./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label46.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_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/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_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/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_de885ec7-d094-4e39-8db6-754a8cf79970/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 2291caba928db89f4f7b5c8ea69b5986b62c3d8c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:22:34,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:22:34,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:22:34,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:22:34,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:22:34,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:22:34,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:22:34,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:22:34,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:22:34,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:22:34,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:22:34,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:22:34,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:22:34,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:22:34,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:22:34,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:22:34,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:22:34,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:22:34,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:22:34,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:22:34,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:22:34,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:22:34,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:22:34,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:22:34,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:22:34,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:22:34,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:22:34,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:22:34,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:22:34,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:22:34,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:22:34,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:22:34,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:22:34,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:22:34,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:22:34,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:22:34,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:22:34,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:22:34,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:22:34,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:22:34,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:22:34,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:22:34,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:22:34,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:22:34,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:22:34,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:22:34,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:22:34,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:22:34,834 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:22:34,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:22:34,835 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:22:34,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:22:34,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:22:34,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:22:34,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:22:34,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:22:34,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:22:34,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:22:34,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:22:34,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:22:34,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:22:34,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:22:34,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:22:34,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:22:34,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:22:34,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:22:34,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:22:34,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:22:34,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:22:34,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:22:34,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:22:34,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:22:34,842 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_de885ec7-d094-4e39-8db6-754a8cf79970/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2291caba928db89f4f7b5c8ea69b5986b62c3d8c [2021-10-13 00:22:35,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:22:35,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:22:35,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:22:35,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:22:35,185 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:22:35,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2021-10-13 00:22:35,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/data/1733645aa/11d977a433c04a7a8a6af60f42b5a050/FLAGf2a45b1a8 [2021-10-13 00:22:35,906 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:22:35,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2021-10-13 00:22:35,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/data/1733645aa/11d977a433c04a7a8a6af60f42b5a050/FLAGf2a45b1a8 [2021-10-13 00:22:36,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/data/1733645aa/11d977a433c04a7a8a6af60f42b5a050 [2021-10-13 00:22:36,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:22:36,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:22:36,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:22:36,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:22:36,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:22:36,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:22:36" (1/1) ... [2021-10-13 00:22:36,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ac7ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:36, skipping insertion in model container [2021-10-13 00:22:36,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:22:36" (1/1) ... [2021-10-13 00:22:36,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:22:36,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:22:36,601 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_de885ec7-d094-4e39-8db6-754a8cf79970/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2021-10-13 00:22:36,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:36,880 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:22:36,927 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_de885ec7-d094-4e39-8db6-754a8cf79970/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2021-10-13 00:22:37,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:37,128 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:22:37,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37 WrapperNode [2021-10-13 00:22:37,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:22:37,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:22:37,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:22:37,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:22:37,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:22:37,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:22:37,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:22:37,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:22:37,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:22:37,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:22:37,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:22:37,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:22:37,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (1/1) ... [2021-10-13 00:22:37,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:22:37,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:22:37,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:22:37,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:22:37,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:22:37,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:22:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:22:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:22:39,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:22:39,137 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:22:39,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:39 BoogieIcfgContainer [2021-10-13 00:22:39,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:22:39,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:22:39,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:22:39,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:22:39,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:22:36" (1/3) ... [2021-10-13 00:22:39,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205d0554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:22:39, skipping insertion in model container [2021-10-13 00:22:39,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:37" (2/3) ... [2021-10-13 00:22:39,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205d0554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:22:39, skipping insertion in model container [2021-10-13 00:22:39,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:39" (3/3) ... [2021-10-13 00:22:39,148 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label46.c [2021-10-13 00:22:39,153 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:22:39,153 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:22:39,199 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:22:39,205 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 00:22:39,205 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:22:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 00:22:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-13 00:22:39,238 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:39,239 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] [2021-10-13 00:22:39,240 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:39,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:39,245 INFO L82 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2021-10-13 00:22:39,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:39,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081952605] [2021-10-13 00:22:39,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:39,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:39,638 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 00:22:39,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:39,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081952605] [2021-10-13 00:22:39,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081952605] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:39,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:39,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:22:39,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532183403] [2021-10-13 00:22:39,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:39,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:39,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:39,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:39,673 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 00:22:40,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:40,928 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-10-13 00:22:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:40,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-10-13 00:22:40,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:40,945 INFO L225 Difference]: With dead ends: 776 [2021-10-13 00:22:40,945 INFO L226 Difference]: Without dead ends: 413 [2021-10-13 00:22:40,949 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:40,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-13 00:22:41,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-10-13 00:22:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 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 00:22:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-10-13 00:22:41,014 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 62 [2021-10-13 00:22:41,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:41,015 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-10-13 00:22:41,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 00:22:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-10-13 00:22:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-13 00:22:41,022 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:41,022 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, 2, 2, 2, 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] [2021-10-13 00:22:41,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:22:41,023 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:41,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:41,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1066754174, now seen corresponding path program 1 times [2021-10-13 00:22:41,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:41,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938656268] [2021-10-13 00:22:41,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:41,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:41,143 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:41,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:41,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938656268] [2021-10-13 00:22:41,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938656268] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:41,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:41,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:22:41,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935852402] [2021-10-13 00:22:41,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:41,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:41,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:41,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:41,148 INFO L87 Difference]: Start difference. First operand 411 states and 598 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 00:22:42,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:42,063 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-10-13 00:22:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:42,064 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 00:22:42,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:42,069 INFO L225 Difference]: With dead ends: 1209 [2021-10-13 00:22:42,069 INFO L226 Difference]: Without dead ends: 800 [2021-10-13 00:22:42,072 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 00:22:42,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-13 00:22:42,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-10-13 00:22:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 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 00:22:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2021-10-13 00:22:42,111 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 130 [2021-10-13 00:22:42,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:42,112 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2021-10-13 00:22:42,112 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 00:22:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2021-10-13 00:22:42,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-13 00:22:42,119 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:42,120 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, 2, 2, 2, 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] [2021-10-13 00:22:42,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:22:42,120 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:42,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:42,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1046029789, now seen corresponding path program 1 times [2021-10-13 00:22:42,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:42,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282823283] [2021-10-13 00:22:42,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:42,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:42,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:42,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282823283] [2021-10-13 00:22:42,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282823283] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:42,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:42,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:22:42,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098174077] [2021-10-13 00:22:42,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:42,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:42,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:42,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:42,309 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:22:43,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:43,134 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2021-10-13 00:22:43,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:43,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-10-13 00:22:43,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:43,143 INFO L225 Difference]: With dead ends: 1942 [2021-10-13 00:22:43,143 INFO L226 Difference]: Without dead ends: 1157 [2021-10-13 00:22:43,144 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:43,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-10-13 00:22:43,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-10-13 00:22:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 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 00:22:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2021-10-13 00:22:43,175 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 132 [2021-10-13 00:22:43,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:43,175 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2021-10-13 00:22:43,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:22:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2021-10-13 00:22:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-10-13 00:22:43,182 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:43,183 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, 2, 2, 2, 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] [2021-10-13 00:22:43,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:22:43,183 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:43,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:43,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1696825530, now seen corresponding path program 1 times [2021-10-13 00:22:43,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:43,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432608030] [2021-10-13 00:22:43,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:43,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:43,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:43,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432608030] [2021-10-13 00:22:43,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432608030] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:43,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:43,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:43,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224760418] [2021-10-13 00:22:43,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:43,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:43,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:43,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:43,299 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 00:22:44,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:44,169 INFO L93 Difference]: Finished difference Result 2691 states and 3513 transitions. [2021-10-13 00:22:44,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:44,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2021-10-13 00:22:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:44,184 INFO L225 Difference]: With dead ends: 2691 [2021-10-13 00:22:44,184 INFO L226 Difference]: Without dead ends: 1721 [2021-10-13 00:22:44,186 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 00:22:44,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-10-13 00:22:44,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2021-10-13 00:22:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.260641781270465) internal successors, (1925), 1527 states have internal predecessors, (1925), 0 states have call successors, (0), 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 00:22:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1925 transitions. [2021-10-13 00:22:44,230 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1925 transitions. Word has length 174 [2021-10-13 00:22:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:44,231 INFO L470 AbstractCegarLoop]: Abstraction has 1528 states and 1925 transitions. [2021-10-13 00:22:44,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 00:22:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1925 transitions. [2021-10-13 00:22:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-13 00:22:44,236 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:44,237 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:22:44,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:22:44,237 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:44,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:44,238 INFO L82 PathProgramCache]: Analyzing trace with hash 800976377, now seen corresponding path program 1 times [2021-10-13 00:22:44,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:44,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867201065] [2021-10-13 00:22:44,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:44,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-13 00:22:44,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:44,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867201065] [2021-10-13 00:22:44,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867201065] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:44,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:44,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:44,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483488750] [2021-10-13 