./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a19424d0456c6718774c0e7f98c7314f15d1f859d3e4c4b58b43cec62bc198b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:48:48,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:48:48,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:48:49,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:48:49,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:48:49,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:48:49,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:48:49,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:48:49,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:48:49,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:48:49,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:48:49,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:48:49,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:48:49,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:48:49,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:48:49,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:48:49,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:48:49,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:48:49,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:48:49,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:48:49,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:48:49,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:48:49,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:48:49,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:48:49,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:48:49,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:48:49,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:48:49,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:48:49,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:48:49,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:48:49,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:48:49,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:48:49,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:48:49,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:48:49,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:48:49,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:48:49,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:48:49,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:48:49,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:48:49,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:48:49,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:48:49,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:48:49,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:48:49,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:48:49,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:48:49,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:48:49,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:48:49,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:48:49,128 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:48:49,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:48:49,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:48:49,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:48:49,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:48:49,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:48:49,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:48:49,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:48:49,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:48:49,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:48:49,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:48:49,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:48:49,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:48:49,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:48:49,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:48:49,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:48:49,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:48:49,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:48:49,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:48:49,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:48:49,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:48:49,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:48:49,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:48:49,141 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:48:49,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:48:49,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:48:49,142 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_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a19424d0456c6718774c0e7f98c7314f15d1f859d3e4c4b58b43cec62bc198b [2021-10-28 23:48:49,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:48:49,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:48:49,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:48:49,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:48:49,557 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:48:49,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/eca-rers2012/Problem15_label13.c [2021-10-28 23:48:49,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/data/9af508e94/5617b228fc34482eb156edb5df6b454a/FLAG308d1e4b3 [2021-10-28 23:48:50,519 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:48:50,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/sv-benchmarks/c/eca-rers2012/Problem15_label13.c [2021-10-28 23:48:50,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/data/9af508e94/5617b228fc34482eb156edb5df6b454a/FLAG308d1e4b3 [2021-10-28 23:48:50,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/data/9af508e94/5617b228fc34482eb156edb5df6b454a [2021-10-28 23:48:50,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:48:50,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:48:50,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:48:50,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:48:50,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:48:50,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:48:50" (1/1) ... [2021-10-28 23:48:50,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2441a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:50, skipping insertion in model container [2021-10-28 23:48:50,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:48:50" (1/1) ... [2021-10-28 23:48:50,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:48:50,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:48:51,091 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_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/sv-benchmarks/c/eca-rers2012/Problem15_label13.c[5940,5953] [2021-10-28 23:48:51,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:48:51,783 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:48:51,824 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_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/sv-benchmarks/c/eca-rers2012/Problem15_label13.c[5940,5953] [2021-10-28 23:48:52,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:48:52,094 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:48:52,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52 WrapperNode [2021-10-28 23:48:52,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:48:52,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:48:52,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:48:52,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:48:52,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:48:52,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:48:52,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:48:52,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:48:52,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:48:52,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:48:52,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:48:52,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:48:52,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (1/1) ... [2021-10-28 23:48:52,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:48:52,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:52,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:52,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:48:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:48:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:48:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:48:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:48:56,372 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:48:56,372 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 23:48:56,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:56 BoogieIcfgContainer [2021-10-28 23:48:56,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:48:56,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:48:56,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:48:56,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:48:56,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:48:50" (1/3) ... [2021-10-28 23:48:56,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f65121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:48:56, skipping insertion in model container [2021-10-28 23:48:56,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:52" (2/3) ... [2021-10-28 23:48:56,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f65121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:48:56, skipping insertion in model container [2021-10-28 23:48:56,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:56" (3/3) ... [2021-10-28 23:48:56,388 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label13.c [2021-10-28 23:48:56,395 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:48:56,395 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:48:56,481 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:48:56,490 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:48:56,491 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:48:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:56,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-28 23:48:56,546 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:48:56,547 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:48:56,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:48:56,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:56,554 INFO L85 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2021-10-28 23:48:56,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:56,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937484323] [2021-10-28 23:48:56,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:56,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:48:56,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:48:56,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937484323] [2021-10-28 23:48:56,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937484323] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:48:56,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:48:56,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:48:56,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706889034] [2021-10-28 23:48:56,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:48:56,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:48:56,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:48:56,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:56,900 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:59,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:48:59,892 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-10-28 23:48:59,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:48:59,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-10-28 23:48:59,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:48:59,918 INFO L225 Difference]: With dead ends: 1155 [2021-10-28 23:48:59,918 INFO L226 Difference]: Without dead ends: 667 [2021-10-28 23:48:59,925 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:48:59,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-10-28 23:49:00,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-10-28 23:49:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-10-28 23:49:00,025 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 48 [2021-10-28 23:49:00,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:00,026 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-10-28 23:49:00,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-10-28 23:49:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-28 23:49:00,033 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:00,034 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:49:00,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:49:00,034 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:00,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:00,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1552038125, now seen corresponding path program 1 times [2021-10-28 23:49:00,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:00,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370664463] [2021-10-28 23:49:00,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:00,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:00,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:00,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370664463] [2021-10-28 23:49:00,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370664463] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:00,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:00,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:49:00,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807112799] [2021-10-28 23:49:00,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:00,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:00,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:00,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:00,267 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:02,972 INFO L93 Difference]: Finished difference Result 1953 states and 2893 transitions. [2021-10-28 23:49:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:02,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-10-28 23:49:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:02,982 INFO L225 Difference]: With dead ends: 1953 [2021-10-28 23:49:02,982 INFO L226 Difference]: Without dead ends: 1290 [2021-10-28 23:49:02,985 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:02,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2021-10-28 23:49:03,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1282. [2021-10-28 