:27,176 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,176 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,176 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 01:11:27,176 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-13 01:11:27,176 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-13 01:11:27,176 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-13 01:11:27,177 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-13 01:11:27,177 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-13 01:11:27,177 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-13 01:11:27,181 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:11:27,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:11:27 BoogieIcfgContainer [2021-10-13 01:11:27,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:11:27,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:11:27,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:11:27,203 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:11:27,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:17" (3/4) ... [2021-10-13 01:11:27,206 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:11:27,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 01:11:27,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 01:11:27,229 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:11:27,231 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:11:27,405 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:11:27,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:11:27,407 INFO L168 Benchmark]: Toolchain (without parser) took 11858.26 ms. Allocated memory was 98.6 MB in the beginning and 230.7 MB in the end (delta: 132.1 MB). Free memory was 61.5 MB in the beginning and 162.7 MB in the end (delta: -101.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:27,407 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 71.5 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:11:27,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.74 ms. Allocated memory is still 98.6 MB. Free memory was 61.3 MB in the beginning and 57.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:27,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.02 ms. Allocated memory is still 98.6 MB. Free memory was 57.3 MB in the beginning and 51.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:27,409 INFO L168 Benchmark]: Boogie Preprocessor took 104.60 ms. Allocated memory is still 98.6 MB. Free memory was 51.9 MB in the beginning and 47.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:27,409 INFO L168 Benchmark]: RCFGBuilder took 1409.30 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 47.7 MB in the beginning and 70.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:27,410 INFO L168 Benchmark]: TraceAbstraction took 9286.68 ms. Allocated memory was 138.4 MB in the beginning and 230.7 MB in the end (delta: 92.3 MB). Free memory was 70.6 MB in the beginning and 176.8 MB in the end (delta: -106.2 MB). Peak memory consumption was 92.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:27,410 INFO L168 Benchmark]: Witness Printer took 203.06 ms. Allocated memory is still 230.7 MB. Free memory was 176.8 MB in the beginning and 162.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:11:27,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 71.5 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.74 ms. Allocated memory is still 98.6 MB. Free memory was 61.3 MB in the beginning and 57.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.02 ms. Allocated memory is still 98.6 MB. Free memory was 57.3 MB in the beginning and 51.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.60 ms. Allocated memory is still 98.6 MB. Free memory was 51.9 MB in the beginning and 47.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1409.30 ms. Allocated memory was 98.6 MB in the beginning and 138.4 MB in the end (delta: 39.8 MB). Free memory was 47.7 MB in the beginning and 70.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9286.68 ms. Allocated memory was 138.4 MB in the beginning and 230.7 MB in the end (delta: 92.3 MB). Free memory was 70.6 MB in the beginning and 176.8 MB in the end (delta: -106.2 MB). Peak memory consumption was 92.8 MB. Max. memory is 16.1 GB. * Witness Printer took 203.06 ms. Allocated memory is still 230.7 MB. Free memory was 176.8 MB in the beginning and 162.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 473]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9171.8ms, OverallIterations: 11, TraceHistogramMax: 5, EmptinessCheckTime: 60.1ms, AutomataDifference: 5322.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 415.7ms, InitialAbstractionConstructionTime: 19.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1225 SDtfs, 1494 SDslu, 172 SDs, 0 SdLazy, 3885 SolverSat, 673 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3548.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 81.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1704occurred in iteration=6, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 395.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 742 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 241 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2032 FormulaSimplificationTreeSizeReduction, 62.1ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 224 FormulaSimplificationTreeSizeReductionInter, 346.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 151.3ms SsaConstructionTime, 471.5ms SatisfiabilityAnalysisTime, 1727.3ms InterpolantComputationTime, 1853 NumberOfCodeBlocks, 1853 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1841 ConstructedInterpolants, 0 QuantifiedInterpolants, 4326 SizeOfPredicates, 0 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 910/1016 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((8 <= a17 && a17 <= 8) && a28 <= 7) || (((10 <= a28 && 8 <= a17) && a17 <= 8) && a28 <= 10)) || (((10 <= a28 && a17 <= 8) && a28 <= 10) && a19 == 1)) || (((((a17 == 8 && a25 == 1) && a28 == 11) && a21 == 1) && a19 == 1) && !(a11 == 1))) || (((a25 == 1 && a17 <= 8) && a19 == 1) && a28 <= 7)) || (((8 <= a17 && a17 <= 8) && a28 <= 10) && a19 == 1)) || (((9 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((8 <= a17 && a17 <= 8) && a28 <= 10) && !(a25 == 1))) || ((a11 == 1 && a17 <= 8) && a28 <= 7) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((8 <= a17 && a17 <= 8) && a28 <= 7) || (((10 <= a28 && 8 <= a17) && a17 <= 8) && a28 <= 10)) || (((10 <= a28 && a17 <= 8) && a28 <= 10) && a19 == 1)) || (((((a17 == 8 && a25 == 1) && a28 == 11) && a21 == 1) && a19 == 1) && !(a11 == 1))) || (((a25 == 1 && a17 <= 8) && a19 == 1) && a28 <= 7)) || (((8 <= a17 && a17 <= 8) && a28 <= 10) && a19 == 1)) || (((9 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((8 <= a17 && a17 <= 8) && a28 <= 10) && !(a25 == 1))) || ((a11 == 1 && a17 <= 8) && a28 <= 7) RESULT: Ultimate proved your program to be correct! [2021-10-13 01:11:27,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7fde3c9-68ef-462c-b6aa-39b611650e28/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...