00:22:44,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:44,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:44,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:44,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:44,406 INFO L87 Difference]: Start difference. First operand 1528 states and 1925 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 00:22:45,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:45,334 INFO L93 Difference]: Finished difference Result 4160 states and 5315 transitions. [2021-10-13 00:22:45,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:45,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 244 [2021-10-13 00:22:45,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:45,349 INFO L225 Difference]: With dead ends: 4160 [2021-10-13 00:22:45,349 INFO L226 Difference]: Without dead ends: 2634 [2021-10-13 00:22:45,352 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 00:22:45,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2021-10-13 00:22:45,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2634. [2021-10-13 00:22:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2634 states, 2633 states have (on average 1.2468666919863274) internal successors, (3283), 2633 states have internal predecessors, (3283), 0 states have call successors, (0), 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 00:22:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 3283 transitions. [2021-10-13 00:22:45,459 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 3283 transitions. Word has length 244 [2021-10-13 00:22:45,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:45,460 INFO L470 AbstractCegarLoop]: Abstraction has 2634 states and 3283 transitions. [2021-10-13 00:22:45,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 00:22:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3283 transitions. [2021-10-13 00:22:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-13 00:22:45,465 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:45,466 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:22:45,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:22:45,466 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:45,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:45,467 INFO L82 PathProgramCache]: Analyzing trace with hash 531389150, now seen corresponding path program 1 times [2021-10-13 00:22:45,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:45,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840181372] [2021-10-13 00:22:45,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:45,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-13 00:22:45,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:45,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840181372] [2021-10-13 00:22:45,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840181372] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:45,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:45,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:22:45,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977151630] [2021-10-13 00:22:45,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:45,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:45,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:45,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:45,567 INFO L87 Difference]: Start difference. First operand 2634 states and 3283 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 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 00:22:46,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:46,355 INFO L93 Difference]: Finished difference Result 6553 states and 8157 transitions. [2021-10-13 00:22:46,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:46,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 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 255 [2021-10-13 00:22:46,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:46,377 INFO L225 Difference]: With dead ends: 6553 [2021-10-13 00:22:46,377 INFO L226 Difference]: Without dead ends: 3921 [2021-10-13 00:22:46,387 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 00:22:46,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2021-10-13 00:22:46,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 3185. [2021-10-13 00:22:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 3184 states have (on average 1.1699120603015076) internal successors, (3725), 3184 states have internal predecessors, (3725), 0 states have call successors, (0), 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 00:22:46,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 3725 transitions. [2021-10-13 00:22:46,477 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 3725 transitions. Word has length 255 [2021-10-13 00:22:46,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:46,477 INFO L470 AbstractCegarLoop]: Abstraction has 3185 states and 3725 transitions. [2021-10-13 00:22:46,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 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 00:22:46,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3725 transitions. [2021-10-13 00:22:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-10-13 00:22:46,483 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:46,484 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:46,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:22:46,484 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:46,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:46,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1060462334, now seen corresponding path program 1 times [2021-10-13 00:22:46,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:46,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159578418] [2021-10-13 00:22:46,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:46,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-13 00:22:46,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:46,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159578418] [2021-10-13 00:22:46,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159578418] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:46,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:46,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:46,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527641488] [2021-10-13 00:22:46,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:46,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:46,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:46,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:46,670 INFO L87 Difference]: Start difference. First operand 3185 states and 3725 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 00:22:47,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:47,596 INFO L93 Difference]: Finished difference Result 7108 states and 8338 transitions. [2021-10-13 00:22:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:47,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 271 [2021-10-13 00:22:47,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:47,618 INFO L225 Difference]: With dead ends: 7108 [2021-10-13 00:22:47,618 INFO L226 Difference]: Without dead ends: 3925 [2021-10-13 00:22:47,623 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 00:22:47,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3925 states. [2021-10-13 00:22:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 3736. [2021-10-13 00:22:47,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 3735 states have (on average 1.1606425702811245) internal successors, (4335), 3735 states have internal predecessors, (4335), 0 states have call successors, (0), 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 00:22:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 4335 transitions. [2021-10-13 00:22:47,713 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 4335 transitions. Word has length 271 [2021-10-13 00:22:47,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:47,714 INFO L470 AbstractCegarLoop]: Abstraction has 3736 states and 4335 transitions. [2021-10-13 00:22:47,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 00:22:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 4335 transitions. [2021-10-13 00:22:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-10-13 00:22:47,721 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:47,722 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:22:47,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:22:47,722 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:47,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:47,723 INFO L82 PathProgramCache]: Analyzing trace with hash 639036590, now seen corresponding path program 1 times [2021-10-13 00:22:47,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:47,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773817889] [2021-10-13 00:22:47,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:47,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-10-13 00:22:47,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:47,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773817889] [2021-10-13 00:22:47,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773817889] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:47,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:47,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:47,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167601412] [2021-10-13 00:22:47,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:47,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:47,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:47,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:47,913 INFO L87 Difference]: Start difference. First operand 3736 states and 4335 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 00:22:48,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:48,738 INFO L93 Difference]: Finished difference Result 8579 states and 9918 transitions. [2021-10-13 00:22:48,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:48,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 284 [2021-10-13 00:22:48,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:48,766 INFO L225 Difference]: With dead ends: 8579 [2021-10-13 00:22:48,766 INFO L226 Difference]: Without dead ends: 4845 [2021-10-13 00:22:48,771 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 00:22:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4845 states. [2021-10-13 00:22:48,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4845 to 4844. [2021-10-13 00:22:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4844 states, 4843 states have (on average 1.1525913689861655) internal successors, (5582), 4843 states have internal predecessors, (5582), 0 states have call successors, (0), 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 00:22:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4844 states to 4844 states and 5582 transitions. [2021-10-13 00:22:48,884 INFO L78 Accepts]: Start accepts. Automaton has 4844 states and 5582 transitions. Word has length 284 [2021-10-13 00:22:48,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:48,885 INFO L470 AbstractCegarLoop]: Abstraction has 4844 states and 5582 transitions. [2021-10-13 00:22:48,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 00:22:48,886 INFO L276 IsEmpty]: Start isEmpty. Operand 4844 states and 5582 transitions. [2021-10-13 00:22:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-10-13 00:22:48,893 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:48,893 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 00:22:48,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:22:48,894 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:48,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:48,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1603746634, now seen corresponding path program 1 times [2021-10-13 00:22:48,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:48,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139674217] [2021-10-13 00:22:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:48,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-10-13 00:22:49,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:49,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139674217] [2021-10-13 00:22:49,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139674217] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:49,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:49,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:49,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392820588] [2021-10-13 00:22:49,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:49,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:49,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:49,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:49,070 INFO L87 Difference]: Start difference. First operand 4844 states and 5582 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 00:22:49,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:49,869 INFO L93 Difference]: Finished difference Result 10238 states and 11865 transitions. [2021-10-13 00:22:49,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:49,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 293 [2021-10-13 00:22:49,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:49,902 INFO L225 Difference]: With dead ends: 10238 [2021-10-13 00:22:49,902 INFO L226 Difference]: Without dead ends: 5764 [2021-10-13 00:22:49,907 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 00:22:49,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5764 states. [2021-10-13 00:22:49,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5764 to 5212. [2021-10-13 00:22:50,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5211 states have (on average 1.146421032431395) internal successors, (5974), 5211 states have internal predecessors, (5974), 0 states have call successors, (0), 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 00:22:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 5974 transitions. [2021-10-13 00:22:50,011 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 5974 transitions. Word has length 293 [2021-10-13 00:22:50,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:50,012 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 5974 transitions. [2021-10-13 00:22:50,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 00:22:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 5974 transitions. [2021-10-13 00:22:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-10-13 00:22:50,022 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:50,022 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:50,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:22:50,023 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:50,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:50,023 INFO L82 PathProgramCache]: Analyzing trace with hash -971055813, now seen corresponding path program 1 times [2021-10-13 00:22:50,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:50,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245124135] [2021-10-13 00:22:50,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:50,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-13 00:22:50,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:50,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245124135] [2021-10-13 00:22:50,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245124135] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:50,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:50,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:50,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742538980] [2021-10-13 00:22:50,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:50,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:50,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:50,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:50,203 INFO L87 Difference]: Start difference. First operand 5212 states and 5974 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 00:22:51,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:51,111 INFO L93 Difference]: Finished difference Result 12262 states and 14255 transitions. [2021-10-13 00:22:51,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:51,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 321 [2021-10-13 00:22:51,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:51,153 INFO L225 Difference]: With dead ends: 12262 [2021-10-13 00:22:51,160 INFO L226 Difference]: Without dead ends: 7420 [2021-10-13 00:22:51,166 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 00:22:51,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7420 states. [2021-10-13 00:22:51,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7420 to 7235. [2021-10-13 00:22:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7235 states, 7234 states have (on average 1.1385125794857618) internal successors, (8236), 7234 states have internal predecessors, (8236), 0 states have call successors, (0), 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 00:22:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7235 states to 7235 states and 8236 transitions. [2021-10-13 00:22:51,323 INFO L78 Accepts]: Start accepts. Automaton has 7235 states and 8236 transitions. Word has length 321 [2021-10-13 00:22:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:51,324 INFO L470 AbstractCegarLoop]: Abstraction has 7235 states and 8236 transitions. [2021-10-13 00:22:51,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 00:22:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 7235 states and 8236 transitions. [2021-10-13 00:22:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-10-13 00:22:51,345 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:51,345 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:51,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:22:51,346 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:51,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:51,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1551061136, now seen corresponding path program 1 times [2021-10-13 00:22:51,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:51,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376344317] [2021-10-13 00:22:51,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:51,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-13 00:22:51,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:51,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376344317] [2021-10-13 00:22:51,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376344317] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:51,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:51,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:51,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732601685] [2021-10-13 00:22:51,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:51,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:51,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:51,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:51,556 INFO L87 Difference]: Start difference. First operand 7235 states and 8236 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 00:22:52,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:52,366 INFO L93 Difference]: Finished difference Result 15954 states and 18177 transitions. [2021-10-13 00:22:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:52,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 434 [2021-10-13 00:22:52,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:52,394 INFO L225 Difference]: With dead ends: 15954 [2021-10-13 00:22:52,394 INFO L226 Difference]: Without dead ends: 8905 [2021-10-13 00:22:52,401 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 00:22:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8905 states. [2021-10-13 00:22:52,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8905 to 8891. [2021-10-13 00:22:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8891 states, 8890 states have (on average 1.1227221597300336) internal successors, (9981), 8890 states have internal predecessors, (9981), 0 states have call successors, (0), 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 00:22:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8891 states to 8891 states and 9981 transitions. [2021-10-13 00:22:52,536 INFO L78 Accepts]: Start accepts. Automaton has 8891 states and 9981 transitions. Word has length 434 [2021-10-13 00:22:52,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:52,537 INFO L470 AbstractCegarLoop]: Abstraction has 8891 states and 9981 transitions. [2021-10-13 00:22:52,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 00:22:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 8891 states and 9981 transitions. [2021-10-13 00:22:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-10-13 00:22:52,556 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:52,557 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 00:22:52,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:22:52,557 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:52,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:52,558 INFO L82 PathProgramCache]: Analyzing trace with hash 531016907, now seen corresponding path program 1 times [2021-10-13 00:22:52,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:52,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238878403] [2021-10-13 00:22:52,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:52,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-10-13 00:22:52,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:52,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238878403] [2021-10-13 00:22:52,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238878403] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:52,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:52,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:52,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478287640] [2021-10-13 00:22:52,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:52,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:52,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:52,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:52,830 INFO L87 Difference]: Start difference. First operand 8891 states and 9981 