23:49:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3981264637002342) internal successors, (1791), 1281 states have internal predecessors, (1791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1791 transitions. [2021-10-28 23:49:03,046 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1791 transitions. Word has length 123 [2021-10-28 23:49:03,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:03,047 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1791 transitions. [2021-10-28 23:49:03,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1791 transitions. [2021-10-28 23:49:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-28 23:49:03,051 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:03,052 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:49:03,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:49:03,052 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:03,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:03,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2128009123, now seen corresponding path program 1 times [2021-10-28 23:49:03,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:03,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525563729] [2021-10-28 23:49:03,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:03,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:03,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:03,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525563729] [2021-10-28 23:49:03,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525563729] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:03,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:03,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:49:03,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024349216] [2021-10-28 23:49:03,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:03,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:03,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:03,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:03,199 INFO L87 Difference]: Start difference. First operand 1282 states and 1791 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:06,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:06,692 INFO L93 Difference]: Finished difference Result 3764 states and 5260 transitions. [2021-10-28 23:49:06,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:06,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-10-28 23:49:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:06,710 INFO L225 Difference]: With dead ends: 3764 [2021-10-28 23:49:06,710 INFO L226 Difference]: Without dead ends: 2484 [2021-10-28 23:49:06,713 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:06,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-10-28 23:49:06,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2021-10-28 23:49:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2810637322329206) internal successors, (2794), 2181 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2794 transitions. [2021-10-28 23:49:06,784 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2794 transitions. Word has length 127 [2021-10-28 23:49:06,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:06,786 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2794 transitions. [2021-10-28 23:49:06,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2794 transitions. [2021-10-28 23:49:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-28 23:49:06,800 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:06,800 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:06,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:49:06,801 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:06,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:06,803 INFO L85 PathProgramCache]: Analyzing trace with hash -556771401, now seen corresponding path program 1 times [2021-10-28 23:49:06,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:06,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942722361] [2021-10-28 23:49:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:06,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:07,067 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 23:49:07,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:07,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942722361] [2021-10-28 23:49:07,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942722361] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:07,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:07,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:49:07,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836647394] [2021-10-28 23:49:07,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:07,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:07,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:07,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:07,076 INFO L87 Difference]: Start difference. First operand 2182 states and 2794 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:09,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:09,113 INFO L93 Difference]: Finished difference Result 6166 states and 7958 transitions. [2021-10-28 23:49:09,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:09,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 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 218 [2021-10-28 23:49:09,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:09,141 INFO L225 Difference]: With dead ends: 6166 [2021-10-28 23:49:09,142 INFO L226 Difference]: Without dead ends: 3986 [2021-10-28 23:49:09,145 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:09,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-10-28 23:49:09,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2021-10-28 23:49:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.219505569138821) internal successors, (4489), 3681 states have internal predecessors, (4489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4489 transitions. [2021-10-28 23:49:09,245 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4489 transitions. Word has length 218 [2021-10-28 23:49:09,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:09,246 INFO L470 AbstractCegarLoop]: Abstraction has 3682 states and 4489 transitions. [2021-10-28 23:49:09,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4489 transitions. [2021-10-28 23:49:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-10-28 23:49:09,253 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:09,254 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:09,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:49:09,254 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:09,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:09,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1996023235, now seen corresponding path program 1 times [2021-10-28 23:49:09,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:09,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657973520] [2021-10-28 23:49:09,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:09,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-28 23:49:09,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:09,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657973520] [2021-10-28 23:49:09,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657973520] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:09,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:09,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:49:09,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334569787] [2021-10-28 23:49:09,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:09,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:09,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:09,577 INFO L87 Difference]: Start difference. First operand 3682 states and 4489 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:11,939 INFO L93 Difference]: Finished difference Result 7661 states and 9287 transitions. [2021-10-28 23:49:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:11,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 320 [2021-10-28 23:49:11,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:11,965 INFO L225 Difference]: With dead ends: 7661 [2021-10-28 23:49:11,966 INFO L226 Difference]: Without dead ends: 3981 [2021-10-28 23:49:11,970 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:11,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-10-28 23:49:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2021-10-28 23:49:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2045226130653266) internal successors, (4794), 3980 states have internal predecessors, (4794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4794 transitions. [2021-10-28 23:49:12,096 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4794 transitions. Word has length 320 [2021-10-28 23:49:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:12,097 INFO L470 AbstractCegarLoop]: Abstraction has 3981 states and 4794 transitions. [2021-10-28 23:49:12,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4794 transitions. [2021-10-28 23:49:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-10-28 23:49:12,106 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:12,107 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:12,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:49:12,107 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:12,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:12,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2113612274, now seen corresponding path program 1 times [2021-10-28 23:49:12,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:12,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908631173] [2021-10-28 23:49:12,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:12,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 23:49:12,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:12,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908631173] [2021-10-28 23:49:12,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908631173] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:12,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:12,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:12,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047266763] [2021-10-28 23:49:12,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:12,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:12,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:12,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:12,301 INFO L87 Difference]: Start difference. First operand 3981 states and 4794 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:14,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:14,621 INFO L93 Difference]: Finished difference Result 9465 states and 11668 transitions. [2021-10-28 23:49:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:14,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 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 335 [2021-10-28 23:49:14,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:14,659 INFO L225 Difference]: With dead ends: 9465 [2021-10-28 23:49:14,659 INFO L226 Difference]: Without dead ends: 5785 [2021-10-28 23:49:14,665 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:14,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2021-10-28 23:49:14,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2021-10-28 23:49:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1672431684538223) internal successors, (6749), 5782 states have internal predecessors, (6749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:14,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6749 transitions. [2021-10-28 23:49:14,812 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6749 transitions. Word has length 335 [2021-10-28 23:49:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:14,813 INFO L470 AbstractCegarLoop]: Abstraction has 5783 states and 6749 transitions. [2021-10-28 23:49:14,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6749 transitions. [2021-10-28 23:49:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-10-28 23:49:14,823 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:14,824 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:14,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:49:14,825 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:14,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1950480271, now seen corresponding path program 1 times [2021-10-28 23:49:14,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:14,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143044026] [2021-10-28 23:49:14,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:14,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-28 23:49:15,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:15,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143044026] [2021-10-28 23:49:15,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143044026] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:15,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:15,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:15,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719266714] [2021-10-28 23:49:15,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:15,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:15,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:15,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:15,129 INFO L87 Difference]: Start difference. First operand 5783 states and 6749 transitions. