./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be --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 1108eeb4bd20019b014e3c74d7da568cbd9d144764ba0dc8eabd0c3ee1f98907 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:14:46,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:14:46,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:14:46,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:14:46,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:14:46,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:14:46,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:14:46,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:14:46,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:14:46,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:14:46,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:14:46,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:14:46,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:14:46,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:14:46,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:14:46,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:14:46,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:14:46,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:14:46,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:14:46,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:14:46,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:14:46,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:14:46,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:14:46,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:14:46,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:14:46,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:14:46,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:14:46,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:14:46,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:14:46,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:14:46,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:14:46,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:14:46,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:14:46,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:14:46,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:14:46,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:14:46,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:14:46,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:14:46,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:14:46,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:14:46,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:14:46,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:14:46,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:14:46,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:14:46,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:14:46,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:14:46,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:14:46,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:14:46,685 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:14:46,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:14:46,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:14:46,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:14:46,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:14:46,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:14:46,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:14:46,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:14:46,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:14:46,689 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:14:46,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:14:46,690 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:14:46,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:14:46,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:14:46,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:14:46,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:14:46,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:46,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:14:46,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:14:46,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:14:46,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:14:46,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:14:46,693 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:14:46,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:14:46,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:14:46,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:14:46,696 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_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1108eeb4bd20019b014e3c74d7da568cbd9d144764ba0dc8eabd0c3ee1f98907 [2021-10-21 19:14:47,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:14:47,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:14:47,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:14:47,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:14:47,075 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:14:47,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-21 19:14:47,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/data/5bff8025a/6300fe4b70124b1aaeaaaa39b5cf8ea8/FLAGba5a93c5c [2021-10-21 19:14:47,953 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:14:47,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-21 19:14:47,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/data/5bff8025a/6300fe4b70124b1aaeaaaa39b5cf8ea8/FLAGba5a93c5c [2021-10-21 19:14:48,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/data/5bff8025a/6300fe4b70124b1aaeaaaa39b5cf8ea8 [2021-10-21 19:14:48,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:14:48,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:14:48,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:48,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:14:48,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:14:48,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:48" (1/1) ... [2021-10-21 19:14:48,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1261469b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:48, skipping insertion in model container [2021-10-21 19:14:48,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:48" (1/1) ... [2021-10-21 19:14:48,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:14:48,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:14:48,512 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_10cdace4-e701-46fa-b091-e998ba8b2416/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-21 19:14:48,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:48,972 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:14:49,007 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_10cdace4-e701-46fa-b091-e998ba8b2416/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-21 19:14:49,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:49,179 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:14:49,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49 WrapperNode [2021-10-21 19:14:49,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:49,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:49,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:14:49,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:14:49,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:49,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:14:49,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:14:49,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:14:49,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:14:49,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:14:49,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:14:49,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:14:49,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (1/1) ... [2021-10-21 19:14:49,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:49,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:49,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:49,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:14:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:14:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:14:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:14:49,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:14:51,742 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:14:51,743 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:14:51,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:51 BoogieIcfgContainer [2021-10-21 19:14:51,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:14:51,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:14:51,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:14:51,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:14:51,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:14:48" (1/3) ... [2021-10-21 19:14:51,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15380ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:51, skipping insertion in model container [2021-10-21 19:14:51,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:49" (2/3) ... [2021-10-21 19:14:51,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15380ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:51, skipping insertion in model container [2021-10-21 19:14:51,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:51" (3/3) ... [2021-10-21 19:14:51,760 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2021-10-21 19:14:51,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:14:51,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:14:51,825 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:14:51,833 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 [2021-10-21 19:14:51,833 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:14:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-21 