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 00:22:53,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:53,609 INFO L93 Difference]: Finished difference Result 18699 states and 21106 transitions. [2021-10-13 00:22:53,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:53,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 486 [2021-10-13 00:22:53,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:53,626 INFO L225 Difference]: With dead ends: 18699 [2021-10-13 00:22:53,626 INFO L226 Difference]: Without dead ends: 10178 [2021-10-13 00:22:53,636 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 00:22:53,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10178 states. [2021-10-13 00:22:53,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10178 to 9994. [2021-10-13 00:22:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9994 states, 9993 states have (on average 1.1252877013909737) internal successors, (11245), 9993 states have internal predecessors, (11245), 0 states have call successors, (0), 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 00:22:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 11245 transitions. [2021-10-13 00:22:53,851 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 11245 transitions. Word has length 486 [2021-10-13 00:22:53,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:53,852 INFO L470 AbstractCegarLoop]: Abstraction has 9994 states and 11245 transitions. [2021-10-13 00:22:53,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 00:22:53,852 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 11245 transitions. [2021-10-13 00:22:53,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-10-13 00:22:53,878 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:53,879 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:22:53,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 00:22:53,879 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:53,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:53,880 INFO L82 PathProgramCache]: Analyzing trace with hash -236333549, now seen corresponding path program 1 times [2021-10-13 00:22:53,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:53,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049777643] [2021-10-13 00:22:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:53,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 586 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-10-13 00:22:54,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:54,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049777643] [2021-10-13 00:22:54,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049777643] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:54,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:54,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:54,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977646497] [2021-10-13 00:22:54,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:54,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:54,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:54,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:54,134 INFO L87 Difference]: Start difference. First operand 9994 states and 11245 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 00:22:54,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:54,963 INFO L93 Difference]: Finished difference Result 22027 states and 24894 transitions. [2021-10-13 00:22:54,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:54,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 522 [2021-10-13 00:22:54,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:54,985 INFO L225 Difference]: With dead ends: 22027 [2021-10-13 00:22:54,985 INFO L226 Difference]: Without dead ends: 12403 [2021-10-13 00:22:54,994 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:55,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12403 states. [2021-10-13 00:22:55,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12403 to 12215. [2021-10-13 00:22:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12215 states, 12214 states have (on average 1.1200261994432619) internal successors, (13680), 12214 states have internal predecessors, (13680), 0 states have call successors, (0), 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 00:22:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12215 states to 12215 states and 13680 transitions. [2021-10-13 00:22:55,217 INFO L78 Accepts]: Start accepts. Automaton has 12215 states and 13680 transitions. Word has length 522 [2021-10-13 00:22:55,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:55,217 INFO L470 AbstractCegarLoop]: Abstraction has 12215 states and 13680 transitions. [2021-10-13 00:22:55,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 00:22:55,218 INFO L276 IsEmpty]: Start isEmpty. Operand 12215 states and 13680 transitions. [2021-10-13 00:22:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-10-13 00:22:55,239 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:55,240 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:22:55,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:22:55,240 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:55,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:55,241 INFO L82 PathProgramCache]: Analyzing trace with hash 941049859, now seen corresponding path program 1 times [2021-10-13 00:22:55,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:55,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818503880] [2021-10-13 00:22:55,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:55,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 619 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-13 00:22:55,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:55,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818503880] [2021-10-13 00:22:55,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818503880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:55,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:55,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:55,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101019230] [2021-10-13 00:22:55,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:55,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:55,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:55,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:55,437 INFO L87 Difference]: Start difference. First operand 12215 states and 13680 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 00:22:56,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:56,415 INFO L93 Difference]: Finished difference Result 27191 states and 30476 transitions. [2021-10-13 00:22:56,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:56,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 526 [2021-10-13 00:22:56,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:56,447 INFO L225 Difference]: With dead ends: 27191 [2021-10-13 00:22:56,447 INFO L226 Difference]: Without dead ends: 15346 [2021-10-13 00:22:56,457 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 00:22:56,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15346 states. [2021-10-13 00:22:56,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15346 to 14415. [2021-10-13 00:22:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14415 states, 14414 states have (on average 1.1133620091577632) internal successors, (16048), 14414 states have internal predecessors, (16048), 0 states have call successors, (0), 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 00:22:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14415 states to 14415 states and 16048 transitions. [2021-10-13 00:22:56,659 INFO L78 Accepts]: Start accepts. Automaton has 14415 states and 16048 transitions. Word has length 526 [2021-10-13 00:22:56,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:56,659 INFO L470 AbstractCegarLoop]: Abstraction has 14415 states and 16048 transitions. [2021-10-13 00:22:56,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 00:22:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 14415 states and 16048 transitions. [2021-10-13 00:22:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-10-13 00:22:56,680 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:56,681 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:56,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 00:22:56,681 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:56,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:56,682 INFO L82 PathProgramCache]: Analyzing trace with hash -540773030, now seen corresponding path program 1 times [2021-10-13 00:22:56,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:56,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689285385] [2021-10-13 00:22:56,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:56,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 320 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-10-13 00:22:57,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:57,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689285385] [2021-10-13 00:22:57,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689285385] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:22:57,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529807092] [2021-10-13 00:22:57,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:57,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:22:57,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:22:57,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:22:57,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:22:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:57,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:22:57,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:23:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 320 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-10-13 00:23:13,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529807092] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:23:13,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:23:13,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-13 00:23:13,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271575682] [2021-10-13 00:23:13,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:23:13,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:13,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:23:13,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:23:13,111 INFO L87 Difference]: Start difference. First operand 14415 states and 16048 transitions. Second operand has 7 states, 7 states have (on average 66.14285714285714) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 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 00:23:16,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:16,133 INFO L93 Difference]: Finished difference Result 40271 states and 44912 transitions. [2021-10-13 00:23:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:23:16,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 66.14285714285714) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 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 532 [2021-10-13 00:23:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:16,185 INFO L225 Difference]: With dead ends: 40271 [2021-10-13 00:23:16,186 INFO L226 Difference]: Without dead ends: 26226 [2021-10-13 00:23:16,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 471 SyntacticMatches, 60 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 867.1ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:23:16,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26226 states. [2021-10-13 00:23:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26226 to 19217. [2021-10-13 00:23:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19217 states, 19216 states have (on average 1.1238551207327228) internal successors, (21596), 19216 states have internal predecessors, (21596), 0 states have call successors, (0), 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 00:23:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19217 states to 19217 states and 21596 transitions. [2021-10-13 00:23:16,513 INFO L78 Accepts]: Start accepts. Automaton has 19217 states and 21596 transitions. Word has length 532 [2021-10-13 00:23:16,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:16,514 INFO L470 AbstractCegarLoop]: Abstraction has 19217 states and 21596 transitions. [2021-10-13 00:23:16,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 66.14285714285714) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 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 00:23:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 19217 states and 21596 transitions. [2021-10-13 00:23:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-10-13 00:23:16,536 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:16,536 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:16,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:16,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-13 00:23:16,762 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:16,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:16,762 INFO L82 PathProgramCache]: Analyzing trace with hash -41039764, now seen corresponding path program 1 times [2021-10-13 00:23:16,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:16,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013940428] [2021-10-13 00:23:16,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:16,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 612 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-10-13 00:23:16,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:16,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013940428] [2021-10-13 00:23:16,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013940428] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:16,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:16,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:16,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442181253] [2021-10-13 00:23:16,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:23:16,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:16,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:23:16,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:16,983 INFO L87 Difference]: Start difference. First operand 19217 states and 21596 transitions. Second operand has 4 states, 4 states have (on average 87.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 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 00:23:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:18,413 INFO L93 Difference]: Finished difference Result 46913 states and 52456 transitions. [2021-10-13 00:23:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:23:18,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 87.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 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 537 [2021-10-13 00:23:18,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:18,456 INFO L225 Difference]: With dead ends: 46913 [2021-10-13 00:23:18,456 INFO L226 Difference]: Without dead ends: 27882 [2021-10-13 00:23:18,469 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:18,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27882 states. [2021-10-13 00:23:18,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27882 to 25847. [2021-10-13 00:23:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25847 states, 25846 states have (on average 1.1138280585003482) internal successors, (28788), 25846 states have internal predecessors, (28788), 0 states have call successors, (0), 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 00:23:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25847 states to 25847 states and 28788 transitions. [2021-10-13 00:23:18,970 INFO L78 Accepts]: Start accepts. Automaton has 25847 states and 28788 transitions. Word has length 537 [2021-10-13 00:23:18,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:18,971 INFO L470 AbstractCegarLoop]: Abstraction has 25847 states and 28788 transitions. [2021-10-13 00:23:18,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 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 00:23:18,971 INFO L276 IsEmpty]: Start isEmpty. Operand 25847 states and 28788 transitions. [2021-10-13 00:23:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2021-10-13 00:23:18,997 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:18,998 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:18,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-13 00:23:18,998 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:18,999 INFO L82 PathProgramCache]: Analyzing trace with hash -441751579, now seen corresponding path program 1 times [2021-10-13 00:23:18,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:19,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792555610] [2021-10-13 00:23:19,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:19,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 940 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-10-13 00:23:19,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:19,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792555610] [2021-10-13 00:23:19,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792555610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:19,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:19,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:19,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454441898] [2021-10-13 00:23:19,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:19,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:19,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:19,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:19,288 INFO L87 Difference]: Start difference. First operand 25847 states and 28788 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 00:23:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:20,217 INFO L93 Difference]: Finished difference Result 53548 states and 59629 transitions. [2021-10-13 00:23:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:20,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 628 [2021-10-13 00:23:20,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:20,241 INFO L225 Difference]: With dead ends: 53548 [2021-10-13 00:23:20,242 INFO L226 Difference]: Without dead ends: 28071 [2021-10-13 00:23:20,257 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 00:23:20,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28071 states. [2021-10-13 00:23:20,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28071 to 25479. [2021-10-13 00:23:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25479 states, 25478 states have (on average 1.1135881937357721) internal successors, (28372), 25478 states have internal predecessors, (28372), 0 states have call successors, (0), 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 00:23:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25479 states to 25479 states and 28372 transitions. [2021-10-13 00:23:20,772 INFO L78 Accepts]: Start accepts. Automaton has 25479 states and 28372 transitions. Word has length 628 [2021-10-13 00:23:20,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:20,773 INFO L470 AbstractCegarLoop]: Abstraction has 25479 states and 28372 transitions. [2021-10-13 00:23:20,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 00:23:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 25479 states and 28372 transitions. [2021-10-13 00:23:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2021-10-13 00:23:20,790 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:20,791 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:20,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-13 00:23:20,792 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:20,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:20,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1263406380, now seen corresponding path program 1 times [2021-10-13 00:23:20,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:20,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924925747] [2021-10-13 00:23:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:20,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2021-10-13 00:23:21,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:21,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924925747] [2021-10-13 00:23:21,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924925747] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:21,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:21,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:21,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521611601] [2021-10-13 00:23:21,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:21,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:21,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:21,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:21,184 INFO L87 Difference]: Start difference. First operand 25479 states and 28372 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 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 00:23:22,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:22,034 INFO L93 Difference]: Finished difference Result 52981 states and 58959 transitions. [2021-10-13 00:23:22,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:22,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 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 649 [2021-10-13 00:23:22,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:22,057 INFO L225 Difference]: With dead ends: 52981 [2021-10-13 00:23:22,058 INFO L226 Difference]: Without dead ends: 27872 [2021-10-13 00:23:22,162 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 00:23:22,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27872 states. [2021-10-13 00:23:22,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27872 to 25111. [2021-10-13 00:23:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25111 states, 25110 states have (on average 1.1046594982078852) internal successors, (27738), 25110 states have internal predecessors, (27738), 0 states have call successors, (0), 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 00:23:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25111 states to 25111 states and 27738 transitions. [2021-10-13 00:23:22,578 INFO L78 Accepts]: Start accepts. Automaton has 25111 states and 27738 transitions. Word has length 649 [2021-10-13 