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:17,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:17,754 INFO L93 Difference]: Finished difference Result 14278 states and 16790 transitions. [2021-10-28 23:49:17,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:17,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 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 394 [2021-10-28 23:49:17,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:17,818 INFO L225 Difference]: With dead ends: 14278 [2021-10-28 23:49:17,818 INFO L226 Difference]: Without dead ends: 8796 [2021-10-28 23:49:17,828 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8796 states. [2021-10-28 23:49:17,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8796 to 8781. [2021-10-28 23:49:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8781 states, 8780 states have (on average 1.1456719817767653) internal successors, (10059), 8780 states have internal predecessors, (10059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 10059 transitions. [2021-10-28 23:49:18,059 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 10059 transitions. Word has length 394 [2021-10-28 23:49:18,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:18,060 INFO L470 AbstractCegarLoop]: Abstraction has 8781 states and 10059 transitions. [2021-10-28 23:49:18,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 10059 transitions. [2021-10-28 23:49:18,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-10-28 23:49:18,071 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:18,072 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:18,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:49:18,072 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:18,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:18,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1317599371, now seen corresponding path program 1 times [2021-10-28 23:49:18,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:18,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947103812] [2021-10-28 23:49:18,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:18,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:49:18,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:18,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947103812] [2021-10-28 23:49:18,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947103812] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:18,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:18,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:18,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525443389] [2021-10-28 23:49:18,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:18,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:18,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:18,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:18,339 INFO L87 Difference]: Start difference. First operand 8781 states and 10059 transitions. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 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) [2021-10-28 23:49:20,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:20,529 INFO L93 Difference]: Finished difference Result 20258 states and 23585 transitions. [2021-10-28 23:49:20,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:20,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 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 413 [2021-10-28 23:49:20,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:20,562 INFO L225 Difference]: With dead ends: 20258 [2021-10-28 23:49:20,562 INFO L226 Difference]: Without dead ends: 11778 [2021-10-28 23:49:20,574 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11778 states. [2021-10-28 23:49:20,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11778 to 11172. [2021-10-28 23:49:20,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11172 states, 11171 states have (on average 1.1314116909855876) internal successors, (12639), 11171 states have internal predecessors, (12639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11172 states to 11172 states and 12639 transitions. [2021-10-28 23:49:20,796 INFO L78 Accepts]: Start accepts. Automaton has 11172 states and 12639 transitions. Word has length 413 [2021-10-28 23:49:20,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:20,797 INFO L470 AbstractCegarLoop]: Abstraction has 11172 states and 12639 transitions. [2021-10-28 23:49:20,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 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) [2021-10-28 23:49:20,798 INFO L276 IsEmpty]: Start isEmpty. Operand 11172 states and 12639 transitions. [2021-10-28 23:49:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-10-28 23:49:20,872 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:20,873 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 23:49:20,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:49:20,873 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:20,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:20,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1580672086, now seen corresponding path program 1 times [2021-10-28 23:49:20,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:20,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752000157] [2021-10-28 23:49:20,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:20,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 421 proven. 39 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-28 23:49:21,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:21,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752000157] [2021-10-28 23:49:21,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752000157] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:21,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052493067] [2021-10-28 23:49:21,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:21,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:21,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:21,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:49:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:21,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:49:21,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-10-28 23:49:23,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052493067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:23,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:49:23,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:49:23,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921439246] [2021-10-28 23:49:23,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:23,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:23,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:23,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:49:23,159 INFO L87 Difference]: Start difference. First operand 11172 states and 12639 transitions. Second operand has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:25,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:25,858 INFO L93 Difference]: Finished difference Result 25631 states and 29233 transitions. [2021-10-28 23:49:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:25,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 524 [2021-10-28 23:49:25,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:25,895 INFO L225 Difference]: With dead ends: 25631 [2021-10-28 23:49:25,895 INFO L226 Difference]: Without dead ends: 14760 [2021-10-28 23:49:25,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:49:25,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14760 states. [2021-10-28 23:49:26,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14760 to 9073. [2021-10-28 23:49:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9073 states, 9072 states have (on average 1.1470458553791887) internal successors, (10406), 9072 states have internal predecessors, (10406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:26,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 10406 transitions. [2021-10-28 23:49:26,105 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 10406 transitions. Word has length 524 [2021-10-28 23:49:26,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:26,106 INFO L470 AbstractCegarLoop]: Abstraction has 9073 states and 10406 transitions. [2021-10-28 23:49:26,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 10406 transitions. [2021-10-28 23:49:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-10-28 23:49:26,116 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:26,116 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:26,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-28 23:49:26,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:26,345 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:26,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:26,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1887006757, now seen corresponding path program 1 times [2021-10-28 23:49:26,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:26,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599546895] [2021-10-28 23:49:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:26,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 501 proven. 39 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-28 23:49:26,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:26,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599546895] [2021-10-28 23:49:26,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599546895] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:26,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313677417] [2021-10-28 23:49:26,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:26,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:26,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:26,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:26,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:49:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:27,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:49:27,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-10-28 23:49:28,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313677417] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:28,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:49:28,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:49:28,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978986064] [2021-10-28 23:49:28,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:28,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:28,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:28,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:49:28,580 INFO L87 Difference]: Start difference. First operand 9073 states and 10406 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:30,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:30,649 INFO L93 Difference]: Finished difference Result 20535 states and 23946 transitions. [2021-10-28 23:49:30,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:30,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 [2021-10-28 23:49:30,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:30,675 INFO L225 Difference]: With dead ends: 20535 [2021-10-28 23:49:30,676 INFO L226 Difference]: Without dead ends: 11763 [2021-10-28 23:49:30,688 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:49:30,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11763 states. [2021-10-28 23:49:30,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11763 to 11763. [2021-10-28 23:49:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11763 states, 11762 states have (on average 1.1576262540384288) internal successors, (13616), 11762 states have internal predecessors, (13616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11763 states to 11763 states and 13616 transitions. [2021-10-28 23:49:30,888 INFO L78 Accepts]: Start accepts. Automaton has 11763 states and 13616 transitions. Word has length 532 [2021-10-28 23:49:30,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:30,889 INFO L470 AbstractCegarLoop]: Abstraction has 11763 states and 13616 transitions. [2021-10-28 23:49:30,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 11763 states and 13616 transitions. [2021-10-28 23:49:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-10-28 23:49:30,901 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:30,902 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:30,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:31,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 23:49:31,117 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:31,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2131564190, now seen corresponding path program 1 times [2021-10-28 23:49:31,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:31,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120045629] [2021-10-28 23:49:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:31,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-10-28 23:49:31,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:31,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120045629] [2021-10-28 23:49:31,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120045629] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:31,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:31,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:31,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480682706] [2021-10-28 23:49:31,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:31,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:31,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:31,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:31,485 INFO L87 Difference]: Start difference. First operand 11763 states and 13616 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:33,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:33,899 INFO L93 Difference]: Finished difference Result 26841 states and 31362 transitions. [2021-10-28 23:49:33,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:33,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 575 [2021-10-28 23:49:33,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:33,931 INFO L225 Difference]: With dead ends: 26841 [2021-10-28 23:49:33,931 INFO L226 Difference]: Without dead ends: 15379 [2021-10-28 23:49:33,947 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:33,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15379 states. [2021-10-28 23:49:34,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15379 to 11766. [2021-10-28 23:49:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11766 states, 11765 states have (on average 1.1576710582235443) internal successors, (13620), 11765 states have internal predecessors, (13620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11766 states to 11766 states and 13620 transitions. [2021-10-28 23:49:34,155 INFO L78 Accepts]: Start accepts. Automaton has 11766 states and 13620 transitions. Word has length 575 [2021-10-28 23:49:34,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:34,157 INFO L470 AbstractCegarLoop]: Abstraction has 11766 states and 13620 transitions. [2021-10-28 23:49:34,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:34,157 INFO L276 IsEmpty]: Start isEmpty. Operand 11766 states and 13620 transitions. [2021-10-28 23:49:34,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-10-28 23:49:34,218 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:34,219 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:34,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:49:34,220 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:34,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:34,220 INFO L85 PathProgramCache]: Analyzing trace with hash -2017912710, now seen corresponding path program 1 times [2021-10-28 23:49:34,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:34,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374719581] [2021-10-28 23:49:34,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:34,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 658 proven. 