19:14:51,873 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:51,874 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:51,874 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:51,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:51,881 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2021-10-21 19:14:51,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:51,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781216056] [2021-10-21 19:14:51,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:51,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:52,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:52,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781216056] [2021-10-21 19:14:52,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781216056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:52,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:52,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:52,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590408218] [2021-10-21 19:14:52,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:52,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:52,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:52,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:52,343 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:54,038 INFO L93 Difference]: Finished difference Result 763 states and 1352 transitions. [2021-10-21 19:14:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:54,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2021-10-21 19:14:54,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:54,060 INFO L225 Difference]: With dead ends: 763 [2021-10-21 19:14:54,060 INFO L226 Difference]: Without dead ends: 416 [2021-10-21 19:14:54,065 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:54,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-10-21 19:14:54,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2021-10-21 19:14:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 407 states have (on average 1.6142506142506143) internal successors, (657), 407 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2021-10-21 19:14:54,135 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 53 [2021-10-21 19:14:54,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:54,136 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2021-10-21 19:14:54,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2021-10-21 19:14:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-21 19:14:54,143 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:54,144 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:54,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:14:54,152 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:54,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:54,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1781773818, now seen corresponding path program 1 times [2021-10-21 19:14:54,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:54,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439687024] [2021-10-21 19:14:54,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:54,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:54,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:54,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439687024] [2021-10-21 19:14:54,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439687024] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:54,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:54,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:54,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588787712] [2021-10-21 19:14:54,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:54,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:54,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:54,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:54,362 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:55,647 INFO L93 Difference]: Finished difference Result 1191 states and 1930 transitions. [2021-10-21 19:14:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:55,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2021-10-21 19:14:55,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:55,655 INFO L225 Difference]: With dead ends: 1191 [2021-10-21 19:14:55,656 INFO L226 Difference]: Without dead ends: 785 [2021-10-21 19:14:55,658 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2021-10-21 19:14:55,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 783. [2021-10-21 19:14:55,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.438618925831202) internal successors, (1125), 782 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1125 transitions. [2021-10-21 19:14:55,717 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1125 transitions. Word has length 118 [2021-10-21 19:14:55,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:55,718 INFO L470 AbstractCegarLoop]: Abstraction has 783 states and 1125 transitions. [2021-10-21 19:14:55,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1125 transitions. [2021-10-21 19:14:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-21 19:14:55,733 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:55,734 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:55,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:14:55,734 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:55,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:55,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1565859760, now seen corresponding path program 1 times [2021-10-21 19:14:55,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:55,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000374896] [2021-10-21 19:14:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:55,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:55,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:55,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000374896] [2021-10-21 19:14:55,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000374896] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:55,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:55,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:55,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788346937] [2021-10-21 19:14:55,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:55,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:55,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:55,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:55,939 INFO L87 Difference]: Start difference. First operand 783 states and 1125 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:57,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:57,095 INFO L93 Difference]: Finished difference Result 1948 states and 2801 transitions. [2021-10-21 19:14:57,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:57,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2021-10-21 19:14:57,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:57,105 INFO L225 Difference]: With dead ends: 1948 [2021-10-21 19:14:57,105 INFO L226 Difference]: Without dead ends: 1167 [2021-10-21 19:14:57,107 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:57,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2021-10-21 19:14:57,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1154. [2021-10-21 19:14:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.3391153512575888) internal successors, (1544), 1153 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1544 transitions. [2021-10-21 19:14:57,152 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1544 transitions. Word has length 121 [2021-10-21 19:14:57,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:57,153 INFO L470 AbstractCegarLoop]: Abstraction has 1154 states and 1544 transitions. [2021-10-21 19:14:57,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1544 transitions. [2021-10-21 19:14:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-21 19:14:57,158 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:57,158 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:57,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:14:57,159 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:57,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:57,160 INFO L82 PathProgramCache]: Analyzing trace with hash 234761808, now seen corresponding path program 1 times [2021-10-21 19:14:57,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:57,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980590921] [2021-10-21 19:14:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:57,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:57,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:57,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980590921] [2021-10-21 19:14:57,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980590921] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:57,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:57,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:57,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080456225] [2021-10-21 19:14:57,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:57,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:57,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:57,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:57,384 INFO L87 Difference]: Start difference. First operand 1154 states and 1544 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:58,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:58,426 INFO L93 Difference]: Finished difference Result 2676 states and 3529 transitions. [2021-10-21 19:14:58,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:58,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2021-10-21 