00:23:22,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:22,578 INFO L470 AbstractCegarLoop]: Abstraction has 25111 states and 27738 transitions. [2021-10-13 00:23:22,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 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 00:23:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 25111 states and 27738 transitions. [2021-10-13 00:23:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-10-13 00:23:22,609 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:22,612 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-13 00:23:22,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-13 00:23:22,613 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:22,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:22,613 INFO L82 PathProgramCache]: Analyzing trace with hash -437725028, now seen corresponding path program 1 times [2021-10-13 00:23:22,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:22,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896033006] [2021-10-13 00:23:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:22,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-10-13 00:23:22,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:22,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896033006] [2021-10-13 00:23:22,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896033006] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:22,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:22,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:22,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060346745] [2021-10-13 00:23:22,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:22,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:22,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:22,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:22,931 INFO L87 Difference]: Start difference. First operand 25111 states and 27738 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 00:23:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:23,854 INFO L93 Difference]: Finished difference Result 51507 states and 56870 transitions. [2021-10-13 00:23:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 682 [2021-10-13 00:23:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:23,885 INFO L225 Difference]: With dead ends: 51507 [2021-10-13 00:23:23,885 INFO L226 Difference]: Without dead ends: 26766 [2021-10-13 00:23:23,895 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 00:23:23,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26766 states. [2021-10-13 00:23:24,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26766 to 22705. [2021-10-13 00:23:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22705 states, 22704 states have (on average 1.0976479915433404) internal successors, (24921), 22704 states have internal predecessors, (24921), 0 states have call successors, (0), 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 00:23:24,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22705 states to 22705 states and 24921 transitions. [2021-10-13 00:23:24,263 INFO L78 Accepts]: Start accepts. Automaton has 22705 states and 24921 transitions. Word has length 682 [2021-10-13 00:23:24,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:24,263 INFO L470 AbstractCegarLoop]: Abstraction has 22705 states and 24921 transitions. [2021-10-13 00:23:24,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 00:23:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 22705 states and 24921 transitions. [2021-10-13 00:23:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2021-10-13 00:23:24,276 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:24,277 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:23:24,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-13 00:23:24,277 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:24,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:24,277 INFO L82 PathProgramCache]: Analyzing trace with hash -555156418, now seen corresponding path program 1 times [2021-10-13 00:23:24,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:24,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168372667] [2021-10-13 00:23:24,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:24,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 879 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-13 00:23:24,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:24,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168372667] [2021-10-13 00:23:24,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168372667] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:24,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:24,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:23:24,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837705809] [2021-10-13 00:23:24,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:23:24,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:24,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:23:24,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:23:24,829 INFO L87 Difference]: Start difference. First operand 22705 states and 24921 transitions. Second operand has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 0 states have call successors, (0), 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 00:23:26,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:26,644 INFO L93 Difference]: Finished difference Result 51741 states and 56654 transitions. [2021-10-13 00:23:26,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:23:26,645 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 0 states have call successors, (0), 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 683 [2021-10-13 00:23:26,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:26,675 INFO L225 Difference]: With dead ends: 51741 [2021-10-13 00:23:26,675 INFO L226 Difference]: Without dead ends: 29406 [2021-10-13 00:23:26,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 92.3ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:23:26,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29406 states. [2021-10-13 00:23:27,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29406 to 23254. [2021-10-13 00:23:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23254 states, 23253 states have (on average 1.0967617081666883) internal successors, (25503), 23253 states have internal predecessors, (25503), 0 states have call successors, (0), 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 00:23:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23254 states to 23254 states and 25503 transitions. [2021-10-13 00:23:27,075 INFO L78 Accepts]: Start accepts. Automaton has 23254 states and 25503 transitions. Word has length 683 [2021-10-13 00:23:27,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:27,075 INFO L470 AbstractCegarLoop]: Abstraction has 23254 states and 25503 transitions. [2021-10-13 00:23:27,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 0 states have call successors, (0), 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 00:23:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand 23254 states and 25503 transitions. [2021-10-13 00:23:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2021-10-13 00:23:27,097 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:27,098 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:23:27,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-13 00:23:27,098 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:27,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:27,099 INFO L82 PathProgramCache]: Analyzing trace with hash 817566167, now seen corresponding path program 1 times [2021-10-13 00:23:27,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:27,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998417117] [2021-10-13 00:23:27,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:27,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 901 proven. 8 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-13 00:23:27,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:27,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998417117] [2021-10-13 00:23:27,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998417117] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:23:27,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054710588] [2021-10-13 00:23:27,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:27,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:27,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:27,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:23:27,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 00:23:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:28,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:23:28,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:23:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 788 proven. 121 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-13 00:23:31,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054710588] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:23:31,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:23:31,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2021-10-13 00:23:31,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626342660] [2021-10-13 00:23:31,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 00:23:31,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:31,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 00:23:31,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:23:31,401 INFO L87 Difference]: Start difference. First operand 23254 states and 25503 transitions. Second operand has 9 states, 9 states have (on average 78.55555555555556) internal successors, (707), 8 states have internal predecessors, (707), 0 states have call successors, (0), 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 00:23:34,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:34,714 INFO L93 Difference]: Finished difference Result 53946 states and 59002 transitions. [2021-10-13 00:23:34,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-13 00:23:34,715 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 78.55555555555556) internal successors, (707), 8 states have internal predecessors, (707), 0 states have call successors, (0), 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 693 [2021-10-13 00:23:34,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:34,739 INFO L225 Difference]: With dead ends: 53946 [2021-10-13 00:23:34,739 INFO L226 Difference]: Without dead ends: 31246 [2021-10-13 00:23:34,744 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 391.4ms TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2021-10-13 00:23:34,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31246 states. [2021-10-13 00:23:35,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31246 to 28588. [2021-10-13 00:23:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28588 states, 28587 states have (on average 1.0905306607898695) internal successors, (31175), 28587 states have internal predecessors, (31175), 0 states have call successors, (0), 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 00:23:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28588 states to 28588 states and 31175 transitions. [2021-10-13 00:23:35,079 INFO L78 Accepts]: Start accepts. Automaton has 28588 states and 31175 transitions. Word has length 693 [2021-10-13 00:23:35,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:35,079 INFO L470 AbstractCegarLoop]: Abstraction has 28588 states and 31175 transitions. [2021-10-13 00:23:35,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 78.55555555555556) internal successors, (707), 8 states have internal predecessors, (707), 0 states have call successors, (0), 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 00:23:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 28588 states and 31175 transitions. [2021-10-13 00:23:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2021-10-13 00:23:35,095 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:35,096 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:23:35,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-13 00:23:35,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:35,296 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:35,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:35,297 INFO L82 PathProgramCache]: Analyzing trace with hash 281217285, now seen corresponding path program 1 times [2021-10-13 00:23:35,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:35,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141931244] [2021-10-13 00:23:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:35,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 978 proven. 213 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-10-13 00:23:35,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:35,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141931244] [2021-10-13 00:23:35,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141931244] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:23:35,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472467234] [2021-10-13 00:23:35,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:35,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:35,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:35,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:23:35,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 00:23:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:36,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:23:36,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:23:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 918 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-13 00:23:38,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472467234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:38,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:23:38,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-13 00:23:38,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685400135] [2021-10-13 00:23:38,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:38,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:38,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:38,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:23:38,687 INFO L87 Difference]: Start difference. First operand 28588 states and 31175 transitions. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 00:23:39,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:39,580 INFO L93 Difference]: Finished difference Result 55721 states and 60855 transitions. [2021-10-13 00:23:39,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:39,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 698 [2021-10-13 00:23:39,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:39,612 INFO L225 Difference]: With dead ends: 55721 [2021-10-13 00:23:39,612 INFO L226 Difference]: Without dead ends: 29895 [2021-10-13 00:23:39,626 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:23:39,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29895 states. [2021-10-13 00:23:39,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29895 to 28784. [2021-10-13 00:23:40,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28784 states, 28783 states have (on average 1.0867525970190737) internal successors, (31280), 28783 states have internal predecessors, (31280), 0 states have call successors, (0), 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 00:23:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28784 states to 28784 states and 31280 transitions. [2021-10-13 00:23:40,040 INFO L78 Accepts]: Start accepts. Automaton has 28784 states and 31280 transitions. Word has length 698 [2021-10-13 00:23:40,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:40,040 INFO L470 AbstractCegarLoop]: Abstraction has 28784 states and 31280 transitions. [2021-10-13 00:23:40,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 00:23:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 28784 states and 31280 transitions. [2021-10-13 00:23:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2021-10-13 00:23:40,075 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:40,076 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:40,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:40,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:40,290 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:40,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1137272937, now seen corresponding path program 1 times [2021-10-13 00:23:40,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:40,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866536676] [2021-10-13 00:23:40,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:40,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1102 proven. 64 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-10-13 00:23:40,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:40,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866536676] [2021-10-13 00:23:40,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866536676] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:23:40,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133559411] [2021-10-13 00:23:40,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:40,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:40,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:40,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:23:40,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 00:23:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:41,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:23:41,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:23:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1166 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-10-13 00:23:43,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133559411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:43,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:23:43,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-13 00:23:43,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469969948] [2021-10-13 00:23:43,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:43,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:43,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:43,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:23:43,475 INFO L87 Difference]: Start difference. First operand 28784 states and 31280 transitions. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 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 00:23:44,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:44,282 INFO L93 Difference]: Finished difference Result 56655 states and 61579 transitions. [2021-10-13 00:23:44,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:44,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 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 708 [2021-10-13 00:23:44,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:44,322 INFO L225 Difference]: With dead ends: 56655 [2021-10-13 00:23:44,322 INFO L226 Difference]: Without dead ends: 30633 [2021-10-13 00:23:44,337 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 20.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:23:44,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30633 states. [2021-10-13 00:23:44,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30633 to 28416. [2021-10-13 00:23:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28416 states, 28415 states have (on average 1.085095900052789) internal successors, (30833), 28415 states have internal predecessors, (30833), 0 states have call successors, (0), 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 00:23:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28416 states to 28416 states and 30833 transitions. [2021-10-13 00:23:44,744 INFO L78 Accepts]: Start accepts. Automaton has 28416 states and 30833 transitions. Word has length 708 [2021-10-13 00:23:44,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:44,745 INFO L470 AbstractCegarLoop]: Abstraction has 28416 states and 30833 transitions. [2021-10-13 00:23:44,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 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 00:23:44,745 INFO L276 IsEmpty]: Start isEmpty. Operand 28416 states and 30833 transitions. [2021-10-13 00:23:44,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2021-10-13 00:23:44,768 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:44,768 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:44,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:44,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:44,969 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:44,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:44,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1793538973, now seen corresponding path program 1 times [2021-10-13 00:23:44,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:44,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132126503] [2021-10-13 00:23:44,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:44,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 950 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-13 00:23:45,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:45,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132126503] [2021-10-13 00:23:45,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132126503] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:45,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:45,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:45,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055877869] [2021-10-13 00:23:45,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:23:45,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:45,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:23:45,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:45,276 INFO L87 Difference]: Start difference. First operand 28416 states and 30833 transitions. Second operand has 4 states, 4 states have (on average 111.