39 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2021-10-28 23:49:34,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:34,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374719581] [2021-10-28 23:49:34,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374719581] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:34,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382228886] [2021-10-28 23:49:34,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:34,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:34,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:34,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:34,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:49:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:35,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:49:35,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 835 trivial. 0 not checked. [2021-10-28 23:49:36,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382228886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:36,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:49:36,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 23:49:36,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801316799] [2021-10-28 23:49:36,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:36,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:36,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:36,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:49:36,567 INFO L87 Difference]: Start difference. First operand 11766 states and 13620 transitions. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:38,701 INFO L93 Difference]: Finished difference Result 26222 states and 30910 transitions. [2021-10-28 23:49:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:38,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 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 611 [2021-10-28 23:49:38,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:38,735 INFO L225 Difference]: With dead ends: 26222 [2021-10-28 23:49:38,736 INFO L226 Difference]: Without dead ends: 14757 [2021-10-28 23:49:38,747 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:49:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14757 states. [2021-10-28 23:49:38,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14757 to 14457. [2021-10-28 23:49:38,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14457 states, 14456 states have (on average 1.1356530160486995) internal successors, (16417), 14456 states have internal predecessors, (16417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14457 states to 14457 states and 16417 transitions. [2021-10-28 23:49:38,999 INFO L78 Accepts]: Start accepts. Automaton has 14457 states and 16417 transitions. Word has length 611 [2021-10-28 23:49:38,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:39,000 INFO L470 AbstractCegarLoop]: Abstraction has 14457 states and 16417 transitions. [2021-10-28 23:49:39,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 14457 states and 16417 transitions. [2021-10-28 23:49:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-10-28 23:49:39,018 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:39,020 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:39,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:39,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 23:49:39,245 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:39,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:39,246 INFO L85 PathProgramCache]: Analyzing trace with hash 650309510, now seen corresponding path program 1 times [2021-10-28 23:49:39,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:39,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073774458] [2021-10-28 23:49:39,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:39,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-28 23:49:39,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:39,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073774458] [2021-10-28 23:49:39,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073774458] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:39,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:39,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:49:39,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944727466] [2021-10-28 23:49:39,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:49:39,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:39,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:49:39,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:39,563 INFO L87 Difference]: Start difference. First operand 14457 states and 16417 transitions. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:42,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:42,641 INFO L93 Difference]: Finished difference Result 36983 states and 41954 transitions. [2021-10-28 23:49:42,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:49:42,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 616 [2021-10-28 23:49:42,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:42,682 INFO L225 Difference]: With dead ends: 36983 [2021-10-28 23:49:42,682 INFO L226 Difference]: Without dead ends: 22827 [2021-10-28 23:49:42,692 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:49:42,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22827 states. [2021-10-28 23:49:42,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22827 to 19239. [2021-10-28 23:49:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19239 states, 19238 states have (on average 1.1266763696849984) internal successors, (21675), 19238 states have internal predecessors, (21675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19239 states to 19239 states and 21675 transitions. [2021-10-28 23:49:43,010 INFO L78 Accepts]: Start accepts. Automaton has 19239 states and 21675 transitions. Word has length 616 [2021-10-28 23:49:43,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:43,012 INFO L470 AbstractCegarLoop]: Abstraction has 19239 states and 21675 transitions. [2021-10-28 23:49:43,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 19239 states and 21675 transitions. [2021-10-28 23:49:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2021-10-28 23:49:43,054 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:43,055 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:43,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:49:43,056 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:43,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:43,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1018562376, now seen corresponding path program 1 times [2021-10-28 23:49:43,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:43,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696402664] [2021-10-28 23:49:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:43,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 840 proven. 39 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-10-28 23:49:43,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:43,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696402664] [2021-10-28 23:49:43,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696402664] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:43,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36820555] [2021-10-28 23:49:43,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:43,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:49:43,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:49:43,417 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:49:43,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:49:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:44,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:49:44,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:49:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 840 proven. 39 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-10-28 23:49:47,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36820555] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:49:47,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:49:47,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 23:49:47,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106357336] [2021-10-28 23:49:47,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:49:47,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:47,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:49:47,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:49:47,223 INFO L87 Difference]: Start difference. First operand 19239 states and 21675 transitions. Second operand has 7 states, 7 states have (on average 90.14285714285714) internal successors, (631), 6 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:53,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:53,018 INFO L93 Difference]: Finished difference Result 45755 states and 51360 transitions. [2021-10-28 23:49:53,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:49:53,019 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 90.14285714285714) internal successors, (631), 6 states have internal predecessors, (631), 0 states have call successors, (0), 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 767 [2021-10-28 23:49:53,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:53,045 INFO L225 Difference]: With dead ends: 45755 [2021-10-28 23:49:53,045 INFO L226 Difference]: Without dead ends: 21331 [2021-10-28 23:49:53,060 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 765 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:49:53,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21331 states. [2021-10-28 23:49:53,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21331 to 16247. [2021-10-28 23:49:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16247 states, 16246 states have (on average 1.0627231318478394) internal successors, (17265), 16246 states have internal predecessors, (17265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16247 states to 16247 states and 17265 transitions. [2021-10-28 23:49:53,454 INFO L78 Accepts]: Start accepts. Automaton has 16247 states and 17265 transitions. Word has length 767 [2021-10-28 23:49:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:53,455 INFO L470 AbstractCegarLoop]: Abstraction has 16247 states and 17265 transitions. [2021-10-28 23:49:53,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.14285714285714) internal successors, (631), 6 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 16247 states and 17265 transitions. [2021-10-28 23:49:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2021-10-28 23:49:53,484 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:53,485 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:53,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:49:53,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 23:49:53,713 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:53,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash 603125184, now seen corresponding path program 1 times [2021-10-28 23:49:53,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:53,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901712995] [2021-10-28 23:49:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:53,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-10-28 23:49:54,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:54,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901712995] [2021-10-28 23:49:54,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901712995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:54,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:54,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:49:54,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970621658] [2021-10-28 23:49:54,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:49:54,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:54,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:49:54,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:49:54,151 INFO L87 Difference]: Start difference. First operand 16247 states and 17265 transitions. Second operand has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:56,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:49:56,228 INFO L93 Difference]: Finished difference Result 33838 states and 35915 transitions. [2021-10-28 23:49:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:49:56,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 states have internal predecessors, (514), 0 states have call successors, (0), 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 780 [2021-10-28 23:49:56,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:49:56,251 INFO L225 Difference]: With dead ends: 33838 [2021-10-28 23:49:56,252 INFO L226 Difference]: Without dead ends: 17593 [2021-10-28 23:49:56,263 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:49:56,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17593 states. [2021-10-28 23:49:56,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17593 to 16546. [2021-10-28 23:49:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16546 states, 16545 states have (on average 1.0617104865518283) internal successors, (17566), 16545 states have internal predecessors, (17566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16546 states to 16546 states and 17566 transitions. [2021-10-28 23:49:56,633 INFO L78 Accepts]: Start accepts. Automaton has 16546 states and 17566 transitions. Word has length 780 [2021-10-28 23:49:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:49:56,634 INFO L470 AbstractCegarLoop]: Abstraction has 16546 states and 17566 transitions. [2021-10-28 23:49:56,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:49:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 16546 states and 17566 transitions. [2021-10-28 23:49:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2021-10-28 23:49:56,656 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:49:56,657 