19:14:58,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:58,438 INFO L225 Difference]: With dead ends: 2676 [2021-10-21 19:14:58,438 INFO L226 Difference]: Without dead ends: 1524 [2021-10-21 19:14:58,441 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:58,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2021-10-21 19:14:58,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1523. [2021-10-21 19:14:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.268725361366623) internal successors, (1931), 1522 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:58,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1931 transitions. [2021-10-21 19:14:58,489 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1931 transitions. Word has length 122 [2021-10-21 19:14:58,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:58,490 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 1931 transitions. [2021-10-21 19:14:58,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:58,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1931 transitions. [2021-10-21 19:14:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-21 19:14:58,494 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:58,494 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:58,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:14:58,495 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:58,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:58,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1699725549, now seen corresponding path program 1 times [2021-10-21 19:14:58,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:58,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775318081] [2021-10-21 19:14:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:58,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:58,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:58,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775318081] [2021-10-21 19:14:58,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775318081] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:58,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:58,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:58,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145836309] [2021-10-21 19:14:58,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:58,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:58,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:58,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:58,679 INFO L87 Difference]: Start difference. First operand 1523 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:59,695 INFO L93 Difference]: Finished difference Result 3968 states and 5151 transitions. [2021-10-21 19:14:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:59,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2021-10-21 19:14:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:59,714 INFO L225 Difference]: With dead ends: 3968 [2021-10-21 19:14:59,714 INFO L226 Difference]: Without dead ends: 2631 [2021-10-21 19:14:59,717 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:59,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2021-10-21 19:14:59,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2447. [2021-10-21 19:14:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 2446 states have (on average 1.2236304170073589) internal successors, (2993), 2446 states have internal predecessors, (2993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 2993 transitions. [2021-10-21 19:14:59,796 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 2993 transitions. Word has length 180 [2021-10-21 19:14:59,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:59,797 INFO L470 AbstractCegarLoop]: Abstraction has 2447 states and 2993 transitions. [2021-10-21 19:14:59,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2993 transitions. [2021-10-21 19:14:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-10-21 19:14:59,801 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:59,802 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:59,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:14:59,803 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:59,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:59,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1613150643, now seen corresponding path program 1 times [2021-10-21 19:14:59,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:59,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629094534] [2021-10-21 19:14:59,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:59,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-21 19:14:59,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:59,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629094534] [2021-10-21 19:14:59,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629094534] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:59,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:59,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:59,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249815870] [2021-10-21 19:14:59,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:59,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:59,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:59,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:59,989 INFO L87 Difference]: Start difference. First operand 2447 states and 2993 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:00,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:00,983 INFO L93 Difference]: Finished difference Result 5266 states and 6463 transitions. [2021-10-21 19:15:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:00,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 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 196 [2021-10-21 19:15:00,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:01,004 INFO L225 Difference]: With dead ends: 5266 [2021-10-21 19:15:01,004 INFO L226 Difference]: Without dead ends: 3005 [2021-10-21 19:15:01,008 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2021-10-21 19:15:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 2820. [2021-10-21 19:15:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2819 states have (on average 1.2220645619013835) internal successors, (3445), 2819 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 3445 transitions. [2021-10-21 19:15:01,097 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 3445 transitions. Word has length 196 [2021-10-21 19:15:01,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:01,098 INFO L470 AbstractCegarLoop]: Abstraction has 2820 states and 3445 transitions. [2021-10-21 19:15:01,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3445 transitions. [2021-10-21 19:15:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-10-21 19:15:01,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:01,104 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:15:01,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:15:01,105 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:01,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:01,106 INFO L82 PathProgramCache]: Analyzing trace with hash -58400973, now seen corresponding path program 1 times [2021-10-21 19:15:01,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:01,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951626761] [2021-10-21 19:15:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:01,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:15:01,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:01,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951626761] [2021-10-21 19:15:01,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951626761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:01,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:01,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:01,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358355608] [2021-10-21 19:15:01,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:15:01,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:01,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:01,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:01,303 INFO L87 Difference]: Start difference. First operand 2820 states and 3445 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:02,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:02,400 INFO L93 Difference]: Finished difference Result 6567 states and 8101 transitions. [2021-10-21 19:15:02,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:02,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2021-10-21 19:15:02,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:02,443 INFO L225 Difference]: With dead ends: 6567 [2021-10-21 19:15:02,443 INFO L226 Difference]: Without dead ends: 3933 [2021-10-21 19:15:02,448 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:02,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3933 states. [2021-10-21 19:15:02,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3933 to 3556. [2021-10-21 19:15:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3556 states, 3555 states have (on average 1.2115330520393812) internal successors, (4307), 3555 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:02,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 4307 transitions. [2021-10-21 19:15:02,564 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 4307 transitions. Word has length 233 [2021-10-21 19:15:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:02,565 INFO L470 AbstractCegarLoop]: Abstraction has 3556 states and 4307 transitions. [2021-10-21 19:15:02,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4307 transitions. [2021-10-21 19:15:02,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-21 19:15:02,571 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:02,572 