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 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 00:23:46,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:46,343 INFO L93 Difference]: Finished difference Result 55913 states and 60661 transitions. [2021-10-13 00:23:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:23:46,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 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 714 [2021-10-13 00:23:46,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:46,368 INFO L225 Difference]: With dead ends: 55913 [2021-10-13 00:23:46,368 INFO L226 Difference]: Without dead ends: 29154 [2021-10-13 00:23:46,380 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:46,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29154 states. [2021-10-13 00:23:46,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29154 to 26022. [2021-10-13 00:23:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26022 states, 26021 states have (on average 1.0793974097844048) internal successors, (28087), 26021 states have internal predecessors, (28087), 0 states have call successors, (0), 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 00:23:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26022 states to 26022 states and 28087 transitions. [2021-10-13 00:23:46,666 INFO L78 Accepts]: Start accepts. Automaton has 26022 states and 28087 transitions. Word has length 714 [2021-10-13 00:23:46,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:46,667 INFO L470 AbstractCegarLoop]: Abstraction has 26022 states and 28087 transitions. [2021-10-13 00:23:46,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 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 00:23:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 26022 states and 28087 transitions. [2021-10-13 00:23:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2021-10-13 00:23:46,681 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:46,682 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:46,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-13 00:23:46,682 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:46,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:46,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1570745887, now seen corresponding path program 1 times [2021-10-13 00:23:46,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:46,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390421003] [2021-10-13 00:23:46,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:46,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 1174 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-10-13 00:23:46,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:46,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390421003] [2021-10-13 00:23:46,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390421003] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:46,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:46,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:23:46,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261876327] [2021-10-13 00:23:46,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:23:46,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:46,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:23:46,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:46,958 INFO L87 Difference]: Start difference. First operand 26022 states and 28087 transitions. Second operand has 4 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 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 00:23:48,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:48,201 INFO L93 Difference]: Finished difference Result 55183 states and 59667 transitions. [2021-10-13 00:23:48,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:23:48,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 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 715 [2021-10-13 00:23:48,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:48,228 INFO L225 Difference]: With dead ends: 55183 [2021-10-13 00:23:48,228 INFO L226 Difference]: Without dead ends: 31739 [2021-10-13 00:23:48,238 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:48,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31739 states. [2021-10-13 00:23:48,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31739 to 29896. [2021-10-13 00:23:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29896 states, 29895 states have (on average 1.0745944137815688) internal successors, (32125), 29895 states have internal predecessors, (32125), 0 states have call successors, (0), 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 00:23:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29896 states to 29896 states and 32125 transitions. [2021-10-13 00:23:48,688 INFO L78 Accepts]: Start accepts. Automaton has 29896 states and 32125 transitions. Word has length 715 [2021-10-13 00:23:48,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:48,688 INFO L470 AbstractCegarLoop]: Abstraction has 29896 states and 32125 transitions. [2021-10-13 00:23:48,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 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 00:23:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29896 states and 32125 transitions. [2021-10-13 00:23:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2021-10-13 00:23:48,702 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:48,703 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:48,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-13 00:23:48,703 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:48,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:48,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1422148490, now seen corresponding path program 1 times [2021-10-13 00:23:48,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:48,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019731332] [2021-10-13 00:23:48,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:48,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 1032 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-10-13 00:23:48,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:48,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019731332] [2021-10-13 00:23:48,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019731332] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:48,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:48,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:48,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369367576] [2021-10-13 00:23:48,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:48,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:48,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:48,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:48,967 INFO L87 Difference]: Start difference. First operand 29896 states and 32125 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:23:49,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:49,840 INFO L93 Difference]: Finished difference Result 57950 states and 62281 transitions. [2021-10-13 00:23:49,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:49,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 730 [2021-10-13 00:23:49,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:49,865 INFO L225 Difference]: With dead ends: 57950 [2021-10-13 00:23:49,865 INFO L226 Difference]: Without dead ends: 29527 [2021-10-13 00:23:49,876 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:49,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29527 states. [2021-10-13 00:23:50,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29527 to 28055. [2021-10-13 00:23:50,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28055 states, 28054 states have (on average 1.0718614101375918) internal successors, (30070), 28054 states have internal predecessors, (30070), 0 states have call successors, (0), 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 00:23:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28055 states to 28055 states and 30070 transitions. [2021-10-13 00:23:50,211 INFO L78 Accepts]: Start accepts. Automaton has 28055 states and 30070 transitions. Word has length 730 [2021-10-13 00:23:50,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:50,211 INFO L470 AbstractCegarLoop]: Abstraction has 28055 states and 30070 transitions. [2021-10-13 00:23:50,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:23:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 28055 states and 30070 transitions. [2021-10-13 00:23:50,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-10-13 00:23:50,225 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:50,226 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 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 00:23:50,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-13 00:23:50,226 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:50,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:50,227 INFO L82 PathProgramCache]: Analyzing trace with hash 519647050, now seen corresponding path program 1 times [2021-10-13 00:23:50,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:50,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936149901] [2021-10-13 00:23:50,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:50,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2021-10-13 00:23:50,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:50,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936149901] [2021-10-13 00:23:50,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936149901] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:50,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:50,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:50,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360092599] [2021-10-13 00:23:50,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:50,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:50,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:50,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:50,496 INFO L87 Difference]: Start difference. First operand 28055 states and 30070 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 00:23:51,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:51,426 INFO L93 Difference]: Finished difference Result 52982 states and 56750 transitions. [2021-10-13 00:23:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:51,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 731 [2021-10-13 00:23:51,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:51,452 INFO L225 Difference]: With dead ends: 52982 [2021-10-13 00:23:51,452 INFO L226 Difference]: Without dead ends: 26399 [2021-10-13 00:23:51,463 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26399 states. [2021-10-13 00:23:51,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26399 to 20489. [2021-10-13 00:23:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20489 states, 20488 states have (on average 1.0542268645060524) internal successors, (21599), 20488 states have internal predecessors, (21599), 0 states have call successors, (0), 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 00:23:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20489 states to 20489 states and 21599 transitions. [2021-10-13 00:23:51,743 INFO L78 Accepts]: Start accepts. Automaton has 20489 states and 21599 transitions. Word has length 731 [2021-10-13 00:23:51,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:51,744 INFO L470 AbstractCegarLoop]: Abstraction has 20489 states and 21599 transitions. [2021-10-13 00:23:51,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 00:23:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 20489 states and 21599 transitions. [2021-10-13 00:23:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2021-10-13 00:23:51,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:51,765 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:51,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-13 00:23:51,765 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:51,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:51,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1641320910, now seen corresponding path program 1 times [2021-10-13 00:23:51,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:51,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202711823] [2021-10-13 00:23:51,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:51,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:52,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1276 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2021-10-13 00:23:52,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:52,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202711823] [2021-10-13 00:23:52,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202711823] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:52,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:52,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:52,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997154355] [2021-10-13 00:23:52,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:52,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:52,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:52,043 INFO L87 Difference]: Start difference. First operand 20489 states and 21599 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 00:23:52,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:52,810 INFO L93 Difference]: Finished difference Result 40982 states and 43199 transitions. [2021-10-13 00:23:52,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:52,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 737 [2021-10-13 00:23:52,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:52,840 INFO L225 Difference]: With dead ends: 40982 [2021-10-13 00:23:52,840 INFO L226 Difference]: Without dead ends: 22519 [2021-10-13 00:23:52,851 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 00:23:52,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22519 states. [2021-10-13 00:23:53,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22519 to 20305. [2021-10-13 00:23:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20305 states, 20304 states have (on average 1.0537825059101655) internal successors, (21396), 20304 states have internal predecessors, (21396), 0 states have call successors, (0), 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 00:23:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20305 states to 20305 states and 21396 transitions. [2021-10-13 00:23:53,105 INFO L78 Accepts]: Start accepts. Automaton has 20305 states and 21396 transitions. Word has length 737 [2021-10-13 00:23:53,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:53,105 INFO L470 AbstractCegarLoop]: Abstraction has 20305 states and 21396 transitions. [2021-10-13 00:23:53,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 00:23:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 20305 states and 21396 transitions. [2021-10-13 00:23:53,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2021-10-13 00:23:53,119 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:53,119 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:53,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-13 00:23:53,120 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:53,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:53,120 INFO L82 PathProgramCache]: Analyzing trace with hash 852126883, now seen corresponding path program 1 times [2021-10-13 00:23:53,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:53,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903269882] [2021-10-13 00:23:53,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:53,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-10-13 00:23:53,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:53,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903269882] [2021-10-13 00:23:53,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903269882] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:53,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:53,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:23:53,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923767420] [2021-10-13 00:23:53,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:53,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:53,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:53,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:53,403 INFO L87 Difference]: Start difference. First operand 20305 states and 21396 transitions. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 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 00:23:53,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:53,814 INFO L93 Difference]: Finished difference Result 38581 states and 40675 transitions. [2021-10-13 00:23:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:53,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 789 [2021-10-13 00:23:53,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:53,830 INFO L225 Difference]: With dead ends: 38581 [2021-10-13 00:23:53,830 INFO L226 Difference]: Without dead ends: 20302 [2021-10-13 00:23:53,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 00:23:53,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20302 states. [2021-10-13 00:23:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20302 to 20300. [2021-10-13 00:23:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20300 states, 20299 states have (on average 1.05364796295384) internal successors, (21388), 20299 states have internal predecessors, (21388), 0 states have call successors, (0), 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 00:23:54,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20300 states to 20300 states and 21388 transitions. [2021-10-13 00:23:54,069 INFO L78 Accepts]: Start accepts. Automaton has 20300 states and 21388 transitions. Word has length 789 [2021-10-13 00:23:54,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:54,069 INFO L470 AbstractCegarLoop]: Abstraction has 20300 states and 21388 transitions. [2021-10-13 00:23:54,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 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 00:23:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 20300 states and 21388 transitions. [2021-10-13 00:23:54,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2021-10-13 00:23:54,084 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:54,084 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:23:54,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-13 00:23:54,085 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:54,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:54,085 INFO L82 PathProgramCache]: Analyzing trace with hash 126393737, now seen corresponding path program 1 times [2021-10-13 00:23:54,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:54,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607714779] [2021-10-13 00:23:54,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:54,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 1223 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-10-13 00:23:54,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:54,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607714779] [2021-10-13 00:23:54,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607714779] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:54,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:54,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:23:54,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936170645] [2021-10-13 00:23:54,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:23:54,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:54,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:23:54,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:54,427 INFO L87 Difference]: Start difference. First operand 20300 states and 21388 transitions. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 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 00:23:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:55,529 INFO L93 Difference]: Finished difference Result 43554 states and 45902 transitions. [2021-10-13 00:23:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:23:55,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 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 790 [2021-10-13 00:23:55,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:55,549 INFO L225 Difference]: With dead ends: 43554 [2021-10-13 00:23:55,550 INFO L226 Difference]: Without dead ends: 25280 [2021-10-13 00:23:55,559 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:55,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25280 states. [2021-10-13 00:23:55,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25280 to 18828. [2021-10-13 00:23:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18828 states, 18827 states have (on average 1.0535401285388006) internal successors, (19835), 18827 states have internal predecessors, (19835), 0 states have call successors, (0), 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 00:23:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18828 states to 18828 states and 19835 transitions. [2021-10-13 00:23:55,796 INFO L78 Accepts]: Start accepts. Automaton has 18828 states and 19835 transitions. Word has length 790 [2021-10-13 00:23:55,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:55,797 INFO L470 AbstractCegarLoop]: Abstraction has 18828 states and 19835 transitions. [2021-10-13 00:23:55,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 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 00:23:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 18828 states and 19835 transitions. [2021-10-13 00:23:55,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2021-10-13 00:23:55,811 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:55,812 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:55,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-13 00:23:55,812 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:55,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:55,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1012813082, now seen corresponding path program 1 times [2021-10-13 00:23:55,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:55,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815703181] [2021-10-13 00:23:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:55,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2622 backedges. 