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:49:56,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:49:56,658 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:49:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:49:56,659 INFO L85 PathProgramCache]: Analyzing trace with hash 121556206, now seen corresponding path program 1 times [2021-10-28 23:49:56,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:49:56,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641721369] [2021-10-28 23:49:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:49:56,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:49:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:49:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-10-28 23:49:57,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:49:57,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641721369] [2021-10-28 23:49:57,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641721369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:49:57,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:49:57,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:49:57,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828619746] [2021-10-28 23:49:57,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:49:57,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:49:57,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:49:57,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:49:57,158 INFO L87 Difference]: Start difference. First operand 16546 states and 17566 transitions. Second operand has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:00,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:50:00,234 INFO L93 Difference]: Finished difference Result 42412 states and 45107 transitions. [2021-10-28 23:50:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:50:00,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 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 786 [2021-10-28 23:50:00,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:50:00,269 INFO L225 Difference]: With dead ends: 42412 [2021-10-28 23:50:00,269 INFO L226 Difference]: Without dead ends: 25569 [2021-10-28 23:50:00,281 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:50:00,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25569 states. [2021-10-28 23:50:00,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25569 to 20743. [2021-10-28 23:50:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20743 states, 20742 states have (on average 1.0642657410085816) internal successors, (22075), 20742 states have internal predecessors, (22075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20743 states to 20743 states and 22075 transitions. [2021-10-28 23:50:00,596 INFO L78 Accepts]: Start accepts. Automaton has 20743 states and 22075 transitions. Word has length 786 [2021-10-28 23:50:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:50:00,597 INFO L470 AbstractCegarLoop]: Abstraction has 20743 states and 22075 transitions. [2021-10-28 23:50:00,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 20743 states and 22075 transitions. [2021-10-28 23:50:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2021-10-28 23:50:00,635 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:50:00,636 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:50:00,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:50:00,637 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:50:00,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:50:00,638 INFO L85 PathProgramCache]: Analyzing trace with hash -573544043, now seen corresponding path program 1 times [2021-10-28 23:50:00,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:50:00,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673741399] [2021-10-28 23:50:00,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:50:00,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:50:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:50:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-10-28 23:50:01,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:50:01,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673741399] [2021-10-28 23:50:01,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673741399] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:50:01,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:50:01,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:50:01,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520815171] [2021-10-28 23:50:01,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:50:01,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:50:01,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:50:01,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:50:01,267 INFO L87 Difference]: Start difference. First operand 20743 states and 22075 transitions. Second operand has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:03,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:50:03,894 INFO L93 Difference]: Finished difference Result 50759 states and 53900 transitions. [2021-10-28 23:50:03,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:50:03,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 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 924 [2021-10-28 23:50:03,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:50:03,935 INFO L225 Difference]: With dead ends: 50759 [2021-10-28 23:50:03,935 INFO L226 Difference]: Without dead ends: 30018 [2021-10-28 23:50:03,950 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:50:03,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30018 states. [2021-10-28 23:50:04,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30018 to 24328. [2021-10-28 23:50:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 24327 states have (on average 1.0583302503391294) internal successors, (25746), 24327 states have internal predecessors, (25746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 25746 transitions. [2021-10-28 23:50:04,431 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 25746 transitions. Word has length 924 [2021-10-28 23:50:04,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:50:04,432 INFO L470 AbstractCegarLoop]: Abstraction has 24328 states and 25746 transitions. [2021-10-28 23:50:04,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 25746 transitions. [2021-10-28 23:50:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1004 [2021-10-28 23:50:04,467 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:50:04,468 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:50:04,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 23:50:04,468 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:50:04,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:50:04,469 INFO L85 PathProgramCache]: Analyzing trace with hash 11634868, now seen corresponding path program 1 times [2021-10-28 23:50:04,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:50:04,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938102749] [2021-10-28 23:50:04,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:50:04,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:50:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:50:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1762 backedges. 1152 proven. 457 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-10-28 23:50:05,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:50:05,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938102749] [2021-10-28 23:50:05,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938102749] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:50:05,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558190386] [2021-10-28 23:50:05,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:50:05,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:50:05,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:50:05,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:50:05,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:50:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:50:06,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:50:06,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:50:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1762 backedges. 1334 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-10-28 23:50:09,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558190386] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:50:09,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:50:09,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-10-28 23:50:09,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686023688] [2021-10-28 23:50:09,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:50:09,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:50:09,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:50:09,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:50:09,092 INFO L87 Difference]: Start difference. First operand 24328 states and 25746 transitions. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:10,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:50:10,606 INFO L93 Difference]: Finished difference Result 48352 states and 51147 transitions. [2021-10-28 23:50:10,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:50:10,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 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 1003 [2021-10-28 23:50:10,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:50:10,632 INFO L225 Difference]: With dead ends: 48352 [2021-10-28 23:50:10,632 INFO L226 Difference]: Without dead ends: 24026 [2021-10-28 23:50:10,644 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1008 GetRequests, 1004 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:50:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24026 states. [2021-10-28 23:50:11,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24026 to 24026. [2021-10-28 23:50:11,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24026 states, 24025 states have (on average 1.0400832466181062) internal successors, (24988), 24025 states have internal predecessors, (24988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24026 states to 24026 states and 24988 transitions. [2021-10-28 23:50:11,072 INFO L78 Accepts]: Start accepts. Automaton has 24026 states and 24988 transitions. Word has length 1003 [2021-10-28 23:50:11,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:50:11,073 INFO L470 AbstractCegarLoop]: Abstraction has 24026 states and 24988 transitions. [2021-10-28 23:50:11,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 24026 states and 24988 transitions. [2021-10-28 23:50:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2021-10-28 23:50:11,103 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:50:11,104 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:50:11,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:50:11,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:50:11,318 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:50:11,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:50:11,318 INFO L85 PathProgramCache]: Analyzing trace with hash 812749798, now seen corresponding path program 1 times [2021-10-28 23:50:11,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:50:11,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887066488] [2021-10-28 23:50:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:50:11,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:50:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:50:12,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 1296 proven. 41 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-10-28 23:50:12,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:50:12,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887066488] [2021-10-28 23:50:12,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887066488] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:50:12,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020394341] [2021-10-28 23:50:12,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:50:12,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:50:12,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:50:12,013 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:50:12,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 23:50:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:50:13,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:50:13,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:50:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 793 proven. 46 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2021-10-28 23:50:16,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020394341] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:50:16,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:50:16,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2021-10-28 23:50:16,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376254440] [2021-10-28 23:50:16,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:50:16,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:50:16,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:50:16,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:50:16,544 INFO L87 Difference]: Start difference. First operand 24026 states and 24988 transitions. Second operand has 8 states, 8 states have (on average 133.625) internal successors, (1069), 8 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:26,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:50:26,820 INFO L93 Difference]: Finished difference Result 55512 states and 57703 transitions. [2021-10-28 23:50:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-28 23:50:26,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 133.625) internal successors, (1069), 8 states have internal predecessors, (1069), 0 states have call successors, (0), 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 1032 [2021-10-28 23:50:26,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:50:26,854 INFO L225 Difference]: With dead ends: 55512 [2021-10-28 23:50:26,854 INFO L226 Difference]: Without dead ends: 31189 [2021-10-28 23:50:26,868 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1067 GetRequests, 1046 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2021-10-28 23:50:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31189 states. [2021-10-28 23:50:27,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31189 to 24321. [2021-10-28 23:50:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24321 states, 24320 states have (on average 1.0391858552631579) internal successors, (25273), 24320 states have internal predecessors, (25273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24321 states to 24321 states and 25273 transitions. [2021-10-28 23:50:27,282 INFO L78 Accepts]: Start accepts. Automaton has 24321 states and 25273 transitions. Word has length 1032 [2021-10-28 23:50:27,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:50:27,283 INFO L470 AbstractCegarLoop]: Abstraction has 24321 states and 25273 transitions. [2021-10-28 23:50:27,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 133.625) internal successors, (1069), 8 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:27,284 INFO L276 IsEmpty]: Start isEmpty. Operand 24321 states and 25273 transitions. [2021-10-28 23:50:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1068 [2021-10-28 23:50:27,318 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:50:27,319 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:50:27,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:50:27,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:50:27,545 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:50:27,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:50:27,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1094124581, now seen corresponding path program 1 times [2021-10-28 23:50:27,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:50:27,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934335059] [2021-10-28 23:50:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:50:27,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:50:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:50:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 1484 proven. 