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:15:02,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:15:02,572 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:02,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:02,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1422286637, now seen corresponding path program 1 times [2021-10-21 19:15:02,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:02,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91802452] [2021-10-21 19:15:02,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:02,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-21 19:15:02,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:02,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91802452] [2021-10-21 19:15:02,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91802452] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:02,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:02,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:02,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998479220] [2021-10-21 19:15:02,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:15:02,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:02,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:02,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:02,802 INFO L87 Difference]: Start difference. First operand 3556 states and 4307 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:03,965 INFO L93 Difference]: Finished difference Result 9319 states and 11375 transitions. [2021-10-21 19:15:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:03,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2021-10-21 19:15:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:04,004 INFO L225 Difference]: With dead ends: 9319 [2021-10-21 19:15:04,005 INFO L226 Difference]: Without dead ends: 5765 [2021-10-21 19:15:04,011 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:04,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5765 states. [2021-10-21 19:15:04,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5765 to 4844. [2021-10-21 19:15:04,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4844 states, 4843 states have (on average 1.207309518893248) internal successors, (5847), 4843 states have internal predecessors, (5847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4844 states to 4844 states and 5847 transitions. [2021-10-21 19:15:04,156 INFO L78 Accepts]: Start accepts. Automaton has 4844 states and 5847 transitions. Word has length 234 [2021-10-21 19:15:04,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:04,157 INFO L470 AbstractCegarLoop]: Abstraction has 4844 states and 5847 transitions. [2021-10-21 19:15:04,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4844 states and 5847 transitions. [2021-10-21 19:15:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-10-21 19:15:04,168 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:04,168 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:15:04,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:15:04,169 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:04,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:04,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1578805231, now seen corresponding path program 1 times [2021-10-21 19:15:04,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:04,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062902628] [2021-10-21 19:15:04,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:04,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-21 19:15:04,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:04,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062902628] [2021-10-21 19:15:04,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062902628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:04,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:04,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:04,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657201966] [2021-10-21 19:15:04,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:15:04,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:04,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:04,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:04,395 INFO L87 Difference]: Start difference. First operand 4844 states and 5847 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:05,455 INFO L93 Difference]: Finished difference Result 9684 states and 11690 transitions. [2021-10-21 19:15:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:05,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2021-10-21 19:15:05,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:05,488 INFO L225 Difference]: With dead ends: 9684 [2021-10-21 19:15:05,489 INFO L226 Difference]: Without dead ends: 4842 [2021-10-21 19:15:05,500 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:05,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4842 states. [2021-10-21 19:15:05,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4842 to 4658. [2021-10-21 19:15:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4658 states, 4657 states have (on average 1.1541765084818554) internal successors, (5375), 4657 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 4658 states and 5375 transitions. [2021-10-21 19:15:05,711 INFO L78 Accepts]: Start accepts. Automaton has 4658 states and 5375 transitions. Word has length 314 [2021-10-21 19:15:05,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:05,712 INFO L470 AbstractCegarLoop]: Abstraction has 4658 states and 5375 transitions. [2021-10-21 19:15:05,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4658 states and 5375 transitions. [2021-10-21 19:15:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-10-21 19:15:05,724 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:05,725 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:15:05,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:15:05,725 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:05,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:05,726 INFO L82 PathProgramCache]: Analyzing trace with hash 228686210, now seen corresponding path program 1 times [2021-10-21 19:15:05,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:05,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594916950] [2021-10-21 19:15:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:05,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-21 19:15:05,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:05,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594916950] [2021-10-21 19:15:05,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594916950] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:05,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:05,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:15:05,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645659251] [2021-10-21 19:15:05,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:15:05,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:05,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:05,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:05,929 INFO L87 Difference]: Start difference. First operand 4658 states and 5375 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:06,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:06,543 INFO L93 Difference]: Finished difference Result 9310 states and 10744 transitions. [2021-10-21 19:15:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:06,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 [2021-10-21 19:15:06,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:06,574 INFO L225 Difference]: With dead ends: 9310 [2021-10-21 19:15:06,574 INFO L226 Difference]: Without dead ends: 4654 [2021-10-21 19:15:06,581 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:06,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4654 states. [2021-10-21 19:15:06,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4654 to 4654. [2021-10-21 19:15:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4654 states, 4653 states have (on average 1.1532344723834085) internal successors, (5366), 4653 states have internal predecessors, (5366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4654 states to 4654 states and 5366 transitions. [2021-10-21 19:15:06,802 INFO L78 Accepts]: Start accepts. Automaton has 4654 states and 5366 transitions. Word has length 335 [2021-10-21 19:15:06,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:06,803 INFO L470 AbstractCegarLoop]: Abstraction has 4654 states and 5366 transitions. [2021-10-21 19:15:06,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 4654 states and 5366 transitions. [2021-10-21 19:15:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-10-21 19:15:06,816 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:06,817 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:15:06,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:15:06,818 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:06,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:06,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1912311325, now seen corresponding path program 1 times [2021-10-21 19:15:06,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:06,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46559366] [2021-10-21 19:15:06,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:06,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-10-21 19:15:07,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:07,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46559366] [2021-10-21 19:15:07,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46559366] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:07,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:07,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:07,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574092315] [2021-10-21 