1642 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2021-10-13 00:23:56,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:56,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815703181] [2021-10-13 00:23:56,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815703181] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:56,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:56,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:56,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550389281] [2021-10-13 00:23:56,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:23:56,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:56,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:23:56,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:56,108 INFO L87 Difference]: Start difference. First operand 18828 states and 19835 transitions. Second operand has 4 states, 4 states have (on average 99.5) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 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 00:23:57,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:57,247 INFO L93 Difference]: Finished difference Result 37301 states and 39300 transitions. [2021-10-13 00:23:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:23:57,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 99.5) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 882 [2021-10-13 00:23:57,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:57,262 INFO L225 Difference]: With dead ends: 37301 [2021-10-13 00:23:57,262 INFO L226 Difference]: Without dead ends: 20131 [2021-10-13 00:23:57,270 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:57,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20131 states. [2021-10-13 00:23:57,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20131 to 17540. [2021-10-13 00:23:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17540 states, 17539 states have (on average 1.053822908945778) internal successors, (18483), 17539 states have internal predecessors, (18483), 0 states have call successors, (0), 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 00:23:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17540 states to 17540 states and 18483 transitions. [2021-10-13 00:23:57,483 INFO L78 Accepts]: Start accepts. Automaton has 17540 states and 18483 transitions. Word has length 882 [2021-10-13 00:23:57,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:57,483 INFO L470 AbstractCegarLoop]: Abstraction has 17540 states and 18483 transitions. [2021-10-13 00:23:57,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.5) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 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 00:23:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 17540 states and 18483 transitions. [2021-10-13 00:23:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2021-10-13 00:23:57,497 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:57,497 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-10-13 00:23:57,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-13 00:23:57,498 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:57,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:57,498 INFO L82 PathProgramCache]: Analyzing trace with hash -277331887, now seen corresponding path program 1 times [2021-10-13 00:23:57,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:57,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866202704] [2021-10-13 00:23:57,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:57,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 1145 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2021-10-13 00:23:57,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:57,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866202704] [2021-10-13 00:23:57,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866202704] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:57,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:57,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:23:57,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102665321] [2021-10-13 00:23:57,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:57,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:57,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:57,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:57,743 INFO L87 Difference]: Start difference. First operand 17540 states and 18483 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 0 states have call successors, (0), 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 00:23:58,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:58,213 INFO L93 Difference]: Finished difference Result 32680 states and 34462 transitions. [2021-10-13 00:23:58,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:58,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 0 states have call successors, (0), 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 901 [2021-10-13 00:23:58,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:58,226 INFO L225 Difference]: With dead ends: 32680 [2021-10-13 00:23:58,227 INFO L226 Difference]: Without dead ends: 17166 [2021-10-13 00:23:58,233 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 00:23:58,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17166 states. [2021-10-13 00:23:58,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17166 to 17164. [2021-10-13 00:23:58,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17164 states, 17163 states have (on average 1.0534288877235916) internal successors, (18080), 17163 states have internal predecessors, (18080), 0 states have call successors, (0), 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 00:23:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17164 states to 17164 states and 18080 transitions. [2021-10-13 00:23:58,431 INFO L78 Accepts]: Start accepts. Automaton has 17164 states and 18080 transitions. Word has length 901 [2021-10-13 00:23:58,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:58,431 INFO L470 AbstractCegarLoop]: Abstraction has 17164 states and 18080 transitions. [2021-10-13 00:23:58,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 0 states have call successors, (0), 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 00:23:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 17164 states and 18080 transitions. [2021-10-13 00:23:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2021-10-13 00:23:58,446 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:58,446 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:58,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-13 00:23:58,447 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:58,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:58,447 INFO L82 PathProgramCache]: Analyzing trace with hash 456086695, now seen corresponding path program 1 times [2021-10-13 00:23:58,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:58,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051926327] [2021-10-13 00:23:58,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:58,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 1609 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2021-10-13 00:23:58,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:58,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051926327] [2021-10-13 00:23:58,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051926327] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:58,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:58,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:58,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928186661] [2021-10-13 00:23:58,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:58,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:58,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:58,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:58,806 INFO L87 Difference]: Start difference. First operand 17164 states and 18080 transitions. Second operand has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 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 00:23:59,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:59,589 INFO L93 Difference]: Finished difference Result 33592 states and 35402 transitions. [2021-10-13 00:23:59,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:59,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 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 917 [2021-10-13 00:23:59,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:59,604 INFO L225 Difference]: With dead ends: 33592 [2021-10-13 00:23:59,604 INFO L226 Difference]: Without dead ends: 18454 [2021-10-13 00:23:59,610 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 00:23:59,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18454 states. [2021-10-13 00:23:59,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18454 to 16795. [2021-10-13 00:23:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16795 states, 16794 states have (on average 1.053709658211266) internal successors, (17696), 16794 states have internal predecessors, (17696), 0 states have call successors, (0), 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 00:23:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16795 states to 16795 states and 17696 transitions. [2021-10-13 00:23:59,816 INFO L78 Accepts]: Start accepts. Automaton has 16795 states and 17696 transitions. Word has length 917 [2021-10-13 00:23:59,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:59,816 INFO L470 AbstractCegarLoop]: Abstraction has 16795 states and 17696 transitions. [2021-10-13 00:23:59,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 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 00:23:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 16795 states and 17696 transitions. [2021-10-13 00:23:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1141 [2021-10-13 00:23:59,832 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:59,832 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-13 00:23:59,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-13 00:23:59,832 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:59,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:59,833 INFO L82 PathProgramCache]: Analyzing trace with hash -583638775, now seen corresponding path program 1 times [2021-10-13 00:23:59,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:59,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68532349] [2021-10-13 00:23:59,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:59,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4314 backedges. 3101 proven. 0 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2021-10-13 00:24:00,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:00,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68532349] [2021-10-13 00:24:00,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68532349] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:00,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:00,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:24:00,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128155866] [2021-10-13 00:24:00,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:24:00,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:00,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:24:00,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:24:00,287 INFO L87 Difference]: Start difference. First operand 16795 states and 17696 transitions. Second operand has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 00:24:01,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:01,739 INFO L93 Difference]: Finished difference Result 38753 states and 40810 transitions. [2021-10-13 00:24:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:24:01,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 1140 [2021-10-13 00:24:01,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:01,756 INFO L225 Difference]: With dead ends: 38753 [2021-10-13 00:24:01,756 INFO L226 Difference]: Without dead ends: 23248 [2021-10-13 00:24:01,761 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:24:01,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23248 states. [2021-10-13 00:24:01,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23248 to 16803. [2021-10-13 00:24:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16803 states, 16802 states have (on average 1.0521366503987621) internal successors, (17678), 16802 states have internal predecessors, (17678), 0 states have call successors, (0), 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 00:24:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16803 states to 16803 states and 17678 transitions. [2021-10-13 00:24:01,997 INFO L78 Accepts]: Start accepts. Automaton has 16803 states and 17678 transitions. Word has length 1140 [2021-10-13 00:24:01,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:01,997 INFO L470 AbstractCegarLoop]: Abstraction has 16803 states and 17678 transitions. [2021-10-13 00:24:01,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 00:24:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 16803 states and 17678 transitions. [2021-10-13 00:24:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1645 [2021-10-13 00:24:02,018 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:02,019 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:02,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-13 00:24:02,020 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:02,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:02,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1215164856, now seen corresponding path program 1 times [2021-10-13 00:24:02,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:02,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216482861] [2021-10-13 00:24:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:02,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 8213 backedges. 5383 proven. 44 refuted. 0 times theorem prover too weak. 2786 trivial. 0 not checked. [2021-10-13 00:24:02,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:02,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216482861] [2021-10-13 00:24:02,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216482861] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:24:02,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026336630] [2021-10-13 00:24:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:02,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:24:02,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:24:02,923 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:24:02,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 00:24:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:04,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 2047 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:24:04,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:24:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8213 backedges. 4984 proven. 0 refuted. 0 times theorem prover too weak. 3229 trivial. 0 not checked. [2021-10-13 00:24:07,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026336630] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:07,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:24:07,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-10-13 00:24:07,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002724373] [2021-10-13 00:24:07,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:24:07,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:07,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:24:07,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:24:07,390 INFO L87 Difference]: Start difference. First operand 16803 states and 17678 transitions. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 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 00:24:08,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:08,058 INFO L93 Difference]: Finished difference Result 30837 states and 32460 transitions. [2021-10-13 00:24:08,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:24:08,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 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 1644 [2021-10-13 00:24:08,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:08,066 INFO L225 Difference]: With dead ends: 30837 [2021-10-13 00:24:08,066 INFO L226 Difference]: Without dead ends: 9429 [2021-10-13 00:24:08,073 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1650 GetRequests, 1643 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 61.5ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:24:08,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9429 states. [2021-10-13 00:24:08,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9429 to 7031. [2021-10-13 00:24:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7031 states, 7030 states have (on average 1.02375533428165) internal successors, (7197), 7030 states have internal predecessors, (7197), 0 states have call successors, (0), 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 00:24:08,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7031 states to 7031 states and 7197 transitions. [2021-10-13 00:24:08,156 INFO L78 Accepts]: Start accepts. Automaton has 7031 states and 7197 transitions. Word has length 1644 [2021-10-13 00:24:08,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:08,157 INFO L470 AbstractCegarLoop]: Abstraction has 7031 states and 7197 transitions. [2021-10-13 00:24:08,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 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 00:24:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 7031 states and 7197 transitions. [2021-10-13 00:24:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1774 [2021-10-13 00:24:08,174 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:08,174 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:08,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-13 00:24:08,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-13 00:24:08,375 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:08,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:08,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1861214431, now seen corresponding path program 1 times [2021-10-13 00:24:08,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:08,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597681243] [2021-10-13 00:24:08,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:08,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 9562 backedges. 5094 proven. 277 refuted. 0 times theorem prover too weak. 4191 trivial. 0 not checked. [2021-10-13 00:24:09,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:09,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597681243] [2021-10-13 00:24:09,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597681243] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:24:09,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371106976] [2021-10-13 00:24:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:09,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:24:09,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:24:09,530 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:24:09,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 00:24:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:11,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 00:24:11,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:24:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 9562 backedges. 5481 proven. 353 refuted. 0 times theorem prover too weak. 3728 trivial. 0 not checked. [2021-10-13 00:24:19,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371106976] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:24:19,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:24:19,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 9 [2021-10-13 00:24:19,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211655081] [2021-10-13 00:24:19,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 00:24:19,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:19,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:24:19,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:24:19,831 INFO L87 Difference]: Start difference. First operand 7031 states and 7197 transitions. Second operand has 10 states, 10 states have (on average 68.7) internal successors, (687), 9 states have internal predecessors, (687), 0 states have call successors, (0), 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 00:24:21,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:21,890 INFO L93 Difference]: Finished difference Result 14568 states and 14919 transitions. [2021-10-13 00:24:21,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-13 00:24:21,890 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 68.7) internal successors, (687), 9 states have internal predecessors, (687), 0 states have call successors, (0), 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 1773 [2021-10-13 00:24:21,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:21,896 INFO L225 Difference]: With dead ends: 14568 [2021-10-13 00:24:21,896 INFO L226 Difference]: Without dead ends: 7907 [2021-10-13 00:24:21,900 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1786 GetRequests, 1768 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 210.0ms TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2021-10-13 00:24:21,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7907 states. [2021-10-13 00:24:21,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7907 to 7215. [2021-10-13 00:24:21,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7215 states, 7214 states have (on average 1.0237039090657056) internal successors, (7385), 7214 states have internal predecessors, (7385), 0 states have call successors, (0), 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 00:24:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7215 states to 7215 states and 7385 transitions. [2021-10-13 00:24:21,980 INFO L78 Accepts]: Start accepts. Automaton has 7215 states and 7385 transitions. Word has length 1773 [2021-10-13 00:24:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:21,981 INFO L470 AbstractCegarLoop]: Abstraction has 7215 states and 7385 transitions. [2021-10-13 00:24:21,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 68.7) internal successors, (687), 9 states have internal predecessors, (687), 0 states have call successors, (0), 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 00:24:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 7215 states and 7385 transitions. [2021-10-13 00:24:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1887 [2021-10-13 00:24:22,071 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:22,072 INFO L512 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-13 00:24:22,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:24:22,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-13 00:24:22,273 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:24:22,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:22,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1503382157, now seen corresponding path program 1 times [2021-10-13 00:24:22,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:22,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030701512] [2021-10-13 00:24:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:22,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:23,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10999 backedges. 