336 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-10-28 23:50:28,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:50:28,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934335059] [2021-10-28 23:50:28,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934335059] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:50:28,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876731855] [2021-10-28 23:50:28,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:50:28,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:50:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:50:28,201 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:50:28,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:50:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:50:30,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:50:30,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:50:35,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 995 proven. 0 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2021-10-28 23:50:35,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876731855] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:50:35,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:50:35,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-10-28 23:50:35,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950248504] [2021-10-28 23:50:35,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:50:35,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:50:35,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:50:35,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:50:35,688 INFO L87 Difference]: Start difference. First operand 24321 states and 25273 transitions. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:39,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:50:39,794 INFO L93 Difference]: Finished difference Result 56754 states and 59012 transitions. [2021-10-28 23:50:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:50:39,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 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 1067 [2021-10-28 23:50:39,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:50:39,796 INFO L225 Difference]: With dead ends: 56754 [2021-10-28 23:50:39,796 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:50:39,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1071 GetRequests, 1067 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:50:39,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:50:39,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:50:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:50:39,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1067 [2021-10-28 23:50:39,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:50:39,810 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:50:39,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:50:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:50:39,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:50:39,813 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:50:39,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:50:40,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:50:40,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:50:40,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:50:40,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:50:41,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:50:42,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:50:49,957 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,957 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,957 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,957 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,958 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,958 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,958 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-10-28 23:50:49,958 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-10-28 23:50:49,958 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,959 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,959 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,959 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 23:50:49,959 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,959 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,960 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,960 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,960 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,960 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 23:50:49,960 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,960 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,961 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 23:50:49,961 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 23:50:49,961 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,961 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,961 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,962 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,962 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 23:50:49,962 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,962 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 23:50:49,962 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 23:50:49,963 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,963 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,963 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 23:50:49,963 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 23:50:49,963 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,963 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,964 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,964 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,964 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,964 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 23:50:49,964 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,965 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,965 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,965 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,965 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,965 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,966 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 23:50:49,966 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,966 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,966 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,966 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,966 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,967 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,967 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 23:50:49,967 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,967 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,968 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,968 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,968 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,968 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,968 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 23:50:49,968 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,969 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,969 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,969 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,969 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-10-28 23:50:49,969 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-10-28 23:50:49,970 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,970 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,970 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,970 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,970 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 23:50:49,970 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,971 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,971 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,971 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,971 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,971 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,972 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 23:50:49,972 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,972 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 23:50:49,972 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 23:50:49,972 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 23:50:49,973 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 23:50:49,973 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,973 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,973 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,973 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,973 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,974 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,974 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,974 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,974 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 23:50:49,974 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:50:49,975 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2021-10-28 23:50:49,975 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,975 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,975 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,975 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,976 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,976 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 23:50:49,976 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,976 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 23:50:49,976 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 23:50:49,976 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-10-28 23:50:49,977 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-10-28 23:50:49,977 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 23:50:49,977 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 23:50:49,977 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,977 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,978 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,978 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,978 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-10-28 23:50:49,978 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-10-28 23:50:49,978 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,979 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 23:50:49,979 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,979 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,979 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,979 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,979 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,980 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,980 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 23:50:49,980 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,980 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,980 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,981 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,981 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,981 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 23:50:49,981 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 23:50:49,981 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,982 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 23:50:49,982 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-10-28 23:50:49,982 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-10-28 23:50:49,982 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,982 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-10-28 23:50:49,982 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-10-28 23:50:49,983 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,983 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,983 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,983 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,983 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 23:50:49,984 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,984 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,984 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,984 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,984 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 23:50:49,984 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 23:50:49,985 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,985 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 23:50:49,985 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,985 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,985 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,986 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,986 