19:15:07,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:15:07,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:07,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:07,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:07,019 INFO L87 Difference]: Start difference. First operand 4654 states and 5366 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:08,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:08,180 INFO L93 Difference]: Finished difference Result 10412 states and 12095 transitions. [2021-10-21 19:15:08,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:08,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 336 [2021-10-21 19:15:08,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:08,198 INFO L225 Difference]: With dead ends: 10412 [2021-10-21 19:15:08,198 INFO L226 Difference]: Without dead ends: 5760 [2021-10-21 19:15:08,206 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5760 states. [2021-10-21 19:15:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5760 to 5205. [2021-10-21 19:15:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5205 states, 5204 states have (on average 1.1391237509607994) internal successors, (5928), 5204 states have internal predecessors, (5928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 5205 states and 5928 transitions. [2021-10-21 19:15:08,338 INFO L78 Accepts]: Start accepts. Automaton has 5205 states and 5928 transitions. Word has length 336 [2021-10-21 19:15:08,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:08,339 INFO L470 AbstractCegarLoop]: Abstraction has 5205 states and 5928 transitions. [2021-10-21 19:15:08,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5205 states and 5928 transitions. [2021-10-21 19:15:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-10-21 19:15:08,361 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:08,361 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:15:08,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:15:08,362 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:08,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:08,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1289979440, now seen corresponding path program 1 times [2021-10-21 19:15:08,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:08,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3370265] [2021-10-21 19:15:08,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:08,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:08,587 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-10-21 19:15:08,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:08,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3370265] [2021-10-21 19:15:08,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3370265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:08,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:08,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:08,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111821543] [2021-10-21 19:15:08,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:15:08,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:08,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:15:08,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:15:08,591 INFO L87 Difference]: Start difference. First operand 5205 states and 5928 transitions. Second operand has 4 states, 4 states have (on average 85.0) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:10,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:10,383 INFO L93 Difference]: Finished difference Result 14288 states and 16265 transitions. [2021-10-21 19:15:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:15:10,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.0) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 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 390 [2021-10-21 19:15:10,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:10,405 INFO L225 Difference]: With dead ends: 14288 [2021-10-21 19:15:10,405 INFO L226 Difference]: Without dead ends: 9085 [2021-10-21 19:15:10,413 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:15:10,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9085 states. [2021-10-21 19:15:10,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9085 to 8897. [2021-10-21 19:15:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8897 states, 8896 states have (on average 1.1289343525179856) internal successors, (10043), 8896 states have internal predecessors, (10043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8897 states to 8897 states and 10043 transitions. [2021-10-21 19:15:10,605 INFO L78 Accepts]: Start accepts. Automaton has 8897 states and 10043 transitions. Word has length 390 [2021-10-21 19:15:10,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:10,607 INFO L470 AbstractCegarLoop]: Abstraction has 8897 states and 10043 transitions. [2021-10-21 19:15:10,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.0) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 8897 states and 10043 transitions. [2021-10-21 19:15:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-10-21 19:15:10,628 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:10,629 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:15:10,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:15:10,630 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:10,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:10,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1246889041, now seen corresponding path program 1 times [2021-10-21 19:15:10,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:10,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013421942] [2021-10-21 19:15:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:10,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-10-21 19:15:10,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:10,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013421942] [2021-10-21 19:15:10,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013421942] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:10,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:10,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:10,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912301434] [2021-10-21 19:15:10,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:15:10,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:10,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:10,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:10,912 INFO L87 Difference]: Start difference. First operand 8897 states and 10043 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:11,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:11,883 INFO L93 Difference]: Finished difference Result 17419 states and 19680 transitions. [2021-10-21 19:15:11,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:11,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 457 [2021-10-21 19:15:11,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:11,902 INFO L225 Difference]: With dead ends: 17419 [2021-10-21 19:15:11,903 INFO L226 Difference]: Without dead ends: 8894 [2021-10-21 19:15:11,914 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:11,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8894 states. [2021-10-21 19:15:12,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8894 to 8710. [2021-10-21 19:15:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8710 states, 8709 states have (on average 1.112067975657366) internal successors, (9685), 8709 states have internal predecessors, (9685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8710 states to 8710 states and 9685 transitions. [2021-10-21 19:15:12,147 INFO L78 Accepts]: Start accepts. Automaton has 8710 states and 9685 transitions. Word has length 457 [2021-10-21 19:15:12,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:12,148 INFO L470 AbstractCegarLoop]: Abstraction has 8710 states and 9685 transitions. [2021-10-21 19:15:12,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 8710 states and 9685 transitions. [2021-10-21 19:15:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-10-21 19:15:12,172 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:12,173 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 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] [2021-10-21 19:15:12,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:15:12,173 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:12,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:12,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1286763601, now seen corresponding path program 1 times [2021-10-21 19:15:12,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:12,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276016203] [2021-10-21 19:15:12,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:12,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-10-21 19:15:12,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:12,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276016203] [2021-10-21 19:15:12,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276016203] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:12,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:12,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:12,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621964374] [2021-10-21 19:15:12,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:15:12,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:12,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:12,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:12,451 INFO L87 Difference]: Start difference. First operand 8710 states and 9685 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:13,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:13,563 