6177 proven. 1173 refuted. 0 times theorem prover too weak. 3649 trivial. 0 not checked. [2021-10-13 00:24:23,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:23,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030701512] [2021-10-13 00:24:23,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030701512] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:24:23,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143328579] [2021-10-13 00:24:23,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:23,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:24:23,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:24:23,162 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:24:23,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 00:24:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:25,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:24:25,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:24:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 10999 backedges. 6365 proven. 0 refuted. 0 times theorem prover too weak. 4634 trivial. 0 not checked. [2021-10-13 00:24:29,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143328579] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:29,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:24:29,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2021-10-13 00:24:29,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731087776] [2021-10-13 00:24:29,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:24:29,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:29,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:24:29,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:24:29,618 INFO L87 Difference]: Start difference. First operand 7215 states and 7385 transitions. Second operand has 4 states, 4 states have (on average 122.5) internal successors, (490), 4 states have internal predecessors, (490), 0 states have call successors, (0), 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 00:24:30,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:30,192 INFO L93 Difference]: Finished difference Result 9079 states and 9296 transitions. [2021-10-13 00:24:30,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:24:30,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 122.5) internal successors, (490), 4 states have internal predecessors, (490), 0 states have call successors, (0), 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 1886 [2021-10-13 00:24:30,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:30,194 INFO L225 Difference]: With dead ends: 9079 [2021-10-13 00:24:30,194 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:24:30,196 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1892 GetRequests, 1887 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 24.1ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:24:30,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:24:30,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:24:30,197 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 00:24:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:24:30,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1886 [2021-10-13 00:24:30,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:30,197 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:24:30,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.5) internal successors, (490), 4 states have internal predecessors, (490), 0 states have call successors, (0), 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 00:24:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:24:30,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:24:30,199 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:24:30,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:24:30,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-10-13 00:24:30,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:24:30,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:34,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:38,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:24:48,616 WARN L207 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 951 DAG size of output: 194 [2021-10-13 00:24:58,225 WARN L207 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 951 DAG size of output: 194 [2021-10-13 00:24:58,229 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-13 00:24:58,229 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,229 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-13 00:24:58,230 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,231 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,231 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,231 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,231 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,231 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,231 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,232 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,232 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,232 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,232 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-13 00:24:58,232 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-13 00:24:58,232 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-13 00:24:58,233 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,233 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-13 00:24:58,233 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-13 00:24:58,233 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,233 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,233 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,233 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,234 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,234 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,234 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-13 00:24:58,234 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-13 00:24:58,234 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-13 00:24:58,234 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,235 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,235 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,235 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse28 (+ ~a23~0 43)) (.cse11 (< 245 ~a29~0)) (.cse21 (<= ~a29~0 274)) (.cse23 (<= ~a23~0 138)) (.cse25 (<= 130 ~a29~0)) (.cse7 (= ~a25~0 13)) (.cse27 (<= ~a23~0 278)) (.cse20 (<= ~a29~0 599998)) (.cse14 (= ~a4~0 1))) (let ((.cse1 (<= (+ ~a23~0 55) 0)) (.cse6 (<= ~a4~0 0)) (.cse10 (= ~a25~0 11)) (.cse16 (<= 217784 ~a23~0)) (.cse9 (<= ~a29~0 140)) (.cse12 (<= ~a25~0 10)) (.cse17 (<= ~a23~0 600000)) (.cse15 (< 140 ~a29~0)) (.cse22 (or (and .cse27 .cse11 .cse21 .cse14) (and .cse20 .cse23 .cse14 .cse25) (and .cse7 .cse27 .cse20 .cse14 (exists ((v_~a29~0_501 Int)) (and (let ((.cse29 (* v_~a29~0_501 9))) (let ((.cse31 (div .cse29 10))) (let ((.cse32 (+ .cse31 1))) (let ((.cse33 (* 5 (div .cse32 5)))) (or (and (or (<= 0 (* 9 v_~a29~0_501)) (= 0 (mod .cse29 10))) (let ((.cse30 (* 5 (div .cse31 5)))) (or (and (<= (+ .cse30 549278) ~a29~0) (or (= (mod .cse31 5) 0) (<= 0 .cse31))) (<= (+ 549283 .cse30) ~a29~0)))) (and (= (mod .cse32 5) 0) (<= (+ .cse33 549278) ~a29~0)) (<= (+ .cse33 549283) ~a29~0)))))) (<= 0 (+ 580293 v_~a29~0_501))))))) (.cse4 (= ~a3~0 1)) (.cse5 (= ~a8~0 15)) (.cse3 (<= (+ ~a29~0 22) 0)) (.cse0 (<= .cse28 0)) (.cse24 (<= ~a25~0 9)) (.cse8 (<= 0 (+ 580293 ~a29~0))) (.cse2 (= ~a25~0 12)) (.cse19 (< 0 .cse28)) (.cse18 (= ~a25~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 (<= (+ 119992 ~a23~0) 0) .cse5 (or (and .cse7 .cse3 .cse8) (and .cse0 .cse2 .cse3))) (and .cse0 .cse9 (<= 0 (+ ~a29~0 580294)) .cse10 .cse4 .cse5) (and (let ((.cse13 (<= 27009 ~a29~0))) (or (and .cse11 .cse12 .cse13 .cse4 .cse14) (and .cse10 .cse13 .cse4 .cse14))) .cse5) (and .cse15 .cse12 (<= ~a29~0 245) .cse4 .cse16 .cse14 .cse5) (and .cse17 .cse11 .cse10 .cse4 .cse14 .cse5) (and .cse1 .cse3 .cse4 .cse5 .cse8 .cse18) (and .cse7 .cse17 .cse19 .cse20 .cse4 .cse14 .cse5) (and .cse0 .cse2 .cse11 .cse21 .cse4 .cse5) (and .cse22 .cse10) (and .cse17 .cse11 .cse12 .cse4 .cse14 .cse5) (and .cse1 .cse2 .cse15 .cse21 .cse4 .cse5 .cse6) (and .cse23 .cse14 .cse24 .cse25) (and .cse11 .cse10 .cse21 .cse4 .cse23 .cse5) (and (<= ~a29~0 275) .cse2 .cse11 .cse4 .cse5 .cse6) (and .cse17 .cse15 (let ((.cse26 (<= ~a29~0 220))) (or (and (or (and .cse2 .cse26 .cse14) (and .cse2 .cse16 .cse14 (<= ~a29~0 232))) .cse4 .cse5) (and .cse10 .cse4 .cse16 .cse26 .cse14 .cse5)))) (and .cse20 .cse4 .cse5 (or (and .cse0 (<= 261 ~a29~0) .cse24) (and .cse7 .cse0 .cse11 .cse21))) (and .cse17 .cse4 .cse14 .cse5 .cse18) (and .cse9 .cse14 (<= ~a23~0 312) .cse24) (and .cse27 .cse11 .cse12 .cse20 .cse14) (and .cse17 .cse2 .cse11 .cse20 .cse4 .cse14 .cse5) (and .cse15 .cse22 .cse4 .cse5) (and .cse4 .cse5 (or (and .cse3 (or (and .cse0 .cse24 .cse8) (and .cse23 .cse14))) (and .cse27 .cse2 .cse19 .cse14))) (and .cse27 .cse14 .cse18)))) [2021-10-13 00:24:58,235 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,236 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-13 00:24:58,236 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-13 00:24:58,236 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,236 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,236 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,236 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,237 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,237 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,237 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-13 00:24:58,237 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-13 00:24:58,237 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 00:24:58,237 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-13 00:24:58,238 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,238 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,238 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,238 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,238 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,238 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,238 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,239 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-13 00:24:58,239 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-13 00:24:58,239 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-13 00:24:58,239 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,239 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,239 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,240 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,240 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,240 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,240 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,240 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,240 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,240 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-13 00:24:58,241 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-13 00:24:58,241 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-13 00:24:58,241 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,241 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse28 (+ ~a23~0 43)) (.cse11 (< 245 ~a29~0)) (.cse21 (<= ~a29~0 274)) (.cse23 (<= ~a23~0 138)) (.cse25 (<= 130 ~a29~0)) (.cse7 (= ~a25~0 13)) (.cse27 (<= ~a23~0 278)) (.cse20 (<= ~a29~0 599998)) (.cse14 (= ~a4~0 1))) (let ((.cse1 (<= (+ ~a23~0 55) 0)) (.cse6 (<= ~a4~0 0)) (.cse10 (= ~a25~0 11)) (.cse16 (<= 217784 ~a23~0)) (.cse9 (<= ~a29~0 140)) (.cse12 (<= ~a25~0 10)) (.cse17 (<= ~a23~0 600000)) (.cse15 (< 140 ~a29~0)) (.cse22 (or (and .cse27 .cse11 .cse21 .cse14) (and .cse20 .cse23 .cse14 .cse25) (and .cse7 .cse27 .cse20 .cse14 (exists ((v_~a29~0_501 Int)) (and (let ((.cse29 (* v_~a29~0_501 9))) (let ((.cse31 (div .cse29 10))) (let ((.cse32 (+ .cse31 1))) (let ((.cse33 (* 5 (div .cse32 5)))) (or (and (or (<= 0 (* 9 v_~a29~0_501)) (= 0 (mod .cse29 10))) (let ((.cse30 (* 5 (div .cse31 5)))) (or (and (<= (+ .cse30 549278) ~a29~0) (or (= (mod .cse31 5) 0) (<= 0 .cse31))) (<= (+ 549283 .cse30) ~a29~0)))) (and (= (mod .cse32 5) 0) (<= (+ .cse33 549278) ~a29~0)) (<= (+ .cse33 549283) ~a29~0)))))) (<= 0 (+ 580293 v_~a29~0_501))))))) (.cse4 (= ~a3~0 1)) (.cse5 (= ~a8~0 15)) (.cse3 (<= (+ ~a29~0 22) 0)) (.cse0 (<= .cse28 0)) (.cse24 (<= ~a25~0 9)) (.cse8 (<= 0 (+ 580293 ~a29~0))) (.cse2 (= ~a25~0 12)) (.cse19 (< 0 .cse28)) (.cse18 (= ~a25~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 (<= (+ 119992 ~a23~0) 0) .cse5 (or (and .cse7 .cse3 .cse8) (and .cse0 .cse2 .cse3))) (and .cse0 .cse9 (<= 0 (+ ~a29~0 580294)) .cse10 .cse4 .cse5) (and (let ((.cse13 (<= 27009 ~a29~0))) (or (and .cse11 .cse12 .cse13 .cse4 .cse14) (and .cse10 .cse13 .cse4 .cse14))) .cse5) (and .cse15 .cse12 (<= ~a29~0 245) .cse4 .cse16 .cse14 .cse5) (and .cse17 .cse11 .cse10 .cse4 .cse14 .cse5) (and .cse1 .cse3 .cse4 .cse5 .cse8 .cse18) (and .cse7 .cse17 .cse19 .cse20 .cse4 .cse14 .cse5) (and .cse0 .cse2 .cse11 .cse21 .cse4 .cse5) (and .cse22 .cse10) (and .cse17 .cse11 .cse12 .cse4 .cse14 .cse5) (and .cse1 .cse2 .cse15 .cse21 .cse4 .cse5 .cse6) (and .cse23 .cse14 .cse24 .cse25) (and .cse11 .cse10 .cse21 .cse4 .cse23 .cse5) (and (<= ~a29~0 275) .cse2 .cse11 .cse4 .cse5 .cse6) (and .cse17 .cse15 (let ((.cse26 (<= ~a29~0 220))) (or (and (or (and .cse2 .cse26 .cse14) (and .cse2 .cse16 .cse14 (<= ~a29~0 232))) .cse4 .cse5) (and .cse10 .cse4 .cse16 .cse26 .cse14 .cse5)))) (and .cse20 .cse4 .cse5 (or (and .cse0 (<= 261 ~a29~0) .cse24) (and .cse7 .cse0 .cse11 .cse21))) (and .cse17 .cse4 .cse14 .cse5 .cse18) (and .cse9 .cse14 (<= ~a23~0 312) .cse24) (and .cse27 .cse11 .cse12 .cse20 .cse14) (and .cse17 .cse2 .cse11 .cse20 .cse4 .cse14 .cse5) (and .cse15 .cse22 .cse4 .cse5) (and .cse4 .cse5 (or (and .cse3 (or (and .cse0 .cse24 .cse8) (and .cse23 .cse14))) (and .cse27 .cse2 .cse19 .cse14))) (and .cse27 .cse14 .cse18)))) [2021-10-13 00:24:58,242 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,242 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,242 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,242 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,242 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,242 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,242 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,243 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,243 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-13 00:24:58,243 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-13 00:24:58,243 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 00:24:58,243 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-13 00:24:58,243 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-13 00:24:58,244 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-13 00:24:58,244 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-13 00:24:58,244 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,244 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,244 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,244 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,244 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,245 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,245 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,245 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,245 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,245 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,245 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:24:58,245 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-13 00:24:58,246 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-13 00:24:58,246 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-13 00:24:58,246 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-13 00:24:58,246 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,246 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,246 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,246 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,247 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,247 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-13 00:24:58,247 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-13 00:24:58,247 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-13 00:24:58,247 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,247 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,247 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,248 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,248 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-13 00:24:58,248 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-13 00:24:58,248 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,248 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,248 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,249 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,249 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,249 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,249 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-13 00:24:58,249 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-13 00:24:58,249 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,249 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,250 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-13 00:24:58,250 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-13 00:24:58,250 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-13 00:24:58,250 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:24:58,250 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2021-10-13 00:24:58,250 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,251 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,251 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,251 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,251 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,251 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,251 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,251 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-13 00:24:58,252 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-13 00:24:58,252 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-13 00:24:58,252 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-13 00:24:58,252 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-13 00:24:58,252 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-13 00:24:58,252 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-13 00:24:58,252 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,253 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,253 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-13 00:24:58,253 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-13 00:24:58,253 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,253 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,253 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,253 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,254 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,254 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-13 00:24:58,254 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-13 00:24:58,254 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-13 00:24:58,254 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,254 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,254 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,255 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,255 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,255 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,255 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-13 00:24:58,255 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-13 00:24:58,255 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-13 00:24:58,256 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,256 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,256 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,256 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,256 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,256 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,257 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,257 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,257 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-13 00:24:58,257 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-13 00:24:58,257 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-13 00:24:58,257 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,257 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,258 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,258 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,258 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,258 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,258 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,258 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,258 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,259 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,259 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,259 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-13 00:24:58,259 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-13 00:24:58,259 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-13 00:24:58,259 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-13 00:24:58,260 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-13 00:24:58,260 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,260 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,260 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,260 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,260 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,260 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,261 