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,986 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,986 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 23:50:49,986 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,987 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,987 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,987 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,987 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,987 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,987 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,988 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 23:50:49,988 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,988 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,988 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,988 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,989 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,989 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 23:50:49,989 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,989 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,989 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,989 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,990 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,990 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,990 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,990 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:50:49,990 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,991 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-10-28 23:50:49,991 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-10-28 23:50:49,991 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,991 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,991 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 23:50:49,992 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,992 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,992 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,992 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,992 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,992 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 23:50:49,993 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,993 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,993 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,993 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,993 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,994 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 23:50:49,994 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,994 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,994 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-10-28 23:50:49,994 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,994 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 23:50:49,995 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 23:50:49,995 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,995 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,995 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,995 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,996 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,996 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 23:50:49,996 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 23:50:49,996 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,996 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 23:50:49,997 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 23:50:49,997 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,997 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,997 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,997 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,997 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,998 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-10-28 23:50:49,998 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-10-28 23:50:49,998 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 23:50:49,998 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 23:50:49,998 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,999 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:49,999 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-10-28 23:50:49,999 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 23:50:49,999 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 23:50:49,999 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,000 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-10-28 23:50:50,000 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,000 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,000 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,000 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,000 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-10-28 23:50:50,001 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-10-28 23:50:50,001 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 23:50:50,001 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,001 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 23:50:50,001 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,002 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,002 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,002 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,002 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,002 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,003 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,003 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,003 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 23:50:50,003 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 23:50:50,003 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-10-28 23:50:50,004 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-10-28 23:50:50,004 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,004 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,004 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,004 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,005 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse16 (+ ~a0~0 61))) (let ((.cse4 (<= 4 ~a2~0)) (.cse15 (<= 0 (+ 143 ~a0~0))) (.cse6 (<= 0 (+ 142 ~a29~0))) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse9 (= 3 ~a2~0)) (.cse0 (< 0 (+ ~a4~0 86))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse14 (<= (+ ~a29~0 18) 0)) (.cse8 (<= 44 ~a29~0)) (.cse7 (<= .cse16 0)) (.cse2 (<= 5 ~a2~0)) (.cse13 (<= (+ 89 ~a4~0) 0)) (.cse10 (= ~a2~0 1)) (.cse5 (= 2 ~a2~0)) (.cse11 (<= (+ ~a29~0 127) 0)) (.cse12 (< (div (+ 599998 ~a29~0) (- 299928)) 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6 .cse7) (and .cse8 .cse2) (and .cse6 .cse9) (and .cse10 .cse11) (and .cse0 .cse1 .cse4 .cse12) (and .cse13 .cse14 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse4) (and .cse0 .cse3 .cse2 .cse6) (and .cse15 .cse14 .cse4 .cse6) (and .cse0 .cse1 .cse5 .cse7) (and .cse10 .cse7) (and .cse5 .cse8) (and .cse0 .cse10) (and .cse15 .cse2 .cse6) (and .cse13 .cse3 .cse7) (and .cse13 .cse9) (and .cse9 .cse7) (and .cse0 .cse1 .cse5 .cse14 .cse12) (and .cse8 .cse13 .cse7) (and .cse13 .cse2) (and .cse5 .cse13 .cse12) (and .cse13 .cse10) (and (< 0 .cse16) .cse5 .cse11 .cse12)))) [2021-10-28 23:50:50,005 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 23:50:50,005 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 23:50:50,006 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,006 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,006 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,006 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,006 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,006 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,007 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,007 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 23:50:50,007 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,007 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 23:50:50,007 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-10-28 23:50:50,008 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,008 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-10-28 23:50:50,008 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-10-28 23:50:50,008 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 23:50:50,008 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 23:50:50,009 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,009 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,009 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,009 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,009 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,009 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 23:50:50,010 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 23:50:50,010 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,010 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-10-28 23:50:50,010 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-10-28 23:50:50,010 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,011 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,011 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:50:50,011 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,011 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,011 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,011 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,012 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse16 (+ ~a0~0 61))) (let ((.cse4 (<= 4 ~a2~0)) (.cse15 (<= 0 (+ 143 ~a0~0))) (.cse6 (<= 0 (+ 142 ~a29~0))) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse9 (= 3 ~a2~0)) (.cse0 (< 0 (+ ~a4~0 86))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse14 (<= (+ ~a29~0 18) 0)) (.cse8 (<= 44 ~a29~0)) (.cse7 (<= .cse16 0)) (.cse2 (<= 5 ~a2~0)) (.cse13 (<= (+ 89 ~a4~0) 0)) (.cse10 (= ~a2~0 1)) (.cse5 (= 2 ~a2~0)) (.cse11 (<= (+ ~a29~0 127) 0)) (.cse12 (< (div (+ 599998 ~a29~0) (- 299928)) 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6 .cse7) (and .cse8 .cse2) (and .cse6 .cse9) (and .cse10 .cse11) (and .cse0 .cse1 .cse4 .cse12) (and .cse13 .cse14 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse4) (and .cse0 .cse3 .cse2 .cse6) (and .cse15 .cse14 .cse4 .cse6) (and .cse0 .cse1 .cse5 .cse7) (and .cse10 .cse7) (and .cse5 .cse8) (and .cse0 .cse10) (and .cse15 .cse2 .cse6) (and .cse13 .cse3 .cse7) (and .cse13 .cse9) (and .cse9 .cse7) (and .cse0 .cse1 .cse5 .cse14 .cse12) (and .cse8 .cse13 .cse7) (and .cse13 .cse2) (and .cse5 .cse13 .cse12) (and .cse13 .cse10) (and (< 0 .cse16) .cse5 .cse11 .cse12)))) [2021-10-28 23:50:50,012 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,012 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 23:50:50,013 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 23:50:50,013 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,013 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,013 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,013 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,013 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,014 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,014 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 23:50:50,014 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 23:50:50,014 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,014 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,015 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-10-28 23:50:50,015 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,015 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,015 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,015 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,015 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,016 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,016 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 23:50:50,016 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 23:50:50,016 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,016 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,016 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,017 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,017 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,017 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,017 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 23:50:50,017 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,018 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 23:50:50,018 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,018 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,018 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,018 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,018 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,019 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,019 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,019 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 23:50:50,019 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 23:50:50,019 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,020 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,020 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,020 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,020 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,020 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,020 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,021 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 23:50:50,021 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 23:50:50,021 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,021 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,021 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,022 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,022 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,022 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,022 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,022 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-10-28 23:50:50,023 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-10-28 23:50:50,023 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,023 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 23:50:50,023 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 23:50:50,023 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,023 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,024 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,024 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,024 