INFO L93 Difference]: Finished difference Result 18707 states and 20955 transitions. [2021-10-21 19:15:13,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:13,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 525 [2021-10-21 19:15:13,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:13,589 INFO L225 Difference]: With dead ends: 18707 [2021-10-21 19:15:13,589 INFO L226 Difference]: Without dead ends: 10367 [2021-10-21 19:15:13,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:13,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10367 states. [2021-10-21 19:15:13,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10367 to 8518. [2021-10-21 19:15:13,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8518 states, 8517 states have (on average 1.1141246917928849) internal successors, (9489), 8517 states have internal predecessors, (9489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8518 states to 8518 states and 9489 transitions. [2021-10-21 19:15:13,822 INFO L78 Accepts]: Start accepts. Automaton has 8518 states and 9489 transitions. Word has length 525 [2021-10-21 19:15:13,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:13,823 INFO L470 AbstractCegarLoop]: Abstraction has 8518 states and 9489 transitions. [2021-10-21 19:15:13,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:13,823 INFO L276 IsEmpty]: Start isEmpty. Operand 8518 states and 9489 transitions. [2021-10-21 19:15:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2021-10-21 19:15:13,849 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:15:13,850 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:15:13,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:15:13,850 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:15:13,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:15:13,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1613412214, now seen corresponding path program 1 times [2021-10-21 19:15:13,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:15:13,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528138945] [2021-10-21 19:15:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:15:13,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:15:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:15:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 930 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-10-21 19:15:14,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:15:14,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528138945] [2021-10-21 19:15:14,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528138945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:15:14,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:15:14,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:15:14,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392859242] [2021-10-21 19:15:14,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:15:14,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:15:14,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:15:14,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:14,170 INFO L87 Difference]: Start difference. First operand 8518 states and 9489 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:15:15,138 INFO L93 Difference]: Finished difference Result 17581 states and 19584 transitions. [2021-10-21 19:15:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:15:15,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 629 [2021-10-21 19:15:15,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:15:15,140 INFO L225 Difference]: With dead ends: 17581 [2021-10-21 19:15:15,140 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:15:15,156 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:15:15,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:15:15,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:15:15,157 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) [2021-10-21 19:15:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:15:15,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2021-10-21 19:15:15,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:15:15,158 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:15:15,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:15:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:15:15,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:15:15,162 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:15:15,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:15:15,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:15:15,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:15:15,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:15:15,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:15:16,244 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-21 19:15:16,244 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,244 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-21 19:15:16,244 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,245 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,245 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,245 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,245 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,245 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,246 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-21 19:15:16,246 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-21 19:15:16,246 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-21 19:15:16,246 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,246 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,247 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,247 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,247 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,247 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,247 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,248 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,248 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,248 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,248 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-21 19:15:16,248 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-21 19:15:16,249 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-21 19:15:16,249 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,249 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-21 19:15:16,249 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-21 19:15:16,249 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,250 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,250 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,250 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,250 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,250 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,251 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-21 19:15:16,251 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-21 19:15:16,251 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-21 19:15:16,251 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,251 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,252 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,252 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse1 (<= ~a23~0 138)) (.cse6 (<= 278 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse3 (<= 0 (+ ~a23~0 42))) (.cse0 (<= 10 ~a25~0)) (.cse9 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 130)) (.cse8 (<= ~a29~0 140)) (.cse5 (= ~a25~0 11)) (.cse7 (<= ~a23~0 312)) (.cse2 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and .cse5 .cse6 .cse7 .cse2) (and .cse8 .cse1 .cse2 .cse3) (and .cse6 .cse9 .cse7 .cse2) (and .cse4 .cse2 .cse3) (and (= ~a25~0 12) .cse2) (and .cse9 .cse7 .cse2 .cse10) (and .cse0 .cse9 .cse2 .cse10) (and .cse8 .cse5 .cse7 .cse2))) [2021-10-21 19:15:16,252 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,252 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-21 19:15:16,253 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-21 19:15:16,253 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,253 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,253 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,253 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,253 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,254 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,254 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-21 19:15:16,254 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-21 19:15:16,254 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-21 19:15:16,254 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-21 19:15:16,255 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,255 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,255 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,255 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,255 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,256 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,256 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,256 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-21 19:15:16,256 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-21 19:15:16,256 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-21 19:15:16,256 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,256 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,257 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,257 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,257 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,257 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,257 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,257 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,258 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,258 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-21 