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,261 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-13 00:24:58,261 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-13 00:24:58,261 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-13 00:24:58,261 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,261 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,261 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,262 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-13 00:24:58,262 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-13 00:24:58,262 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,262 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,262 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,262 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,262 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,263 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-13 00:24:58,263 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-13 00:24:58,263 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,263 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,263 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-13 00:24:58,263 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-13 00:24:58,263 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,264 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:24:58,264 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,264 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,264 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,264 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,264 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,264 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-13 00:24:58,265 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-13 00:24:58,265 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-13 00:24:58,265 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-13 00:24:58,265 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,265 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,265 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,266 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,266 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,266 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,266 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,266 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,266 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-13 00:24:58,266 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-13 00:24:58,267 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-13 00:24:58,267 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-13 00:24:58,267 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-13 00:24:58,267 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-13 00:24:58,267 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,267 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,268 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,268 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,268 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,268 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,268 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,268 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-13 00:24:58,268 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-13 00:24:58,269 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:24:58,269 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,269 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,269 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,269 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,269 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,269 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,270 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-13 00:24:58,270 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-13 00:24:58,270 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,270 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,270 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,270 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,271 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,271 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,271 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,271 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-13 00:24:58,271 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-13 00:24:58,271 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,271 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,272 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-13 00:24:58,272 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-13 00:24:58,272 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-13 00:24:58,272 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-13 00:24:58,276 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:24:58,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,287 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,293 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,308 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,309 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,310 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,311 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,312 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,313 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,329 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,331 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,336 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:24:58 BoogieIcfgContainer [2021-10-13 00:24:58,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:24:58,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:24:58,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:24:58,353 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:24:58,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:39" (3/4) ... [2021-10-13 00:24:58,364 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:24:58,399 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 00:24:58,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 00:24:58,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:24:58,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:24:58,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && a4 <= 0) || (((a3 == 1 && 119992 + a23 <= 0) && a8 == 15) && (((a25 == 13 && a29 + 22 <= 0) && 0 <= 580293 + a29) || ((a23 + 43 <= 0 && a25 == 12) && a29 + 22 <= 0)))) || (((((a23 + 43 <= 0 && a29 <= 140) && 0 <= a29 + 580294) && a25 == 11) && a3 == 1) && a8 == 15)) || ((((((245 < a29 && a25 <= 10) && 27009 <= a29) && a3 == 1) && a4 == 1) || (((a25 == 11 && 27009 <= a29) && a3 == 1) && a4 == 1)) && a8 == 15)) || ((((((140 < a29 && a25 <= 10) && a29 <= 245) && a3 == 1) && 217784 <= a23) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 245 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= 580293 + a29) && a25 == 10)) || ((((((a25 == 13 && a23 <= 600000) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a25 == 12) && 245 < a29) && a29 <= 274) && a3 == 1) && a8 == 15)) || ((((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501))) && a25 == 11)) || (((((a23 <= 600000 && 245 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a23 <= 138 && a4 == 1) && a25 <= 9) && 130 <= a29)) || (((((245 < a29 && a25 == 11) && a29 <= 274) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 245 < a29) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((a23 <= 600000 && 140 < a29) && ((((((a25 == 12 && a29 <= 220) && a4 == 1) || (((a25 == 12 && 217784 <= a23) && a4 == 1) && a29 <= 232)) && a3 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && 217784 <= a23) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((a29 <= 599998 && a3 == 1) && a8 == 15) && (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) || (((a25 == 13 && a23 + 43 <= 0) && 245 < a29) && a29 <= 274)))) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((a29 <= 140 && a4 == 1) && a23 <= 312) && a25 <= 9)) || ((((a23 <= 278 && 245 < a29) && a25 <= 10) && a29 <= 599998) && a4 == 1)) || ((((((a23 <= 600000 && a25 == 12) && 245 < a29) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((140 < a29 && (((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501)))) && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((a29 + 22 <= 0 && (((a23 + 43 <= 0 && a25 <= 9) && 0 <= 580293 + a29) || (a23 <= 138 && a4 == 1))) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)))) || ((a23 <= 278 && a4 == 1) && a25 == 10) [2021-10-13 00:24:58,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && a4 <= 0) || (((a3 == 1 && 119992 + a23 <= 0) && a8 == 15) && (((a25 == 13 && a29 + 22 <= 0) && 0 <= 580293 + a29) || ((a23 + 43 <= 0 && a25 == 12) && a29 + 22 <= 0)))) || (((((a23 + 43 <= 0 && a29 <= 140) && 0 <= a29 + 580294) && a25 == 11) && a3 == 1) && a8 == 15)) || ((((((245 < a29 && a25 <= 10) && 27009 <= a29) && a3 == 1) && a4 == 1) || (((a25 == 11 && 27009 <= a29) && a3 == 1) && a4 == 1)) && a8 == 15)) || ((((((140 < a29 && a25 <= 10) && a29 <= 245) && a3 == 1) && 217784 <= a23) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 245 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= 580293 + a29) && a25 == 10)) || ((((((a25 == 13 && a23 <= 600000) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a25 == 12) && 245 < a29) && a29 <= 274) && a3 == 1) && a8 == 15)) || ((((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501))) && a25 == 11)) || (((((a23 <= 600000 && 245 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a23 <= 138 && a4 == 1) && a25 <= 9) && 130 <= a29)) || (((((245 < a29 && a25 == 11) && a29 <= 274) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 245 < a29) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((a23 <= 600000 && 140 < a29) && ((((((a25 == 12 && a29 <= 220) && a4 == 1) || (((a25 == 12 && 217784 <= a23) && a4 == 1) && a29 <= 232)) && a3 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && 217784 <= a23) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((a29 <= 599998 && a3 == 1) && a8 == 15) && (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) || (((a25 == 13 && a23 + 43 <= 0) && 245 < a29) && a29 <= 274)))) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((a29 <= 140 && a4 == 1) && a23 <= 312) && a25 <= 9)) || ((((a23 <= 278 && 245 < a29) && a25 <= 10) && a29 <= 599998) && a4 == 1)) || ((((((a23 <= 600000 && a25 == 12) && 245 < a29) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((140 < a29 && (((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501)))) && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((a29 + 22 <= 0 && (((a23 + 43 <= 0 && a25 <= 9) && 0 <= 580293 + a29) || (a23 <= 138 && a4 == 1))) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)))) || ((a23 <= 278 && a4 == 1) && a25 == 10) [2021-10-13 00:24:58,569 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:24:58,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:24:58,570 INFO L168 Benchmark]: Toolchain (without parser) took 142437.89 ms. Allocated memory was 104.9 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 60.5 MB in the beginning and 988.9 MB in the end (delta: -928.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2021-10-13 00:24:58,571 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory is still 80.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:24:58,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 984.87 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 60.3 MB in the beginning and 97.3 MB in the end (delta: -37.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:24:58,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.79 ms. Allocated memory is still 125.8 MB. Free memory was 97.3 MB in the beginning and 81.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:24:58,573 INFO L168 Benchmark]: Boogie Preprocessor took 125.78 ms. Allocated memory is still 125.8 MB. Free memory was 81.0 MB in the beginning and 71.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:24:58,573 INFO L168 Benchmark]: RCFGBuilder took 1701.61 ms. Allocated memory was 125.8 MB in the beginning and 186.6 MB in the end (delta: 60.8 MB). Free memory was 71.2 MB in the beginning and 135.2 MB in the end (delta: -63.9 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:24:58,574 INFO L168 Benchmark]: TraceAbstraction took 139211.19 ms. Allocated memory was 186.6 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 134.1 MB in the beginning and 1.0 GB in the end (delta: -879.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. [2021-10-13 00:24:58,579 INFO L168 Benchmark]: Witness Printer took 216.04 ms. Allocated memory is still 2.8 GB. Free memory was 1.0 GB in the beginning and 988.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:24:58,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory is still 80.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 984.87 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 60.3 MB in the beginning and 97.3 MB in the end (delta: -37.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 179.79 ms. Allocated memory is still 125.8 MB. Free memory was 97.3 MB in the beginning and 81.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 125.78 ms. Allocated memory is still 125.8 MB. Free memory was 81.0 MB in the beginning and 71.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1701.61 ms. Allocated memory was 125.8 MB in the beginning and 186.6 MB in the end (delta: 60.8 MB). Free memory was 71.2 MB in the beginning and 135.2 MB in the end (delta: -63.9 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 139211.19 ms. Allocated memory was 186.6 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 134.1 MB in the beginning and 1.0 GB in the end (delta: -879.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. * Witness Printer took 216.04 ms. Allocated memory is still 2.8 GB. Free memory was 1.0 GB in the beginning and 988.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] * 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: 202]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 139079.4ms, OverallIterations: 37, TraceHistogramMax: 15, EmptinessCheckTime: 653.4ms, AutomataDifference: 41266.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 27828.2ms, InitialAbstractionConstructionTime: 19.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5946 SDtfs, 7628 SDslu, 1112 SDs, 0 SdLazy, 30141 SolverSat, 4225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28323.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8086 GetRequests, 7918 SyntacticMatches, 61 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 1750.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=29896occurred in iteration=25, InterpolantAutomatonStates: 157, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8189.5ms AutomataMinimizationTime, 37 MinimizatonAttempts, 68597 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 121 NumberOfFragments, 1737 HoareAnnotationTreeSize, 3 FomulaSimplifications, 134474161 FormulaSimplificationTreeSizeReduction, 8396.3ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 25795170 FormulaSimplificationTreeSizeReductionInter, 19415.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1314.3ms SsaConstructionTime, 3947.1ms SatisfiabilityAnalysisTime, 46460.9ms InterpolantComputationTime, 32227 NumberOfCodeBlocks, 32227 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 32183 ConstructedInterpolants, 60 QuantifiedInterpolants, 94472 SizeOfPredicates, 10 NumberOfNonLiveVariables, 10041 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 44 InterpolantComputations, 34 PerfectInterpolantSequences, 98606/101671 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: 1044]: Loop Invariant [2021-10-13 00:24:58,600 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,601 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,602 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,603 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,604 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,605 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,605 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,605 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,607 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,607 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,607 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,608 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,608 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,608 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && a4 <= 0) || (((a3 == 1 && 119992 + a23 <= 0) && a8 == 15) && (((a25 == 13 && a29 + 22 <= 0) && 0 <= 580293 + a29) || ((a23 + 43 <= 0 && a25 == 12) && a29 + 22 <= 0)))) || (((((a23 + 43 <= 0 && a29 <= 140) && 0 <= a29 + 580294) && a25 == 11) && a3 == 1) && a8 == 15)) || ((((((245 < a29 && a25 <= 10) && 27009 <= a29) && a3 == 1) && a4 == 1) || (((a25 == 11 && 27009 <= a29) && a3 == 1) && a4 == 1)) && a8 == 15)) || ((((((140 < a29 && a25 <= 10) && a29 <= 245) && a3 == 1) && 217784 <= a23) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 245 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= 580293 + a29) && a25 == 10)) || ((((((a25 == 13 && a23 <= 600000) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a25 == 12) && 245 < a29) && a29 <= 274) && a3 == 1) && a8 == 15)) || ((((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501))) && a25 == 11)) || (((((a23 <= 600000 && 245 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a23 <= 138 && a4 == 1) && a25 <= 9) && 130 <= a29)) || (((((245 < a29 && a25 == 11) && a29 <= 274) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 245 < a29) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((a23 <= 600000 && 140 < a29) && ((((((a25 == 12 && a29 <= 220) && a4 == 1) || (((a25 == 12 && 217784 <= a23) && a4 == 1) && a29 <= 232)) && a3 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && 217784 <= a23) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((a29 <= 599998 && a3 == 1) && a8 == 15) && (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) || (((a25 == 13 && a23 + 43 <= 0) && 245 < a29) && a29 <= 274)))) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((a29 <= 140 && a4 == 1) && a23 <= 312) && a25 <= 9)) || ((((a23 <= 278 && 245 < a29) && a25 <= 10) && a29 <= 599998) && a4 == 1)) || ((((((a23 <= 600000 && a25 == 12) && 245 < a29) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((140 < a29 && (((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501)))) && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((a29 + 22 <= 0 && (((a23 + 43 <= 0 && a25 <= 9) && 0 <= 580293 + a29) || (a23 <= 138 && a4 == 1))) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)))) || ((a23 <= 278 && a4 == 1) && a25 == 10) - InvariantResult [Line: 32]: Loop Invariant [2021-10-13 00:24:58,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,617 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,617 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,617 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,618 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,618 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,618 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,618 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,618 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,619 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,621 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,624 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,624 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,624 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,624 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,625 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,625 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,625 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,625 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,625 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,626 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-13 00:24:58,626 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && a4 <= 0) || (((a3 == 1 && 119992 + a23 <= 0) && a8 == 15) && (((a25 == 13 && a29 + 22 <= 0) && 0 <= 580293 + a29) || ((a23 + 43 <= 0 && a25 == 12) && a29 + 22 <= 0)))) || (((((a23 + 43 <= 0 && a29 <= 140) && 0 <= a29 + 580294) && a25 == 11) && a3 == 1) && a8 == 15)) || ((((((245 < a29 && a25 <= 10) && 27009 <= a29) && a3 == 1) && a4 == 1) || (((a25 == 11 && 27009 <= a29) && a3 == 1) && a4 == 1)) && a8 == 15)) || ((((((140 < a29 && a25 <= 10) && a29 <= 245) && a3 == 1) && 217784 <= a23) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 245 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= 580293 + a29) && a25 == 10)) || ((((((a25 == 13 && a23 <= 600000) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a25 == 12) && 245 < a29) && a29 <= 274) && a3 == 1) && a8 == 15)) || ((((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501))) && a25 == 11)) || (((((a23 <= 600000 && 245 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a23 <= 138 && a4 == 1) && a25 <= 9) && 130 <= a29)) || (((((245 < a29 && a25 == 11) && a29 <= 274) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 245 < a29) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((a23 <= 600000 && 140 < a29) && ((((((a25 == 12 && a29 <= 220) && a4 == 1) || (((a25 == 12 && 217784 <= a23) && a4 == 1) && a29 <= 232)) && a3 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && 217784 <= a23) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((a29 <= 599998 && a3 == 1) && a8 == 15) && (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) || (((a25 == 13 && a23 + 43 <= 0) && 245 < a29) && a29 <= 274)))) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((a29 <= 140 && a4 == 1) && a23 <= 312) && a25 <= 9)) || ((((a23 <= 278 && 245 < a29) && a25 <= 10) && a29 <= 599998) && a4 == 1)) || ((((((a23 <= 600000 && a25 == 12) && 245 < a29) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((140 < a29 && (((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501)))) && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((a29 + 22 <= 0 && (((a23 + 43 <= 0 && a25 <= 9) && 0 <= 580293 + a29) || (a23 <= 138 && a4 == 1))) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)))) || ((a23 <= 278 && a4 == 1) && a25 == 10) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:24:58,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de885ec7-d094-4e39-8db6-754a8cf79970/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...