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,024 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,025 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse16 (+ ~a0~0 61))) (let ((.cse4 (<= 4 ~a2~0)) (.cse15 (<= 0 (+ 143 ~a0~0))) (.cse6 (<= 0 (+ 142 ~a29~0))) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse9 (= 3 ~a2~0)) (.cse0 (< 0 (+ ~a4~0 86))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse14 (<= (+ ~a29~0 18) 0)) (.cse8 (<= 44 ~a29~0)) (.cse7 (<= .cse16 0)) (.cse2 (<= 5 ~a2~0)) (.cse13 (<= (+ 89 ~a4~0) 0)) (.cse10 (= ~a2~0 1)) (.cse5 (= 2 ~a2~0)) (.cse11 (<= (+ ~a29~0 127) 0)) (.cse12 (< (div (+ 599998 ~a29~0) (- 299928)) 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6 .cse7) (and .cse8 .cse2) (and .cse6 .cse9) (and .cse10 .cse11) (and .cse0 .cse1 .cse4 .cse12) (and .cse13 .cse14 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse4) (and .cse0 .cse3 .cse2 .cse6) (and .cse15 .cse14 .cse4 .cse6) (and .cse0 .cse1 .cse5 .cse7) (and .cse10 .cse7) (and .cse5 .cse8) (and .cse0 .cse10) (and .cse15 .cse2 .cse6) (and .cse13 .cse3 .cse7) (and .cse13 .cse9) (and .cse9 .cse7) (and .cse0 .cse1 .cse5 .cse14 .cse12) (and .cse8 .cse13 .cse7) (and .cse13 .cse2) (and .cse5 .cse13 .cse12) (and .cse13 .cse10) (and (< 0 .cse16) .cse5 .cse11 .cse12)))) [2021-10-28 23:50:50,025 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 23:50:50,025 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 23:50:50,025 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,025 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,026 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,026 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,026 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,026 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,026 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,027 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,027 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 23:50:50,027 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 23:50:50,027 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,027 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 23:50:50,028 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 23:50:50,028 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,028 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,028 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,028 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,028 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,029 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-10-28 23:50:50,029 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:50:50,029 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 23:50:50,029 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,029 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,030 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,030 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,030 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-10-28 23:50:50,030 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-10-28 23:50:50,030 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 23:50:50,030 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,031 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 23:50:50,031 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 23:50:50,031 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,031 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,031 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,032 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,032 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,032 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,032 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,032 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 23:50:50,033 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-10-28 23:50:50,033 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,033 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,033 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,033 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 23:50:50,033 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,034 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,034 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-10-28 23:50:50,034 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,034 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,034 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,035 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,035 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,035 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,035 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,035 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-10-28 23:50:50,035 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-10-28 23:50:50,036 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,036 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 23:50:50,036 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,036 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 23:50:50,036 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,037 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 23:50:50,037 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-10-28 23:50:50,041 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:50:50,043 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:50:50,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:50:50 BoogieIcfgContainer [2021-10-28 23:50:50,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:50:50,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:50:50,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:50:50,076 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:50:50,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:56" (3/4) ... [2021-10-28 23:50:50,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:50:50,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:50:50,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:50:50,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:50:50,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:50:50,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:50:50,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:50:50,507 INFO L168 Benchmark]: Toolchain (without parser) took 119855.81 ms. Allocated memory was 111.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 64.3 MB in the beginning and 274.9 MB in the end (delta: -210.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-10-28 23:50:50,507 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 111.1 MB. Free memory was 85.9 MB in the beginning and 85.8 MB in the end (delta: 69.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:50:50,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1441.68 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 64.1 MB in the beginning and 71.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:50:50,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 277.34 ms. Allocated memory is still 134.2 MB. Free memory was 71.7 MB in the beginning and 66.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:50:50,509 INFO L168 Benchmark]: Boogie Preprocessor took 338.73 ms. Allocated memory is still 134.2 MB. Free memory was 66.0 MB in the beginning and 68.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:50:50,510 INFO L168 Benchmark]: RCFGBuilder took 3661.90 ms. Allocated memory was 134.2 MB in the beginning and 228.6 MB in the end (delta: 94.4 MB). Free memory was 68.1 MB in the beginning and 150.5 MB in the end (delta: -82.4 MB). Peak memory consumption was 74.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:50:50,511 INFO L168 Benchmark]: TraceAbstraction took 113696.03 ms. Allocated memory was 228.6 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 149.4 MB in the beginning and 316.8 MB in the end (delta: -167.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-10-28 23:50:50,511 INFO L168 Benchmark]: Witness Printer took 429.42 ms. Allocated memory is still 1.4 GB. Free memory was 316.8 MB in the beginning and 274.9 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:50:50,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 111.1 MB. Free memory was 85.9 MB in the beginning and 85.8 MB in the end (delta: 69.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1441.68 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 64.1 MB in the beginning and 71.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 277.34 ms. Allocated memory is still 134.2 MB. Free memory was 71.7 MB in the beginning and 66.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 338.73 ms. Allocated memory is still 134.2 MB. Free memory was 66.0 MB in the beginning and 68.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3661.90 ms. Allocated memory was 134.2 MB in the beginning and 228.6 MB in the end (delta: 94.4 MB). Free memory was 68.1 MB in the beginning and 150.5 MB in the end (delta: -82.4 MB). Peak memory consumption was 74.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 113696.03 ms. Allocated memory was 228.6 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 149.4 MB in the beginning and 316.8 MB in the end (delta: -167.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 429.42 ms. Allocated memory is still 1.4 GB. Free memory was 316.8 MB in the beginning and 274.9 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 161]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 113.5s, OverallIterations: 20, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 63.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6453 SDtfs, 8829 SDslu, 1096 SDs, 0 SdLazy, 34659 SolverSat, 4657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5635 GetRequests, 5568 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24328occurred in iteration=17, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 37942 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 394 NumberOfFragments, 1063 HoareAnnotationTreeSize, 4 FomulaSimplifications, 166369 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 34165 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 16731 NumberOfCodeBlocks, 16731 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 16704 ConstructedInterpolants, 46 QuantifiedInterpolants, 58436 SizeOfPredicates, 4 NumberOfNonLiveVariables, 6743 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 27 InterpolantComputations, 18 PerfectInterpolantSequences, 23116/24191 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) || (((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 146 + a0) && 4 <= a2)) || ((((0 < a4 + 86 && 2 == a2) && 0 <= 146 + a0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (44 <= a29 && 5 <= a2)) || (0 <= 142 + a29 && 3 == a2)) || (a2 == 1 && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 4 <= a2) && (599998 + a29) / -299928 < 1)) || ((89 + a4 <= 0 && a29 + 18 <= 0) && a0 + 61 <= 0)) || (0 <= 97 + a0 && 4 <= a2)) || (((0 < a4 + 86 && 0 <= 146 + a0) && 5 <= a2) && 0 <= 142 + a29)) || (((0 <= 143 + a0 && a29 + 18 <= 0) && 4 <= a2) && 0 <= 142 + a29)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 61 <= 0)) || (a2 == 1 && a0 + 61 <= 0)) || (2 == a2 && 44 <= a29)) || (0 < a4 + 86 && a2 == 1)) || ((0 <= 143 + a0 && 5 <= a2) && 0 <= 142 + a29)) || ((89 + a4 <= 0 && 0 <= 146 + a0) && a0 + 61 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (3 == a2 && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 18 <= 0) && (599998 + a29) / -299928 < 1)) || ((44 <= a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (89 + a4 <= 0 && 5 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && (599998 + a29) / -299928 < 1)) || (89 + a4 <= 0 && a2 == 1)) || (((0 < a0 + 61 && 2 == a2) && a29 + 127 <= 0) && (599998 + a29) / -299928 < 1) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) || (((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 146 + a0) && 4 <= a2)) || ((((0 < a4 + 86 && 2 == a2) && 0 <= 146 + a0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (44 <= a29 && 5 <= a2)) || (0 <= 142 + a29 && 3 == a2)) || (a2 == 1 && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 4 <= a2) && (599998 + a29) / -299928 < 1)) || ((89 + a4 <= 0 && a29 + 18 <= 0) && a0 + 61 <= 0)) || (0 <= 97 + a0 && 4 <= a2)) || (((0 < a4 + 86 && 0 <= 146 + a0) && 5 <= a2) && 0 <= 142 + a29)) || (((0 <= 143 + a0 && a29 + 18 <= 0) && 4 <= a2) && 0 <= 142 + a29)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 61 <= 0)) || (a2 == 1 && a0 + 61 <= 0)) || (2 == a2 && 44 <= a29)) || (0 < a4 + 86 && a2 == 1)) || ((0 <= 143 + a0 && 5 <= a2) && 0 <= 142 + a29)) || ((89 + a4 <= 0 && 0 <= 146 + a0) && a0 + 61 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (3 == a2 && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 18 <= 0) && (599998 + a29) / -299928 < 1)) || ((44 <= a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (89 + a4 <= 0 && 5 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && (599998 + a29) / -299928 < 1)) || (89 + a4 <= 0 && a2 == 1)) || (((0 < a0 + 61 && 2 == a2) && a29 + 127 <= 0) && (599998 + a29) / -299928 < 1) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) || (((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 146 + a0) && 4 <= a2)) || ((((0 < a4 + 86 && 2 == a2) && 0 <= 146 + a0) && 0 <= 142 + a29) && a0 + 61 <= 0)) || (44 <= a29 && 5 <= a2)) || (0 <= 142 + a29 && 3 == a2)) || (a2 == 1 && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 4 <= a2) && (599998 + a29) / -299928 < 1)) || ((89 + a4 <= 0 && a29 + 18 <= 0) && a0 + 61 <= 0)) || (0 <= 97 + a0 && 4 <= a2)) || (((0 < a4 + 86 && 0 <= 146 + a0) && 5 <= a2) && 0 <= 142 + a29)) || (((0 <= 143 + a0 && a29 + 18 <= 0) && 4 <= a2) && 0 <= 142 + a29)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 61 <= 0)) || (a2 == 1 && a0 + 61 <= 0)) || (2 == a2 && 44 <= a29)) || (0 < a4 + 86 && a2 == 1)) || ((0 <= 143 + a0 && 5 <= a2) && 0 <= 142 + a29)) || ((89 + a4 <= 0 && 0 <= 146 + a0) && a0 + 61 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || (3 == a2 && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 18 <= 0) && (599998 + a29) / -299928 < 1)) || ((44 <= a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (89 + a4 <= 0 && 5 <= a2)) || ((2 == a2 && 89 + a4 <= 0) && (599998 + a29) / -299928 < 1)) || (89 + a4 <= 0 && a2 == 1)) || (((0 < a0 + 61 && 2 == a2) && a29 + 127 <= 0) && (599998 + a29) / -299928 < 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:50:50,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb90bf8-c472-4f65-a8a7-2c2b88e076cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...