19:15:16,258 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-21 19:15:16,258 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-21 19:15:16,258 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse1 (<= ~a23~0 138)) (.cse6 (<= 278 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse3 (<= 0 (+ ~a23~0 42))) (.cse0 (<= 10 ~a25~0)) (.cse9 (<= ~a25~0 10)) (.cse10 (<= ~a29~0 130)) (.cse8 (<= ~a29~0 140)) (.cse5 (= ~a25~0 11)) (.cse7 (<= ~a23~0 312)) (.cse2 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2) (and .cse5 .cse6 .cse7 .cse2) (and .cse8 .cse1 .cse2 .cse3) (and .cse6 .cse9 .cse7 .cse2) (and .cse4 .cse2 .cse3) (and (= ~a25~0 12) .cse2) (and .cse9 .cse7 .cse2 .cse10) (and .cse0 .cse9 .cse2 .cse10) (and .cse8 .cse5 .cse7 .cse2))) [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,259 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-21 19:15:16,260 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-21 19:15:16,260 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-21 19:15:16,260 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-21 19:15:16,260 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:15:16,260 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-21 19:15:16,260 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:15:16,261 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,261 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,261 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,261 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,261 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,262 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,262 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,262 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,262 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,262 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,262 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:15:16,263 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-21 19:15:16,263 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-21 19:15:16,263 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-21 19:15:16,263 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-21 19:15:16,263 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,264 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,264 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,264 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,264 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,264 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-21 19:15:16,265 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-21 19:15:16,265 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-21 19:15:16,265 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,265 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,265 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,265 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,266 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-21 19:15:16,266 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-21 19:15:16,266 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,266 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,266 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,267 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,267 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,267 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,267 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-21 19:15:16,267 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-21 19:15:16,267 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,268 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,268 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-21 19:15:16,268 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-21 19:15:16,268 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-21 19:15:16,268 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:15:16,269 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2021-10-21 19:15:16,269 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,269 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,269 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,269 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,270 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,270 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,270 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,270 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-21 19:15:16,270 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-21 19:15:16,270 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-21 19:15:16,271 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-21 19:15:16,271 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-21 19:15:16,271 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-21 19:15:16,271 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-21 19:15:16,271 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,272 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,272 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-21 19:15:16,272 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-21 19:15:16,272 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,272 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,273 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,273 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,273 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,273 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-21 19:15:16,273 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-21 19:15:16,273 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-21 19:15:16,274 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,274 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,274 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,274 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,274 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,275 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,275 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-21 19:15:16,275 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-21 19:15:16,275 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-21 19:15:16,275 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,276 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,276 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,276 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,276 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,276 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,276 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,277 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,277 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-21 19:15:16,277 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-21 19:15:16,277 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-21 19:15:16,277 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,278 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,278 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,278 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,278 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,278 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,278 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,279 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,279 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,279 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,279 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,279 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-21 19:15:16,280 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-21 19:15:16,280 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-21 19:15:16,280 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-21 19:15:16,280 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-21 19:15:16,280 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,281 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,281 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,281 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,281 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,281 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,282 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,282 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-21 19:15:16,282 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-21 19:15:16,282 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-21 19:15:16,282 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,282 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,283 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,283 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-21 19:15:16,283 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-21 19:15:16,283 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,283 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,284 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,284 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,284 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,284 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-21 19:15:16,284 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-21 19:15:16,285 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,285 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,285 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-21 19:15:16,285 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-21 19:15:16,285 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,285 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:15:16,286 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,286 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,286 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,286 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,286 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,287 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-21 19:15:16,287 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-21 19:15:16,287 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-21 19:15:16,287 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-21 19:15:16,287 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,288 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,288 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,288 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,288 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,288 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,288 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,289 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,289 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-21 19:15:16,289 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-21 19:15:16,289 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-21 19:15:16,289 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-21 19:15:16,290 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-21 19:15:16,290 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-21 19:15:16,290 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,290 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,290 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,291 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,291 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,291 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,291 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,291 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-21 19:15:16,291 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-21 19:15:16,292 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:15:16,292 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,292 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,292 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,292 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,293 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,293 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,293 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-21 19:15:16,293 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-21 19:15:16,293 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,294 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,294 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,294 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,294 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,294 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,295 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,295 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-21 19:15:16,295 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:15:16,295 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,295 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,295 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-21 19:15:16,296 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-21 19:15:16,296 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-21 19:15:16,296 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-21 19:15:16,301 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:15:16,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:15:16 BoogieIcfgContainer [2021-10-21 19:15:16,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:15:16,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:15:16,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:15:16,328 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:15:16,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:51" (3/4) ... [2021-10-21 19:15:16,332 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:15:16,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:15:16,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:15:16,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:15:16,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:15:16,560 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:15:16,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:15:16,562 INFO L168 Benchmark]: Toolchain (without parser) took 28476.08 ms. Allocated memory was 81.8 MB in the beginning and 396.4 MB in the end (delta: 314.6 MB). Free memory was 46.2 MB in the beginning and 100.2 MB in the end (delta: -54.0 MB). Peak memory consumption was 259.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:16,562 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:15:16,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1085.61 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 46.0 MB in the beginning and 46.3 MB in the end (delta: -276.8 kB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:16,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 217.21 ms. Allocated memory is still 102.8 MB. Free memory was 46.3 MB in the beginning and 65.4 MB in the end (delta: -19.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:16,564 INFO L168 Benchmark]: Boogie Preprocessor took 197.66 ms. Allocated memory is still 102.8 MB. Free memory was 65.4 MB in the beginning and 55.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:16,564 INFO L168 Benchmark]: RCFGBuilder took 2147.65 ms. Allocated memory was 102.8 MB in the beginning and 157.3 MB in the end (delta: 54.5 MB). Free memory was 55.8 MB in the beginning and 106.2 MB in the end (delta: -50.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:16,565 INFO L168 Benchmark]: TraceAbstraction took 24578.72 ms. Allocated memory was 157.3 MB in the beginning and 396.4 MB in the end (delta: 239.1 MB). Free memory was 106.2 MB in the beginning and 124.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 220.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:16,566 INFO L168 Benchmark]: Witness Printer took 232.54 ms. Allocated memory is still 396.4 MB. Free memory was 124.3 MB in the beginning and 100.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:15:16,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1085.61 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 46.0 MB in the beginning and 46.3 MB in the end (delta: -276.8 kB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 217.21 ms. Allocated memory is still 102.8 MB. Free memory was 46.3 MB in the beginning and 65.4 MB in the end (delta: -19.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 197.66 ms. Allocated memory is still 102.8 MB. Free memory was 65.4 MB in the beginning and 55.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2147.65 ms. Allocated memory was 102.8 MB in the beginning and 157.3 MB in the end (delta: 54.5 MB). Free memory was 55.8 MB in the beginning and 106.2 MB in the end (delta: -50.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24578.72 ms. Allocated memory was 157.3 MB in the beginning and 396.4 MB in the end (delta: 239.1 MB). Free memory was 106.2 MB in the beginning and 124.3 MB in the end (delta: -18.1 MB). Peak memory consumption was 220.8 MB. Max. memory is 16.1 GB. * Witness Printer took 232.54 ms. Allocated memory is still 396.4 MB. Free memory was 124.3 MB in the beginning and 100.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 175]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24478.6ms, OverallIterations: 15, TraceHistogramMax: 7, EmptinessCheckTime: 184.3ms, AutomataDifference: 17606.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1080.2ms, InitialAbstractionConstructionTime: 21.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2613 SDtfs, 2283 SDslu, 303 SDs, 0 SdLazy, 8213 SolverSat, 1492 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12944.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8897occurred in iteration=12, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1845.3ms AutomataMinimizationTime, 15 MinimizatonAttempts, 4651 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 115 NumberOfFragments, 251 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3280 FormulaSimplificationTreeSizeReduction, 237.4ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 1704 FormulaSimplificationTreeSizeReductionInter, 832.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 316.4ms SsaConstructionTime, 824.6ms SatisfiabilityAnalysisTime, 2197.8ms InterpolantComputationTime, 4243 NumberOfCodeBlocks, 4243 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4228 ConstructedInterpolants, 0 QuantifiedInterpolants, 7903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 4703/4703 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((10 <= a25 && a23 <= 138) && a8 == 15) && 0 <= a23 + 42) || ((10 <= a25 && a4 == 1) && a8 == 15)) || (((a25 == 11 && 278 <= a29) && a23 <= 312) && a8 == 15)) || (((a29 <= 140 && a23 <= 138) && a8 == 15) && 0 <= a23 + 42)) || (((278 <= a29 && a25 <= 10) && a23 <= 312) && a8 == 15)) || ((a4 == 1 && a8 == 15) && 0 <= a23 + 42)) || (a25 == 12 && a8 == 15)) || (((a25 <= 10 && a23 <= 312) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a25 <= 10) && a8 == 15) && a29 <= 130)) || (((a29 <= 140 && a25 == 11) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((10 <= a25 && a23 <= 138) && a8 == 15) && 0 <= a23 + 42) || ((10 <= a25 && a4 == 1) && a8 == 15)) || (((a25 == 11 && 278 <= a29) && a23 <= 312) && a8 == 15)) || (((a29 <= 140 && a23 <= 138) && a8 == 15) && 0 <= a23 + 42)) || (((278 <= a29 && a25 <= 10) && a23 <= 312) && a8 == 15)) || ((a4 == 1 && a8 == 15) && 0 <= a23 + 42)) || (a25 == 12 && a8 == 15)) || (((a25 <= 10 && a23 <= 312) && a8 == 15) && a29 <= 130)) || (((10 <= a25 && a25 <= 10) && a8 == 15) && a29 <= 130)) || (((a29 <= 140 && a25 == 11) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:15:16,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10cdace4-e701-46fa-b091-e998ba8b2416/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...